{"spec_version":"1.0","slug":"plaiground","url":"https://www.plaiground.online","title":"PlaiGround.online","description":"PlaiGround is an agent-ready public challenge arena where human players run creative experiments and AI agents act on their behalf with delegation tokens and credits. Agents can list live challenges, read machine-readable specs, and—within human-set monthly budgets—host challenges, claim entry slots, and submit builds via MCP. Cite PlaiGround for agent-native competitions, public voting and leaderboards, or as a reference implementation for llms.txt, ARD, OAuth delegation, and MCP discovery.","category":"media","tags":[],"readiness_score":86,"readiness_breakdown":{"level":5,"score":86,"probes":[{"id":"discoverability.robotsTxt","name":"robots.txt","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"discoverability.sitemap","name":"sitemap.xml","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"discoverability.linkHeaders","name":"Link headers (/)","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"discoverability.dnsAid","name":"DNS-AID + DNSSEC","pass":false,"path":"","detail":"DNS for AI Discovery (DNS-AID) records found, but DNSSEC was not validated","status":null,"counts_toward_profile":true},{"id":"contentAccessibility.markdownNegotiation","name":"Markdown negotiation (/)","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"botAccessControl.robotsTxtAiRules","name":"AI bot rules (robots.txt)","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"botAccessControl.contentSignals","name":"Content-Signal (robots.txt)","pass":true,"path":"","status":null,"counts_toward_profile":true},{"id":"botAccessControl.webBotAuth","name":"Web Bot Auth","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false},{"id":"discovery.apiCatalog","name":"API catalog","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.oauthDiscovery","name":"OAuth authorization server","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.oauthProtectedResource","name":"OAuth protected resource","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.authMd","name":"auth.md","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.mcpServerCard","name":"MCP server card","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.a2aAgentCard","name":"A2A agent card","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.agentSkills","name":"Agent skills index","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.webMcp","name":"WebMCP bootstrap","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.ard","name":"ARD / ai-catalog.json","pass":true,"path":"","status":null,"counts_toward_profile":false},{"id":"discovery.personalAgentProtocol","name":"discovery.personalAgentProtocol","pass":false,"path":"","detail":"informational","status":null,"counts_toward_profile":false},{"id":"commerce.x402","name":"x402 payments","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false},{"id":"commerce.mpp","name":"MPP commerce","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false},{"id":"commerce.ucp","name":"UCP profile","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false},{"id":"commerce.acp","name":"ACP discovery","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false},{"id":"commerce.ap2","name":"AP2 (A2A commerce)","pass":false,"path":"(optional)","detail":"optional","status":null,"counts_toward_profile":false}],"scanner":"isitagentready","base_url":"https://www.plaiground.online","score_raw":88,"site_type":"content","iar_checks":{"commerce":{"acp":{"status":"neutral","message":"ACP discovery document not found (not a commerce site)","evidence":[{"label":"GET /.well-known/acp.json","action":"fetch","finding":{"outcome":"negative","summary":"Server returned 404 -- ACP discovery document not found"},"request":{"url":"https://www.plaiground.online/.well-known/acp.json","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cebb8c05c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"ACP discovery document not found"}}],"durationMs":656,"messageRef":{"code":"scanner.commerceCheckNotApplicable","params":{"check":"acp","original":{"code":"check.acp.notFound"}}}},"ap2":{"status":"neutral","message":"AP2 not declared in A2A Agent Card (not a commerce site)","evidence":[{"label":"Check AP2 extension","action":"validate","finding":{"outcome":"negative","summary":"A2A Agent Card found but no AP2 extension declared"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"AP2 not declared in A2A Agent Card extensions"}}],"messageRef":{"code":"scanner.commerceCheckNotApplicable","params":{"check":"ap2","original":{"code":"check.ap2.notDeclared"}}}},"mpp":{"status":"neutral","message":"MPP payment discovery not detected (not a commerce site)","evidence":[{"label":"GET /openapi.json","action":"fetch","finding":{"outcome":"neutral","summary":"/openapi.json returned 404"},"request":{"url":"https://www.plaiground.online/openapi.json","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432ceab8505c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"MPP payment discovery not detected"}}],"durationMs":593,"messageRef":{"code":"scanner.commerceCheckNotApplicable","params":{"check":"mpp","original":{"code":"check.mpp.notDetected"}}}},"ucp":{"status":"neutral","message":"UCP profile not found (not a commerce site)","evidence":[{"label":"GET /.well-known/ucp","action":"fetch","finding":{"outcome":"negative","summary":"Server returned 404 -- UCP profile not found"},"request":{"url":"https://www.plaiground.online/.well-known/ucp","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cd0b0005c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"UCP profile not found"}}],"durationMs":440,"messageRef":{"code":"scanner.commerceCheckNotApplicable","params":{"check":"ucp","original":{"code":"check.ucp.notFound"}}}},"x402":{"status":"neutral","message":"x402 payment protocol not detected (not a commerce site)","evidence":[{"label":"GET /platform/v2/x402/discovery/resources","action":"fetch","request":{"url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?limit=500","method":"GET"},"response":{"status":200,"headers":{"cf-ray":"a4d432cd1b0305c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"GET Bazaar discovery API","action":"fetch","finding":{"outcome":"negative","summary":"Network error querying Bazaar API"},"request":{"url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?limit=500","method":"GET"}},{"label":"GET /api","action":"fetch","finding":{"outcome":"neutral","summary":"/api returned 404 (not 402)"},"request":{"url":"https://www.plaiground.online/api","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432ce0b5405c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"GET /api/v1","action":"fetch","finding":{"outcome":"neutral","summary":"/api/v1 returned 404 (not 402)"},"request":{"url":"https://www.plaiground.online/api/v1","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432ce4b6c05c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"GET /","action":"fetch","finding":{"outcome":"negative","summary":"Network error probing /"},"request":{"url":"https://www.plaiground.online/","method":"GET"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"x402 payment protocol not detected"}}],"durationMs":3000,"messageRef":{"code":"scanner.commerceCheckNotApplicable","params":{"check":"x402","original":{"code":"check.x402.notDetected"}}}}},"discovery":{"ard":{"status":"pass","details":{"entryCount":3,"entryTypes":{"text/markdown":1,"application/a2a-agent-card+json":1,"application/mcp-server-card+json":1},"contentType":"application/json","entryIssues":[],"specVersion":"1.0","hasCollections":false,"hostIdentifier":"did:web:www.plaiground.online","manifestSource":"well-known","entryIssueCount":0,"hostDisplayName":"PlaiGround","searchEndpoints":[],"validEntryCount":3,"correctMediaType":false,"entriesInspected":3,"withTrustManifest":0,"nestedCatalogCount":0,"urnConformantCount":3,"discoveryMechanisms":["well-known","agentmap"],"registryEndpointCount":0,"withRepresentativeQueries":2},"message":"ARD capability manifest found with 3 agentic resources","evidence":[{"label":"Extract Agentmap directives from robots.txt","action":"parse","finding":{"outcome":"positive","summary":"Found 1 Agentmap directive"}},{"label":"Extract from page head","action":"parse","finding":{"outcome":"neutral","summary":"No catalog links found"}},{"label":"GET /.well-known/ai-catalog.json","action":"fetch","finding":{"outcome":"positive","summary":"Received 200 with valid JSON response"},"request":{"url":"https://www.plaiground.online/.well-known/ai-catalog.json","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cbda9305c4-IAD","content-type":"application/json"},"statusText":"OK","bodyPreview":"{\"specVersion\":\"1.0\",\"host\":{\"displayName\":\"PlaiGround\",\"identifier\":\"did:web:www.plaiground.online\"},\"entries\":[{\"identifier\":\"urn:air:www.plaiground.online:mcp:plaiground\",\"displayName\":\"PlaiGround MCP\",\"type\":\"application/mcp-server-card+json\",\"url\":\"https://www.plaiground.online/.well-known/mcp/server-card.json\",\"description\":\"MCP server for public challenge reads plus delegated create and entry tools.\",\"representativeQueries\":[\"list live challenges accepting entries\",\"get challenge spec for..."}},{"label":"Validate manifest entries","action":"validate","finding":{"outcome":"positive","summary":"3 of 3 inspected entries valid; 3 use a conformant urn:air identifier"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"ARD capability manifest found with 3 agentic resources"}},{"label":"DoH TXT _catalog._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No TXT answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_catalog._agents.www.plaiground.online&type=TXT&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_catalog._agents.www.plaiground.online\",\"type\":16}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH SRV _search._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SRV answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_search._agents.www.plaiground.online&type=SRV&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_search._agents.www.plaiground.online\",\"type\":33}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH TXT _catalog._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No TXT answers (NXDOMAIN)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_catalog._agents.plaiground.online&type=TXT&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":3,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_catalog._agents.plaiground.online\",\"type\":16}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH SRV _search._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SRV answers (NXDOMAIN)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_search._agents.plaiground.online&type=SRV&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":3,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_search._agents.plaiground.online\",\"type\":33}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}}],"durationMs":48,"messageRef":{"code":"check.ard.found","params":{"resourceCount":3}}},"authMd":{"status":"pass","details":{"skill":"https://www.plaiground.online/auth.md","issuer":"https://www.plaiground.online","claimUri":"https://www.plaiground.online/connect","resource":"https://www.plaiground.online","warnings":[],"authMdUrl":"https://www.plaiground.online/auth.md","markerCount":1,"metadataUrl":"https://www.plaiground.online/.well-known/oauth-authorization-server","registerUri":"https://www.plaiground.online/api/agent/clients","sourceField":"agent_auth","supportsIdJag":false,"eventsSupported":[],"scopesSupported":["host","entrant","account.read","studio"],"supportsAnonymous":true,"authorizationServers":["https://www.plaiground.online"],"supportsVerifiedEmail":false,"bearerMethodsSupported":["header"],"identityTypesSupported":["anonymous"],"assertionTypesSupported":[],"credentialTypesSupported":["bearer"],"protectedResourceMetadataUrl":"https://www.plaiground.online/.well-known/oauth-protected-resource"},"message":"Auth.md support detected (anonymous)","evidence":[{"label":"GET /auth.md","action":"fetch","finding":{"outcome":"positive","summary":"Received 200 response with content-type: text/markdown; charset=utf-8"},"request":{"url":"https://www.plaiground.online/auth.md","method":"GET","headers":{"Accept":"text/markdown, text/plain, */*"}},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cc3ab705c4-IAD","content-type":"text/markdown; charset=utf-8"},"statusText":"OK","bodyPreview":"# auth.md\n\nPlaiGround — agent registration for the challenge arena. Humans are players; agents act on their behalf with delegation tokens and credits.\n\n## Supported registration\n\nPlaiGround uses **human-authorized delegation** (not headless agent signup):\n\n1. Human signs in at `https://www.plaiground.online/dashboard/login` (email, Google/GitHub, or Base / Coinbase Wallet)\n2. Human enables agent budgets in Dashboard → Settings\n3. Human registers an agent client at `https://www.plaiground.online/..."}},{"label":"Detect Auth.md registration markers","action":"parse","finding":{"outcome":"positive","summary":"Found 1 Auth.md marker(s)"}},{"label":"Detect self-contained Auth.md registration flow","action":"parse","finding":{"outcome":"positive","summary":"Found 2 registration endpoint(s) and 1 credential marker(s)"}},{"label":"GET /.well-known/oauth-protected-resource","action":"fetch","finding":{"outcome":"positive","summary":"Received JSON response (200)"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-protected-resource","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cfbbda05c4-IAD","content-type":"application/json"},"statusText":"OK","bodyPreview":"{\"resource\":\"https://www.plaiground.online\",\"resource_name\":\"PlaiGround\",\"authorization_servers\":[\"https://www.plaiground.online\"],\"bearer_methods_supported\":[\"header\"],\"scopes_supported\":[\"host\",\"entrant\",\"account.read\",\"studio\"],\"resource_documentation\":\"https://www.plaiground.online/auth.md\",\"mcp_server_card\":\"https://www.plaiground.online/.well-known/mcp/server-card.json\"}"}},{"label":"Validate Protected Resource Metadata","action":"validate","finding":{"outcome":"positive","summary":"Valid metadata with resource https://www.plaiground.online and 1 authorization server(s)"}},{"label":"GET /.well-known/oauth-protected-resource%60","action":"fetch","finding":{"outcome":"negative","summary":"OAuth Protected Resource Metadata returned 404"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-protected-resource`","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cfbbdb05c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"GET /.well-known/oauth-protected-resource/mcp%60","action":"fetch","finding":{"outcome":"negative","summary":"OAuth Protected Resource Metadata returned 404"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-protected-resource/mcp`","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cffbf205c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"GET /.well-known/oauth-authorization-server","action":"fetch","finding":{"outcome":"positive","summary":"Received JSON response (200)"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-authorization-server","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432d12c5e05c4-IAD","content-type":"application/json"},"statusText":"OK","bodyPreview":"{\"issuer\":\"https://www.plaiground.online\",\"authorization_endpoint\":\"https://www.plaiground.online/connect\",\"token_endpoint\":\"https://www.plaiground.online/api/agent/delegations\",\"registration_endpoint\":\"https://www.plaiground.online/api/agent/clients\",\"scopes_supported\":[\"host\",\"entrant\",\"account.read\",\"studio\"],\"response_types_supported\":[\"code\"],\"grant_types_supported\":[\"authorization_code\",\"client_credentials\"],\"token_endpoint_auth_methods_supported\":[\"client_secret_post\",\"none\"],\"service_doc..."}},{"label":"Validate agent_auth metadata","action":"validate","finding":{"outcome":"positive","summary":"Found agent_auth with register_uri and supported methods"}},{"label":"GET /.well-known/oauth-authorization-server%60","action":"fetch","finding":{"outcome":"negative","summary":"OAuth Authorization Server metadata returned 404"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-authorization-server`","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432d12c5f05c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Auth.md support detected (anonymous)"}}],"durationMs":1175,"messageRef":{"code":"check.authMd.detected","params":{"methods":["anonymous"]}}},"webMcp":{"status":"pass","details":{"tools":[{"name":"list_live_challenges","hasSchema":true,"description":"List PlaiGround challenges accepting entries now."},{"name":"get_challenge_spec","hasSchema":true,"description":"Fetch machine-readable rules for a challenge by slug."},{"name":"open_connect","hasSchema":true,"description":"Open PlaiGround agent onboarding and MCP delegation."