Computer use and plugins only work when another Codex or Claude desktop app is installed
Maintainers usually reply within 1 day
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 35/100
- Issue type
- Feature
- Clarity
- Clearly specified
- Activity status
- Active
- Tech stack
- electron, macos, typescript
Research direction
Start by tracing the Codex binary, bundled plugin and computer use discovery paths described in the issue, including the shared CODEX_HOME handling. Then inspect Settings → Skills & plugins and the equivalent Claude capability paths. Define a clean macOS account setup and verify computer use and the documents, PDF and spreadsheets plugins still work after the other app is removed.
Written by the indexing model from the issue text.
Description
Problem
Computer use and the bundled plugins (documents, pdf, spreadsheets, presentations, visualize, browser and others) only work if another Codex-based desktop app is installed. On a machine without one, they're missing or broken.
Cause
Muster ships none of these itself. It borrows them from what that other app installed:
- the
codexbinary: falls back to/Applications/{ChatGPT,Codex}.app/Contents/Resources/codex-cli/bin/codex - bundled plugins:
~/.codex/plugins/cache/openai-bundled/*, populated by that app (itsContents/Resources/plugins) - computer use:
~/.codex/computer-use/Codex Computer Use.app, plus[plugins."computer-use@openai-bundled"]in the shared~/.codex/config.toml
The same applies to capabilities taken from the Claude app.
Expected
- Muster installs or ships the Codex runtime, computer use and its core plugins on its own, so they work on a clean Mac.
- If another app's copy exists, Muster may reuse it, but never needs it.
- Settings → Skills & plugins shows where each capability comes from and offers a one-click install when it's missing.
Acceptance
- On a clean macOS user account without any other Codex-based or Claude app installed, a new chat can use computer use and the documents/pdf/spreadsheets plugins.
- Removing the other app afterwards doesn't break them.
Related: the shared CODEX_HOME issue.
- Dominant language
- TypeScript
- Stars
- 3
- Forks
- 0
- Avg merge
- 17h 33m
- Merged PRs (30d)
- 163
Getting set up
- No Dockerfile or Docker Compose file
- Has a pull request template
- Read the contributing guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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