Prerequisites
- Codex CLI installed (
npm install -g @openai/codex) - A TryPost Cloud account with an active trial or subscription (start a 7-day free trial)
Setup
1
Open the configuration file
Edit No
~/.codex/config.toml and add the TryPost server:Authorization header — Codex discovers OAuth from the URL.2
Sign in via codex mcp login
Run the OAuth flow so Codex caches the token:Codex opens your browser to TryPost; approve the request and return to the terminal.
3
Verify the connection
Start Codex and ask:

