Is opensea.io agent ready?
opensea.io is largely agent ready: it scores 63/100 (grade B) on the w2agent rubric.
Changed since last check
−2 points since the previous check (2026-09-15)
Fixed: MCP endpoint
Regressed: Response time
Category scores
Category breakdown not recorded for this audit.
Agent protocol panel
- A2A agent cardPresent
- OAuth discoveryNot found
- MCP discoveryPresent
- llms.txt validityPresent
Check results
Bot Accessibility
- ✓No error status codespass
- ✗Response timefail
- ✓XML sitemap existspass
- ✓AI agent accesspass
- ✗Edge treatment of agent user-agentstracked, not scoredfail
- ✓robots.txt existspass
- ✗Content negotiation (Markdown)fail
- —Declared AI usage preferencestracked, not scoredskip
Structured Data
- ✓OpenGraph meta tagspass
- ✓Semantic HTML elementspass
- ✓Appropriate Schema.org typepass
- ✓JSON-LD validpass
- ~Heading hierarchypartial
- ~Schema.org JSON-LD presentpartial
- ✗Schema.org completenessfail
Content Quality
- ✓FAQ contentpass
- ✗Answer-first contentfail
- ✓Content lengthpass
- ✓Token efficiency (HTML-to-text ratio)pass
- ✗Freshness signalsfail
- ✗Author attributionfail
- ✓Citation readinesspass
- ~Lists and tables for structured infopartial
Agent Discovery
- ✓llms.txt follows specpass
- ✓llms.txt existspass
- ✗MCP server cardtracked, not scoredfail
- ✗Markdown alternate linksfail
- ~/.well-known/agent-card.jsonpartial
- ~llms.txt links resolvepartial
Agent Protocols
- ✗Discoverable API endpointsfail
- ✓MCP endpointpass
- ✗Action schemasfail
- —/.well-known/ucpskip
- ✓Structured formspass
- —WebMCP imperative APItracked, not scoredskip
- —WebMCP declarative APItracked, not scoredskip
- ✗Reachable as Google-Agentfail
- ✓Reachable as ChatGPT-Userpass
- ✓Reachable as Perplexity-Userpass
Agent Auth
- —MCP authorization (401 challenge → protected resource metadata)skip
- ✗PKCE S256 supportfail
- ✗Public API surfacefail
- —Client ID Metadata Documents (bonus)skip
- —OpenAPI specificationskip
- ✓Agent/bot auth documentationpass
- ✗OAuth discovery chain (RFC 9728 → RFC 8414)fail
- ✓Developer portalpass
- ✓Scoped API permissionspass
- ✓API catalog (RFC 9727)pass
- —Agent operator signing directorytracked, not scoredskip
Technical
- ✓HTTPSpass
- ✓UTF-8 charsetpass
- ✓Canonical URLspass
- ✓Mobile viewportpass
- ✓Content accessible without JSpass
- ✓Security headerspass
Other
- ✓nextjs-metadata-apipass
- ~nextjs-static-generationpartial
- ✓nextjs-well-known-servedpass
- —local-business-hours-jsonldskip
- —local-business-nap-structuredskip
- —local-business-booking-accessibleskip
Score history
- 63/100 · rubric v3.0
- 65/100 · rubric v3.0
- 52/100 · rubric v2.0
- 52/100 · rubric v2.0
- 51/100 · rubric v2.0
- 49/100 · rubric v2.0
- 47/100 · rubric v2.0
- 50/100 · rubric v2.0
- 50/100 · rubric v2.0
- 51/100 · rubric v2.0