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How to launch Codex through the local gateway with My Free Code

Start Codex with the gateway as its backend using the built-in launcher.

Who it is forA developer who uses Codex and wants the same provider routing and fallback that the gateway offers Claude Code.

The problemEach coding client needs its own provider setup, so routing and fallbacks are hard to share across tools.

The outcomeCodex runs through the gateway launcher, and its requests use the models and fallbacks configured in .env.

What you need first

  • Python 3.11 or newer
  • A clone of the my-free-code repository
  • At least one provider API key for the MODEL values you choose, or a local model server such as Ollama, LM Studio, or llama.cpp
  • Claude Code or another supported client installed and on PATH

Steps

  1. Run python -m venv .venv, then python -m pip install -r requirements.txt, then cp .env.example .env and set your MODEL and API keys.
  2. Install Codex so that the codex command is available on PATH, since the README says the installed client must already exist.
  3. Run python -m my_free_code in one terminal.
  4. Run python -m my_free_code.cli.mfc codex in a second terminal.

Prompt for your agent

In the my-free-code repository, confirm the codex command is on PATH, start the gateway with python -m my_free_code, then run python -m my_free_code.cli.mfc codex. Expected output: Codex starts and completes a short test task. Verify that the gateway log records the request.

Caveat. The launcher only prepares the local proxy environment and passes arguments to the installed client, so Codex must be installed separately.

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