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W3C List Spec Versions

List all published versions of a W3C specification (newest first). Returns version date, status (Working Draft, Candidate Recommendation, etc.), URI, and rec-track flag. Use this to track spec progres…

View W3C Standards

Provider

This tool works seamlessly with the following service

W3C

Query the W3C (World Wide Web Consortium) public API to explore working groups, community groups, specifications, and standards. Search groups by keyword, list chairs, participants and organizations, review group charters, track spec progression through version history, filter specifications by status, and map ecosystems of related standards efforts.

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W3C Standards

open data

Query the W3C public API to explore working groups, community groups, specifications, and web standards. Search groups by keyword, list chairs, participants and organizations, review charters, track spec progression, filter by status, and map ecosystems.

Tool Information

Status
Active
Version
1.0.0
CreatedMarch 1, 2026
UpdatedMarch 1, 2026

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W3C List Spec Versions [1E4] - W3c Standards • MCP Tools