Copy and Paste in Codex
Copy the block below and paste it into Codex. It will set the environment variable, update your config.toml, and create the skill.
Manual setup
Edit~/.codex/config.toml (global) or .codex/config.toml (project-scoped):
bearer_token_env_var tells Codex to read the value of ALCHEMIST_API_KEY from your environment and send it as Authorization: Bearer <value>. The key is never hardcoded in the config file.
To auto-approve all Alchemist tools (read-only, safe):