io.github.xyzzylabs/tc39-mcp

MCPcommunity
v0.4.0io.github.xyzzylabsUnknownUpdated 27d agonpmGitHub

MCP server for the TC39 specs (ECMA-262 + ECMA-402): SHA-pinned clauses, search, diffs, history.

📖 Docs: tc39-mcp.chicoxyzzy.workers.dev — Get started · Tools · Cookbook · Editions · Architecture · Hosting Give MCP-speaking AI agents structural access to the JS spec. Claude Code, Claude Desktop, Cursor, MCP Inspector, and anything else that speaks the Model Context Protocol can now call and get back parsed JSON (algorithm steps as discrete arrays, cross-references as ids, signatures as…

Automatically indexed from public sources. Not yet verified by the developer on Forge.Claim this listing →
27d agoLast update
Package
Authorio.github.xyzzylabs
LicenseUnknown
Version0.4.0
Sourcemcp-registry
npmtc39-mcp
GitHubxyzzylabs/tc39-mcp
Trust Status
A
95/100Trusted
✓Listed in Forge index+10/10
—Publisher identity verified+0/25
→ Publisher: run `forge publish` from the package repo to claim ownership
—Ed25519 publish signature+0/10
→ Included automatically when the publisher runs `forge publish`
—Domain verification+0/5
→ Publisher: host /.well-known/forge.json on the package homepage with { "publisher": "<github-login>" }
✓CVE scan · clean+30/30
✓Static analysis · clean+20/20
✓npm provenance (Sigstore)+5/5
Paste into Claude Code, Cursor, or any AI assistant to fix all gaps
StatusCommunity-indexed
PublisherUnverified
SignatureUnsigned
Domain—
Provenance✓ Sigstore-verified · 1a1d30d
Dependencies✓ 60 resolved+ · none vulnerable
Tool surface19 tools · none privileged
Security scan✓ Cleanv0.4.0 · 20d ago
EvalsNone
IndexedJun 13, 2026

Verification confirms publisher identity (repo ownership), not code safety. The security scan covers known CVEs and suspicious install scripts — it cannot prove the absence of malicious code.

About

📖 Docs: tc39-mcp.chicoxyzzy.workers.dev — Get started · Tools · Cookbook · Editions · Architecture · Hosting Give MCP-speaking AI agents structural access to the JS spec. Claude Code, Claude Desktop, Cursor, MCP Inspector, and anything else that speaks the Model Context Protocol can now call and get back parsed JSON (algorithm steps as discrete arrays, cross-references as ids, signatures as typed values) instead of being handed a 4 MB to grep through. Tools cover ECMA-262 (the core language)…

Keywords
mcp