iClaude
MCP Registry

Tc39

Structured MCP server for the TC39 specs (ECMA-262 + ECMA-402) — SHA-pinned clauses, AOID-aware search, in+out cross-references, edition diffs, history.

Install

n8n
# expose as webhook: npx -y tc39-mcp
bash
npx -y tc39-mcp
claude
npx -y tc39-mcp
cursor
npx -y tc39-mcp
chatgpt
npx -y tc39-mcp
Publisher
GitHub Actions
License
MIT
Format
npx
Price
Free

Stacks

claudecursor

Tags

ecmascriptecma262ecma402tc39intljavascript-specspecificationlanguage-spec
source ↗ https://www.npmjs.com/package/tc39-mcp

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MCP server for understanding Javascript internals from ECMAScript specification. Provides vector search over the ECMAScript spec, section content retrieval, and JavaScript code execution with spec section tracing via engine262.

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