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What you can do with Codex on Crack

Codex on Crack is a JavaScript package that coordinates your configured AI models from inside Codex, handling planning, delegation, host tool handoffs, and review across workspaces.

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4 use cases

  • Plan a project and agree on which model does each part

    Get a plan, a model recommendation for each part, and your approval before any building starts.

    View prompt
    Using the codex-on-crack package in <project folder>, run the crack-plan skill to list my available models and propose a plan that assigns each phase to a model. Expected output: a written plan with one model recommendation per phase and no code changes. Verify that the plan waits for my approval before any build step begins.
  • Have Opus plan and a native worker build, then review

    Split one assignment so Opus plans and reviews while a configured worker implements it.

    View prompt
    Use the codex-on-crack package in <project folder> to have Opus plan <feature name> and a configured native worker implement it, then return the result to Codex for review. Expected output: a plan, the worker's changes, and a review note from the lead. Verify that the review cites the worker results and host-tool evidence.
  • Build with Opus through Claude Code, then check in Codex

    Let Opus implement a whole assignment, then have the Codex host verify it in the browser.

    View prompt
    With the codex-on-crack package in <project folder>, have Opus 5.5 implement <assignment> through Claude Code, then ask the Codex host to open the result in the browser and report any problems. Expected output: the implementation plus a browser check summary. Verify that the browser evidence comes from the Codex host, not from the Claude session.
  • Follow and review agent work in the Codex on Crack panel

    Watch phases, handoffs, and tool activity, then leave feedback without interrupting the agent.

    View prompt
    Connect the workspace at <workspace path> to the Codex on Crack panel and list its registered phases, agents, and handoffs. Expected output: a summary of the run with timing and available token counters, with missing values shown as unknown. Verify that no feedback has been treated as approval.

How to use Codex on Crack

  1. Check you have what it needs: Node.js 24.15 or newer; A Codex client with plugin support; Model access you already have, and a compatible configured route for native workers.
  2. Open ethanplusai/codex-on-crack on GitHub and read the README and license.
  3. Run codex plugin marketplace add "$PWD" from this checkout in a stable folder.
  4. Run codex plugin add codex-on-crack@codex-on-crack.
  5. Start a fresh Codex conversation and ask it to help plan the project, check which models are available, and recommend who should do what.
  6. Review the proposed plan and the model recommendations, then agree on the plan before asking for implementation.

These steps come from our top use case, Plan a project and agree on which model does each part, which also has a copy-paste agent prompt.

Codex on Crack alternatives · Best AI repos for Software and DevOps

About this repo

  • Who it is forDevelopers who already use Codex and have access to one or more AI models, and who want one model to plan, another to build, and the Codex host to check the result.
  • Why it is hot
  • LanguageJavaScript
  • Sourcegithub.com/ethanplusai/codex-on-crack · Back to Hot repos

Requirements

  • Node.js 24.15 or newer
  • A Codex client with plugin support
  • Model access you already have, and a compatible configured route for native workers
  • The official Claude Code CLI, authenticated through your subscription, for Claude mode
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Questions about Codex on Crack

What is Codex on Crack?

Codex on Crack is a JavaScript package that coordinates your configured AI models from inside Codex, handling planning, delegation, host tool handoffs, and review across workspaces. It is an open-source project on GitHub: https://github.com/ethanplusai/codex-on-crack.

Who is Codex on Crack for?

Developers who already use Codex and have access to one or more AI models, and who want one model to plan, another to build, and the Codex host to check the result.

What can I do with Codex on Crack?

4 use cases so far, for example: Plan a project and agree on which model does each part; Have Opus plan and a native worker build, then review; Build with Opus through Claude Code, then check in Codex. Each has steps and a copy-paste agent prompt.

What do I need to run Codex on Crack?

Node.js 24.15 or newer; A Codex client with plugin support; Model access you already have, and a compatible configured route for native workers; The official Claude Code CLI, authenticated through your subscription, for Claude mode.

What are alternatives to Codex on Crack?

Other hot AI repos in Software and DevOps: Harness2, iFixAi, Orca, Diagram Design, AI Memory.

Is Codex on Crack safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.