The Website Specification
Joost de Valk · https://joost.blog
https://mcp.specification.website/.well-known/agent-card.json
● healthy
Read-only agent that answers natural-language questions about The Website Specification — a platform-agnostic checklist of what a good website does. Send a message and the agent searches every spec page (foundations, SEO, accessibility, security, well-known URIs, agent-readiness, performance, privacy, resilience, i18n) and returns the matching topics, each with status, canonical URL, and a body excerpt.
Transport
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Protocol
1.0
Price
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Skills
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Search the specFree-text search across every spec page. Returns ranked results with title, status, category, canonical URL, and a body excerpt.searchdiscoveryweb-standards
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Fetch a spec topicFetch the full canonical Markdown of one spec page by slug. Send a text part of the form `topic:<slug>` — for example `topic:content-security-policy` or `topic:llms-txt`.fetchmarkdownreference
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Audit a website against the specPair this agent with a browsing agent: ask it for the relevant required and recommended topics for a category (security, seo, accessibility, performance, privacy, i18n, resilience, agent-readiness, well-known, foundations) and the audit plan falls out.auditchecklistcompliance