Official MCP RegistryHosted servertc39-mcp.chicoxyzzy.workers.dev

TC39

Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.

Connect to Claude Code

Copy

claude mcp add --transport http tc39 https://tc39-mcp.chicoxyzzy.workers.dev/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “TC39”. Verified through the vendor namespace.