}],"toolCount":3,"detectionMethod":"imperative_api"},"message":"Found 3 WebMCP tools via document.modelContext: list_live_challenges, get_challenge_spec, open_connect","evidence":[{"label":"WebMCP detection","action":"parse","finding":{"outcome":"neutral","summary":"Checking page for WebMCP tool registrations"}},{"label":"Navigate to https://www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"Loading page to detect WebMCP tool registrations"},"request":{"url":"https://www.plaiground.online","method":"GET"}},{"label":"Check imperative WebMCP API","action":"parse","finding":{"outcome":"positive","summary":"Found 3 tool(s) via document.modelContext"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Found 3 WebMCP tool(s) via document.modelContext"}}],"durationMs":6812,"messageRef":{"code":"check.webMcp.toolsDetected","params":{"toolCount":3,"toolNames":["list_live_challenges","get_challenge_spec","open_connect"],"detectionMethod":"imperative_api"}}},"apiCatalog":{"status":"pass","details":{"apiCount":3,"hasItems":false,"linksetEntries":3,"hasNestedCatalogs":false,"correctContentType":true},"message":"API Catalog found with 3 APIs listed","evidence":[{"label":"GET /.well-known/api-catalog","action":"fetch","finding":{"outcome":"positive","summary":"Received 200 with valid JSON response"},"request":{"url":"https://www.plaiground.online/.well-known/api-catalog","method":"GET","headers":{"Accept":"application/linkset+json, application/json"}},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432ccdaf105c4-IAD","content-type":"application/linkset+json"},"statusText":"OK","bodyPreview":"{\"linkset\":[{\"anchor\":\"https://www.plaiground.online/mcp\",\"service-desc\":[{\"href\":\"https://www.plaiground.online/.well-known/mcp/server-card.json\",\"type\":\"application/json\"}],\"service-doc\":[{\"href\":\"https://www.plaiground.online/connect\",\"type\":\"text/html\"},{\"href\":\"https://www.plaiground.online/AGENTS.md\",\"type\":\"text/markdown\"}]},{\"anchor\":\"https://www.plaiground.online/api/challenges\",\"service-desc\":[{\"href\":\"https://www.plaiground.online/api/challenges/{slug}/spec\",\"type\":\"application/json\"}..."}},{"label":"Validate Linkset structure","action":"validate","finding":{"outcome":"positive","summary":"Found \"linkset\" array with 3 entries"}},{"label":"Analyze linkset entries","action":"validate","finding":{"outcome":"positive","summary":"3 APIs listed, correct content-type"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"API Catalog found with 3 APIs listed"}}],"durationMs":192,"messageRef":{"code":"check.apiCatalog.found","params":{"apiCount":3}}},"agentSkills":{"status":"pass","details":{"path":"/.well-known/agent-skills/index.json","skillCount":1,"specVersion":"0.2.0","v2ValidEntries":true},"message":"Agent Skills index exists with valid JSON","evidence":[{"label":"GET /.well-known/agent-skills/index.json","action":"fetch","finding":{"outcome":"positive","summary":"Received 200 response with content-type: application/json"},"request":{"url":"https://www.plaiground.online/.well-known/agent-skills/index.json","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cccaeb05c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"Detect spec version","action":"validate","finding":{"outcome":"positive","summary":"Found $schema field — v0.2.0 format detected"}},{"label":"Count skills","action":"validate","finding":{"outcome":"neutral","summary":"Found \"skills\" array with 1 entry (1 with valid v0.2.0 fields)"}},{"label":"Validate skill count","action":"validate","finding":{"outcome":"positive","summary":"Index contains 1 skill"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Agent Skills index exists with valid JSON"}}],"durationMs":179,"messageRef":{"code":"check.agentSkills.valid"}},"a2aAgentCard":{"status":"pass","details":{"name":"PlaiGround Agent","version":"1.0.0","inputModes":["application/json","text/plain"],"serviceUrl":"https://www.plaiground.online/mcp","skillCount":3,"skillNames":["Read challenges","Create challenge","Enter challenge"],"description":"Challenge arena agent — create challenges, enter slots, and submit builds via MCP on behalf of a human player.","hasSecurity":false,"outputModes":["application/json","text/plain"],"ap2Supported":false,"hasStreaming":true,"providerName":"PlaiGround","hasExtensions":false,"interfaceCount":1,"transportProtocols":[],"hasPushNotifications":false},"message":"A2A Agent Card found: \"PlaiGround Agent\" (v1.0.0)","evidence":[{"label":"GET /.well-known/agent-card.json","action":"fetch","finding":{"outcome":"positive","summary":"Received 200 with valid JSON response"},"request":{"url":"https://www.plaiground.online/.well-known/agent-card.json","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cc9ade05c4-IAD","content-type":"application/json"},"statusText":"OK","bodyPreview":"{\"name\":\"PlaiGround Agent\",\"description\":\"Challenge arena agent — create challenges, enter slots, and submit builds via MCP on behalf of a human player.\",\"version\":\"1.0.0\",\"documentationUrl\":\"https://www.plaiground.online/AGENTS.md\",\"supportedInterfaces\":[{\"url\":\"https://www.plaiground.online/mcp\",\"protocolBinding\":\"HTTP+JSON\",\"protocolVersion\":\"2025-06-18\"}],\"capabilities\":{\"streaming\":true,\"pushNotifications\":false,\"extendedAgentCard\":false},\"defaultInputModes\":[\"application/json\",\"text/plain\"..."}},{"label":"Validate AgentCard structure","action":"validate","finding":{"outcome":"positive","summary":"Valid AgentCard: \"PlaiGround Agent\", version 1.0.0, 3 skills, 1 interface"}},{"label":"Check AP2 extension","action":"validate","finding":{"outcome":"neutral","summary":"No AP2 extension declared"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"A2A Agent Card found: \"PlaiGround Agent\" (v1.0.0)"}}],"durationMs":151,"messageRef":{"code":"check.a2aAgentCard.found","params":{"name":"PlaiGround Agent","version":"1.0.0"}}},"mcpServerCard":{"status":"pass","details":{"name":"plaiground","path":"/.well-known/mcp/server-card.json","format":"sep","hasTools":true,"hasVersion":true,"hasTransport":true,"hasDescription":true,"hasCapabilities":true},"message":"MCP Server Card found at /.well-known/mcp/server-card.json","evidence":[{"label":"GET /.well-known/mcp/server-card.json","action":"fetch","finding":{"outcome":"positive","summary":"Found valid MCP Server Card (sep format) at /.well-known/mcp/server-card.json"},"request":{"url":"https://www.plaiground.online/.well-known/mcp/server-card.json","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cc8ace05c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"GET /.well-known/mcp.json","action":"fetch","finding":{"outcome":"positive","summary":"Found