Is go.dev agent ready?
go.dev is not yet agent ready: it scores 36/100 (grade D) on the w2agent rubric. Weakest areas: Agent Discovery (0), Structured Data (13), Agent Auth (20), Agent Protocols (30).
Changed since last check
−1 points since the previous check (2026-09-16)
Regressed: Response time
Category scores
Technical
92
Agent Auth
20
Agent Discovery
0
Agent Protocols
30
Content Quality
52
Structured Data
13
Bot Accessibility
62
Agent protocol panel
- A2A agent cardNot found
- OAuth discoveryNot found
- MCP discoveryNot found
- llms.txt validityNot measured
Check results
Bot Accessibility
- ✓No error status codespass
- ~Response timepartial
- ✗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 tagsfail
- ✓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 contentpartial
- ✓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 specskip
- ✗llms.txt existsfail
- —MCP server cardtracked, not scoredskip
- ✗Markdown alternate linksfail
- ✗/.well-known/agent-card.jsonfail
- —llms.txt links resolveskip
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 surfacepartial
- —Client ID Metadata Documents (bonus)skip
- ✗OpenAPI specificationfail
- ✗Agent/bot auth documentationfail
- ✗OAuth discovery chain (RFC 9728 → RFC 8414)fail
- ✓Developer portalpass
- ✗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 headerspartial
Score history
- 36/100 · rubric v3.0
- 37/100 · rubric v3.0
- 37/100 · rubric v3.0
- 32/100 · rubric v2.0
- 32/100 · rubric v2.0
- 32/100 · rubric v2.0
- 29/100 · rubric v2.0
- 32/100 · rubric v2.0
- 32/100 · rubric v2.0
- 42/100 · rubric v2.0
- 42/100 · rubric v2.0
- 44/100 · rubric v2.0