OpenCrabs
An all-in-one self-improving AI agent in one Rust binary, that can run on your ChatGPT/Codex subscription.

About OpenCrabs
OpenCrabs is an autonomous, self-improving AI agent shipped as a single Rust binary: it builds apps, manages files, does deep research and schedules tasks, and reaches you on every channel. It supports many providers, and its Codex CLI provider uses your ChatGPT/Codex subscription with no API key and no API charges by spawning the local codex binary.
Can you use your ChatGPT plan in OpenCrabs?
Yes. Your ChatGPT/Codex subscription, via the local Codex CLI. OpenCrabs's own page says: "Use your ChatGPT/Codex subscription — no API key, no API charges."
How to connect your plan
ChatGPT Plus or Pro
- Sign in to the Codex CLI, then pick the Codex CLI provider.


