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tc39-mcp

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

xyzzylabsxyzzylabs/tc39-mcp★ 2Updated Oct 7, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.xyzzylabs/tc39-mcp",
  "description": "Independent MCP server for the TC39 specs (ECMA-262 + ECMA-402): clauses, search, diffs, history.",
  "title": "tc39-mcp",
  "repository": {
    "url": "https://github.com/xyzzylabs/tc39-mcp",
    "source": "github"
  },
  "version": "0.6.4",
  "websiteUrl": "https://mcp.xyzzylabs.ai/tc39",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "tc39-mcp",
      "version": "0.6.4",
      "transport": {
        "type": "stdio"
      }
    }
  ],
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://mcp.xyzzylabs.ai/tc39/mcp"
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:tc39-mcp@0.6.4
Runs install scripts—None
Networkmcp.xyzzylabs.aimcp.xyzzylabs.ai
Needs credentialsNoneNone
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #20.6.4latestOct 7, 2026
  2. #10.6.3Oct 7, 2026