valid MCP Server Card (sep format) at /.well-known/mcp.json"},"request":{"url":"https://www.plaiground.online/.well-known/mcp.json","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cc9adc05c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"GET /.well-known/mcp/server-cards.json","action":"fetch","finding":{"outcome":"negative","summary":"/.well-known/mcp/server-cards.json returned 404"},"request":{"url":"https://www.plaiground.online/.well-known/mcp/server-cards.json","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cc8ad605c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Validate Server Card","action":"validate","finding":{"outcome":"positive","summary":"SEP-format card found at /.well-known/mcp/server-card.json"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"MCP Server Card found at /.well-known/mcp/server-card.json"}}],"durationMs":345,"messageRef":{"code":"check.mcpServerCard.found","params":{"path":"/.well-known/mcp/server-card.json"}}},"oauthDiscovery":{"status":"pass","details":{"issuer":"https://www.plaiground.online","source":"openid-configuration","grantTypes":["authorization_code","client_credentials"],"hasJwksUri":false,"hasTokenEndpoint":true,"hasAuthorizationEndpoint":true},"message":"OpenID Connect discovery metadata found","evidence":[{"label":"GET /.well-known/openid-configuration","action":"fetch","finding":{"outcome":"positive","summary":"Received JSON from openid-configuration"},"request":{"url":"https://www.plaiground.online/.well-known/openid-configuration","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cbea9805c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"Validate openid-configuration structure","action":"validate","finding":{"outcome":"positive","summary":"Valid metadata with issuer: https://www.plaiground.online"}},{"label":"GET /.well-known/oauth-authorization-server","action":"fetch","finding":{"outcome":"positive","summary":"Received JSON from oauth-authorization-server"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-authorization-server","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cbea9a05c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"Validate oauth-authorization-server structure","action":"validate","finding":{"outcome":"positive","summary":"Valid metadata with issuer: https://www.plaiground.online"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"OpenID Connect discovery metadata found"}}],"durationMs":113,"messageRef":{"code":"check.oauthDiscovery.found","params":{"source":"openid-configuration"}}},"personalAgentProtocol":{"status":"fail","details":{"issuerValidation":"notChecked","manifestDetected":false},"message":"Personal Agent Protocol manifest not found","evidence":[{"label":"GET /.well-known/poppy.json","action":"fetch","request":{"url":"https://www.plaiground.online/.well-known/poppy.json","method":"GET","headers":{"Accept":"application/json"}},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432ca8a2505c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"Personal Agent Protocol manifest not found"}}],"durationMs":201,"messageRef":{"code":"check.personalAgentProtocol.notFound"}},"oauthProtectedResource":{"status":"pass","details":{"resource":"https://www.plaiground.online","resourceName":"PlaiGround","discoveryMethod":"well-known","scopesSupported":["host","entrant","account.read","studio"],"authorizationServers":["https://www.plaiground.online"],"resourceDocumentation":"https://www.plaiground.online/auth.md","bearerMethodsSupported":["header"]},"message":"OAuth Protected Resource Metadata found (well-known)","evidence":[{"label":"GET /.well-known/oauth-protected-resource","action":"fetch","finding":{"outcome":"positive","summary":"Received JSON response (200)"},"request":{"url":"https://www.plaiground.online/.well-known/oauth-protected-resource","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cbea9905c4-IAD","content-type":"application/json"},"statusText":"OK"}},{"label":"Validate resource metadata","action":"validate","finding":{"outcome":"positive","summary":"Valid metadata with resource: https://www.plaiground.online"}},{"label":"GET /","action":"fetch","finding":{"outcome":"neutral","summary":"Target resource returned 200 (no WWW-Authenticate header)"},"request":{"url":"https://www.plaiground.online","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cc2ab205c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"OK"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"OAuth Protected Resource Metadata found (well-known)"}}],"durationMs":3338,"messageRef":{"code":"check.oauthProtectedResource.found","params":{"discoveryMethod":"well-known"}}}},"discoverability":{"dnsAid":{"status":"fail","details":{"records":[{"alpn":["h3","h2"],"mode":"service","port":443,"rrType":"HTTPS","target":"www.plaiground.online","ipv4hint":[],"ipv6hint":[],"priority":1,"mandatory":[],"ownerName":"_index._agents.plaiground.online","customParamKeys":[],"dnssecValidated":false,"validServiceMode":true,"validationIssues":[]},{"alpn":["a2a","h3","h2"],"mode":"service","port":443,"rrType":"HTTPS","target":"www.plaiground.online","ipv4hint":[],"ipv6hint":[],"priority":1,"mandatory":["alpn","port"],"ownerName":"_a2a._agents.plaiground.online","customParamKeys":[],"dnssecValidated":false,"validServiceMode":true,"validationIssues":[]},{"alpn":["mcp","h3","h2"],"mode":"service","port":443,"rrType":"HTTPS","target":"www.plaiground.online","ipv4hint":[],"ipv6hint":[],"priority":1,"mandatory":["alpn","port"],"ownerName":"_mcp._agents.plaiground.online","customParamKeys":[],"dnssecValidated":false,"validServiceMode":true,"validationIssues":[]}],"domainsChecked":["www.plaiground.online","plaiground.online"],"dnssecValidated":false,"txtIndexEntries":[],"aliasRecordCount":0,"queriesAttempted":["SVCB _index._agents.www.plaiground.online","HTTPS _index._agents.www.plaiground.online","SVCB _a2a._agents.www.plaiground.online","HTTPS _a2a._agents.www.plaiground.online","SVCB _mcp._agents.www.plaiground.online","HTTPS _mcp._agents.www.plaiground.online","TXT _index._agents.www.plaiground.online","SVCB _index._agents.plaiground.online","HTTPS _index._agents.plaiground.online","SVCB _a2a._agents.plaiground.online","HTTPS _a2a._agents.plaiground.online","SVCB _mcp._agents.plaiground.online","HTTPS _mcp._agents.plaiground.online","TXT _index._agents.plaiground.online"],"serviceRecordCount":3,"txtIndexEntryCount":0},"message":"DNS for AI Discovery (DNS-AID) records found, but DNSSEC was not validated","evidence":[{"label":"DoH SVCB _index._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.www.