Is sendgrid.com agent ready?
sendgrid.com is not yet agent ready: it scores 39/100 (grade D) on the w2agent rubric.
Changed since last check
No change in score since the previous check (2026-09-15)
Category scores
Category breakdown not recorded for this audit.
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 timefail
- ✓XML sitemap existspass
- ✓AI agent accesspass
- ?Edge treatment of agent user-agentstracked, not scorederror
- ✓robots.txt existspass
- ✗Content negotiation (Markdown)fail
- ✓Declared AI usage preferencestracked, not scoredpass
Structured Data
- ✓OpenGraph meta tagspass
- ✓Semantic HTML elementspass
- ✗Appropriate Schema.org typefail
- —JSON-LD validskip
- ✗Heading hierarchyfail
- ✗Schema.org JSON-LD presentfail
- ✗Schema.org completenessfail
Content Quality
- ✓FAQ contentpass
- ✓Answer-first contentpass
- ✓Content lengthpass
- ~Token efficiency (HTML-to-text ratio)partial
- ✗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-Agenterror
- ✓Reachable as ChatGPT-Userpass
- ✗Reachable as Perplexity-Userfail
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 documentationpartial
- ✗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 URLsfail
- ✓Mobile viewportpass
- ✓Content accessible without JSpass
- ✗Security headersfail
Score history
- 39/100 · rubric v3.0
- 39/100 · rubric v3.0
- 42/100 · rubric v2.0
- 42/100 · rubric v2.0
- 42/100 · rubric v2.0
- 42/100 · rubric v2.0
- 43/100 · rubric v2.0
- 59/100 · rubric v2.0
- 60/100 · rubric v2.0
- 57/100 · rubric v2.0
- 57/100 · rubric v2.0