Is expressjs.com agent ready?
expressjs.com is not yet agent ready: it scores 45/100 (grade D) on the w2agent rubric. Weakest areas: Agent Auth (20), Structured Data (26), Agent Protocols (30).
Changed since last check
+2 points since the previous check (2026-09-16)
Fixed: Response time
Category scores
Technical
83
Agent Auth
20
Agent Discovery
61
Agent Protocols
30
Content Quality
51
Structured Data
26
Bot Accessibility
63
Agent protocol panel
- A2A agent cardNot found
- OAuth discoveryNot found
- MCP discoveryNot found
- llms.txt validityPresent
Check results
Bot Accessibility
- ✓No error status codespass
- ✓Response timepass
- ✗XML sitemap existsfail
- ✓AI agent accesspass
- ✓Edge treatment of agent user-agentstracked, not scoredpass
- ✓robots.txt existspass
- ✗Content negotiation (Markdown)fail
- —Declared AI usage preferencestracked, not scoredskip
Structured Data
- ✓OpenGraph meta tagspass
- ✓Semantic HTML elementspass
- ✗Appropriate Schema.org typefail
- —JSON-LD validskip
- ~Heading hierarchypartial
- ✗Schema.org JSON-LD presentfail
- ✗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 infopass
Agent Discovery
- ✓llms.txt follows specpass
- ✓llms.txt existspass
- —MCP server cardtracked, not scoredskip
- ✗Markdown alternate linksfail
- ✗/.well-known/agent-card.jsonfail
- ~llms.txt links resolvepartial
Agent Protocols
- ✗Discoverable API endpointsfail
- ✗MCP endpointfail
- ✗Action schemasfail
- —/.well-known/ucpskip
- —Structured formsskip
- —WebMCP imperative APItracked, not scoredskip
- —WebMCP declarative APItracked, not scoredskip
- ✓Reachable as Google-Agentpass
- ✓Reachable as ChatGPT-Userpass
- ✓Reachable as Perplexity-Userpass
Agent Auth
- —MCP authorization (401 challenge → protected resource metadata)skip
- ✗PKCE S256 supportfail
- ✓Public API surfacepass
- —Client ID Metadata Documents (bonus)skip
- ✗OpenAPI specificationfail
- ✗Agent/bot auth documentationfail
- ✗OAuth discovery chain (RFC 9728 → RFC 8414)fail
- ~Developer portalpartial
- ✗Scoped API permissionsfail
- ✗API catalog (RFC 9727)fail
- —Agent operator signing directorytracked, not scoredskip
Technical
- ✓HTTPSpass
- ✓UTF-8 charsetpass
- ✓Canonical URLspass
- ✓Mobile viewportpass
- ✓Content accessible without JSpass
- ✗Security headersfail
Other
- ✓astro-ssr-modepass
- ✓astro-robots-txtpass
- ✗astro-sitemap-integrationfail
- —local-business-hours-jsonldskip
- —local-business-nap-structuredskip
- —local-business-booking-accessibleskip
Score history
- 45/100 · rubric v3.0
- 43/100 · rubric v3.0
- 43/100 · rubric v3.0
- 26/100 · rubric v2.0
- 33/100 · rubric v2.0
- 33/100 · rubric v2.0
- 33/100 · rubric v2.0
- 33/100 · rubric v2.0
- 33/100 · rubric v2.0
- 33/100 · rubric v2.0
- 39/100 · rubric v2.0
- 39/100 · rubric v2.0
- 41/100 · rubric v2.0