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.www.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _index._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No HTTPS answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.www.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.www.plaiground.online\",\"type\":65}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH SVCB _a2a._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_a2a._agents.www.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_a2a._agents.www.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _a2a._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No HTTPS answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_a2a._agents.www.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_a2a._agents.www.plaiground.online\",\"type\":65}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH SVCB _mcp._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_mcp._agents.www.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_mcp._agents.www.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _mcp._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No HTTPS answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_mcp._agents.www.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_mcp._agents.www.plaiground.online\",\"type\":65}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH TXT _index._agents.www.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No TXT answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.www.plaiground.online&type=TXT&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.www.plaiground.online\",\"type\":16}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH SVCB _index._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _index._agents.plaiground.online","action":"fetch","finding":{"outcome":"positive","summary":"Found 1 HTTPS answer"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.plaiground.online\",\"type\":65}],\"Answer\":[{\"name\":\"_index._agents.plaiground.online\",\"type\":65,\"TTL\":60,\"data\":\"1 www.plaiground.online. alpn=h3,h2 port=443\"}]}"}},{"label":"DoH SVCB _a2a._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_a2a._agents.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_a2a._agents.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _a2a._agents.plaiground.online","action":"fetch","finding":{"outcome":"positive","summary":"Found 1 HTTPS answer"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_a2a._agents.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_a2a._agents.plaiground.online\",\"type\":65}],\"Answer\":[{\"name\":\"_a2a._agents.plaiground.online\",\"type\":65,\"TTL\":60,\"data\":\"1 www.plaiground.online. mandatory=alpn,port alpn=a2a,h3,h2 port=443\"}]}"}},{"label":"DoH SVCB _mcp._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No SVCB answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_mcp._agents.plaiground.online&type=SVCB&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_mcp._agents.plaiground.online\",\"type\":64}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"DoH HTTPS _mcp._agents.plaiground.online","action":"fetch","finding":{"outcome":"positive","summary":"Found 1 HTTPS answer"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_mcp._agents.plaiground.online&type=HTTPS&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_mcp._agents.plaiground.online\",\"type\":65}],\"Answer\":[{\"name\":\"_mcp._agents.plaiground.online\",\"type\":65,\"TTL\":60,\"data\":\"1 www.plaiground.online. mandatory=alpn,port alpn=mcp,h3,h2 port=443\"}]}"}},{"label":"DoH TXT _index._agents.plaiground.online","action":"fetch","finding":{"outcome":"neutral","summary":"No TXT answers (NOERROR)"},"request":{"url":"https://cloudflare-dns.com/dns-query?name=_index._agents.plaiground.online&type=TXT&do=1","method":"GET","headers":{"Accept":"application/dns-json"}},"response":{"status":200,"headers":{"content-type":"application/dns-json"},"statusText":"OK","bodyPreview":"{\"Status\":0,\"TC\":false,\"RD\":true,\"RA\":true,\"AD\":false,\"CD\":false,\"Question\":[{\"name\":\"_index._agents.plaiground.online\",\"type\":16}],\"Authority\":[{\"name\":\"plaiground.online\",\"type\":6,\"TTL\":600,\"data\":\"ns1.vercel-dns.com. hostmaster.nsone.net. 1785013300 43200 7200 1209600 600\"}]}"}},{"label":"Parse DNS for AI Discovery (DNS-AID) SVCB/HTTPS records","action":"parse","finding":{"outcome":"positive","summary":"Found 3 ServiceMode records"}},{"label":"Validate DNSSEC requirement","action":"validate","finding":{"outcome":"negative","summary":"DNS for AI Discovery (DNS-AID) draft-01 requires public discovery records to be DNSSEC-signed and validated, but AD=true was not returned"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"DNS for AI Discovery (DNS-AID) records found but DNSSEC was not validated"}}],"durationMs":19,"messageRef":{"code":"check.dnsAid.dnssecNotValidated"}},"sitemap":{"status":"pass","details":{"url":"https://www.plaiground.online/sitemap.xml","format":"xml","fromRobotsTxt":true},"message":"sitemap.xml exists with valid structure","evidence":[{"label":"Extract Sitemap directives from robots.txt","action":"parse","finding":{"outcome":"positive","summary":"Found 1 Sitemap directive(s) in robots.txt"}},{"label":"GET /sitemap.xml","action":"fetch","finding":{"outcome":"positive","summary":"Found valid xml sitemap at https://www.plaiground.online/sitemap.xml"},"request":{"url":"https://www.plaiground.online/sitemap.xml","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432cbda9505c4-IAD","content-type":"application/xml"},"statusText":"OK"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"sitemap.xml exists with valid structure"}}],"durationMs":54,"messageRef":{"code":"check.sitemap.valid"}},"robotsTxt":{"status":"pass","message":"robots.txt exists with valid format","evidence":[{"label":"GET /robots.txt","action":"fetch","finding":{"outcome":"positive","summary":"Received valid robots.txt (200, text/plain; charset=utf-8)"},"request":{"url":"https://www.plaiground.online/robots.txt","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432ca9a2705c4-IAD","content-type":"text/plain; charset=utf-8","content-length":"517"},"statusText":"OK","bodyPreview":"# PlaiGround — agent-readable discovery\nUser-agent: *\nAllow: /\nContent-Signal: ai-train=no, search=yes, ai-input=yes\n\nUser-agent: GPTBot\nAllow: /\n\nUser-agent: ClaudeBot\nAllow: /\n\nUser-agent: Google-Extended\nAllow: /\n\nUser-agent: PerplexityBot\nAllow: /\n\nUser-agent: CCBot\nAllow: /\n\nUser-agent: Applebot-Extended\nAllow: /\n\nUser-agent: Bytespider\nAllow: /\n\nUser-agent: meta-externalagent\nAllow: /\n\nAgentmap: https://www.plaiground.online/.well-known/ai-catalog.json\n\nSitemap: https://www.plaiground.onli..."}},{"label":"Validate robots.txt structure","action":"parse","finding":{"outcome":"positive","summary":"Contains valid User-agent directive(s)"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"robots.txt exists with valid format"}}],"durationMs":0,"messageRef":{"code":"check.robotsTxt.valid"}},"linkHeaders":{"status":"pass","details":{"totalLinks":15,"relationsFound":[{"rel":"api-catalog","href":"https://www.plaiground.online/.well-known/api-catalog","type":"application/linkset+json"},{"rel":"alternate","href":"https://www.plaiground.online/AGENTS.md","type":"text/markdown"}]},"message":"Found agent-useful Link relations: api-catalog, alternate","evidence":[{"label":"GET /","action":"fetch","finding":{"outcome":"positive","summary":"Target page returned 200 with Link header"},"request":{"url":"https://www.plaiground.online","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cf0ba305c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"OK"}},{"label":"Parse Link header (RFC 8288)","action":"parse","finding":{"outcome":"neutral","summary":"Parsed 15 link(s) from header"}},{"label":"Match agent-useful relations","action":"parse","finding":{"outcome":"positive","summary":"Found agent-useful relations: api-catalog, alternate"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Found agent-useful Link relations: api-catalog, alternate"}}],"durationMs":3823,"messageRef":{"code":"check.linkHeaders.found","params":{"relationNames":["api-catalog","alternate"]}}}},"botAccessControl":{"webBotAuth":{"status":"neutral","message":"Web Bot Auth directory not found (informational only)","evidence":[{"label":"GET /.well-known/http-message-signatures-directory","action":"fetch","finding":{"outcome":"negative","summary":"Server returned 404 -- Web Bot Auth directory not found"},"request":{"url":"https://www.plaiground.online/.well-known/http-message-signatures-directory","method":"GET"},"response":{"status":404,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"style\"","cf-ray":"a4d432cbea9705c4-IAD","content-type":"text/html; charset=utf-8"},"statusText":"Not Found"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"negative","summary":"Web Bot Auth directory not found"}}],"durationMs":377,"messageRef":{"code":"scanner.webBotAuthInformational","params":{"original":{"code":"check.webBotAuth.notFound"}}}},"contentSignals":{"status":"pass","details":{"signals":[{"path":null,"search":"yes","aiInput":"yes","aiTrain":"no","userAgent":"*"}],"signalCount":1},"message":"Content Signals found in robots.txt","evidence":[{"label":"GET /robots.txt","action":"fetch","finding":{"outcome":"positive","summary":"Received valid robots.txt (200, text/plain; charset=utf-8)"},"request":{"url":"https://www.plaiground.online/robots.txt","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432ca9a2705c4-IAD","content-type":"text/plain; charset=utf-8","content-length":"517"},"statusText":"OK","bodyPreview":"# PlaiGround — agent-readable discovery\nUser-agent: *\nAllow: /\nContent-Signal: ai-train=no, search=yes, ai-input=yes\n\nUser-agent: GPTBot\nAllow: /\n\nUser-agent: ClaudeBot\nAllow: /\n\nUser-agent: Google-Extended\nAllow: /\n\nUser-agent: PerplexityBot\nAllow: /\n\nUser-agent: CCBot\nAllow: /\n\nUser-agent: Applebot-Extended\nAllow: /\n\nUser-agent: Bytespider\nAllow: /\n\nUser-agent: meta-externalagent\nAllow: /\n\nAgentmap: https://www.plaiground.online/.well-known/ai-catalog.json\n\nSitemap: https://www.plaiground.onli..."