Install RenCosta2025 Context7fork in Codex
What you need first
- Codex, installed.
- Nothing else: the server runs on its publisher's machines and Codex connects to it.
Steps
- Run this in a terminal. It writes the server into
~/.codex/config.toml, which the Codex CLI, its IDE extension and the ChatGPT desktop app share.
codex mcp add rencosta2025-context7fork --url https://server.smithery.ai/@renCosta2025/context7fork/mcp- Start Codex again and type
/mcp: the server is listed.
Check it worked
Ask Codex: List the tools of rencosta2025-context7fork.
If it does not start
- 401 Unauthorized
- The endpoint wants a sign-in or a key. Sign in when Codex asks.