Codex

Add the hosted server

Add this to ~/.codex/config.toml, keep SPIRAL_API_KEY set in your shell, then restart Codex:

[mcp_servers.spiral]
url = "https://mcp.spiral.ai"
bearer_token_env_var = "SPIRAL_API_KEY"

Verify

codex mcp list

Try a starter prompt

Find a text-to-image tool, tell me what one image costs, then generate a lighthouse at dawn.