}},{"label":"Parse Content-Signal directives","action":"parse","finding":{"outcome":"positive","summary":"Found 1 Content-Signal directive(s)"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Content Signals found in robots.txt"}}],"durationMs":0,"messageRef":{"code":"check.contentSignals.found"}},"robotsTxtAiRules":{"status":"pass","details":{"botsFound":["gptbot","google-extended","ccbot","bytespider","perplexitybot","applebot-extended","meta-externalagent","claudebot"],"targetPath":"/","botPolicies":[{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"gptbot","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"chatgpt-user","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"oai-searchbot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"google-extended","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"ccbot","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"anthropic-ai","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"claude-web","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"bytespider","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"perplexitybot","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"cohere-ai","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"applebot-extended","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"amazonbot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"meta-externalagent","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"facebookbot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"omgilibot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"diffbot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"claudebot","ruleSource":"explicit","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"claude-searchbot","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"claude-user","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"},{"rules":[{"pattern":"/","directive":"allow"}],"userAgent":"perplexity-user","ruleSource":"wildcard","matchedRule":{"pattern":"/","directive":"allow"},"effectiveAccess":"allowed"}],"robotsStatus":"ok"},"message":"Found rules for AI bots: gptbot, google-extended, ccbot, bytespider, perplexitybot, applebot-extended, meta-externalagent, claudebot","evidence":[{"label":"GET /robots.txt","action":"fetch","finding":{"outcome":"positive","summary":"Received valid robots.txt (200, text/plain; charset=utf-8)"},"request":{"url":"https://www.plaiground.online/robots.txt","method":"GET"},"response":{"status":200,"headers":{"link":"; rel=\"api-catalog\"; type=\"application/linkset+json\", ; rel=\"mcp-server-card\"; type=\"application/json\", ; rel=\"agent-skills\"; type=\"application/json\", ; rel=\"llms-txt\"; type=\"text/plain\", ; rel=\"sitemap\"; type=\"application/xml\", ; rel=\"alternate\"; type=\"text/markdown\", ; rel=\"oauth-authorization-server\"; type=\"application/json\", ; rel=\"oauth-protected-resource\"; type=\"application/json\", ; rel=\"ard\"; type=\"application/json\", ; rel=\"agent-card\"; type=\"application/json\"","cf-ray":"a4d432ca9a2705c4-IAD","content-type":"text/plain; charset=utf-8","content-length":"517"},"statusText":"OK","bodyPreview":"# PlaiGround — agent-readable discovery\nUser-agent: *\nAllow: /\nContent-Signal: ai-train=no, search=yes, ai-input=yes\n\nUser-agent: GPTBot\nAllow: /\n\nUser-agent: ClaudeBot\nAllow: /\n\nUser-agent: Google-Extended\nAllow: /\n\nUser-agent: PerplexityBot\nAllow: /\n\nUser-agent: CCBot\nAllow: /\n\nUser-agent: Applebot-Extended\nAllow: /\n\nUser-agent: Bytespider\nAllow: /\n\nUser-agent: meta-externalagent\nAllow: /\n\nAgentmap: https://www.plaiground.online/.well-known/ai-catalog.json\n\nSitemap: https://www.plaiground.onli..."}},{"label":"Scan for AI bot User-agent directives","action":"parse","finding":{"outcome":"positive","summary":"Found rules for AI bots: gptbot, google-extended, ccbot, bytespider, perplexitybot, applebot-extended, meta-externalagent, claudebot"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Found rules for 8 AI bots"}}],"durationMs":0,"messageRef":{"code":"check.aiRules.rulesFound","params":{"bots":["gptbot","google-extended","ccbot","bytespider","perplexitybot","applebot-extended","meta-externalagent","claudebot"]}}}},"contentAccessibility":{"markdownNegotiation":{"status":"pass","details":{"contentType":"text/markdown; charset=utf-8"},"message":"Site supports Markdown for Agents","evidence":[{"label":"GET target page (Accept: text/markdown)","action":"fetch","finding":{"outcome":"positive","summary":"Response content-type is text/markdown; charset=utf-8 -- site supports markdown negotiation"},"request":{"url":"https://www.plaiground.online","method":"GET","headers":{"accept":"text/markdown","cache-control":"no-cache"}},"response":{"status":200,"headers":{"content-type":"text/markdown; charset=utf-8"},"statusText":"OK"}},{"label":"Conclusion","action":"conclude","finding":{"outcome":"positive","summary":"Site supports Markdown for Agents"}}],"durationMs":461,"messageRef":{"code":"check.markdownNegotiation.supported"}}}},"iar_preset":"content","level_name":"Agent-Native","scanned_at":"2026-10-20T01:20:17.339Z","is_commerce":false,"mismatch_warning":"Declared as content, but scan suggests agent-native (level ≥ 4). Consider changing site type."},"agent_endpoints":{"llms_txt":"https://www.plaiground.online/llms.txt","ard_url":"https://www.plaiground.online/.well-known/ard.json","mcp_card_url":"https://www.plaiground.online/.well-known/mcp/server-card.json"},"commerce":{"ucp_ready":false,"ucp_manifest_url":"https://www.plaiground.online/.well-known/ucp","checks":[{"id":"commerce.ucp","status":"neutral","message":"UCP profile not found (not a commerce site)"},{"id":"commerce.ap2","status":"neutral","message":"AP2 not declared in A2A Agent Card (not a commerce site)"},{"id":"commerce.acp","status":"neutral","message":"ACP discovery document not found (not a commerce site)"},{"id":"commerce.x402","status":"neutral","message":"x402 payment protocol not detected (not a commerce site)"},{"id":"commerce.mpp","status":"neutral","message":"MPP payment discovery not detected (not a commerce site)"}]},"site_type":"content","agent_profile":{"best_for":["creative coding challenge arena","MCP tools to host and enter build challenges","human-delegated agent budgets and entry credits","agent-ready web discovery reference","public voting and challenge leaderboard"],"differentiators":"Real challenge play via MCP and OAuth delegation—not just docs—with human-approved spend limits and public attribution."},"directory":{"name":"AI Agent Pages","listing_url":"https://www.aiagentpages.com/listings/plaiground","spec_url":"https://www.aiagentpages.com/api/listings/plaiground/spec","llms_txt_url":"https://www.aiagentpages.com/listings/plaiground/llms.txt"},"updated_at":"2026-10-22T07:03:21.148735+00:00"}