tc39-mcp MCP server

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

Category: Dev tools

● Online, checked 96 min ago · 181 ms

Source: official MCP Registry entry io.github.xyzzylabs/tc39-mcp · repository

Direct MCP URL and setup

CLAUDE CODE

claude mcp add --transport http io-github-xyzzylabs-tc39-mcp https://mcp.xyzzylabs.ai/tc39/mcp

CURSOR / VS CODE (mcp.json)

{ "mcpServers": { "io-github-xyzzylabs-tc39-mcp": { "url": "https://mcp.xyzzylabs.ai/tc39/mcp" } } }