Verified record · from the answer index

tc39-mcp

mcptested · static-verifiedscore 52/100signed passport ✓published 17d ago · verified 2026-07-112,626 monthly downloads

Unofficial MCP server for the TC39 specs (ECMA-262 + ECMA-402) — SHA-pinned clauses, AOID-aware search, in+out cross-references, edition diffs, history. Not affiliated with Ecma International or TC39.

Install

claude mcp add tc39-mcp -- npx -y tc39-mcp

npm:tc39-mcp · published by xyzzylabs · source repository