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Codex fixbook

Skill Lceoliu/codex-fixbook/skills/codex-fixbook

Use this skill when a user reports Codex CLI or Codex desktop app failures such as hangs, timeouts, missing MCP tools, or MCP initialization problems.From its SKILL.md

Install
npx -y skills add Lceoliu/codex-fixbook --skill codex-fixbook

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

  • no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
  • 0 stars0 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

SKILL.md

1.4 KB, 303 tokens by cl100k_base, as published. Nobody here has run it

Codex Fixbook

Use this repository as a local troubleshooting knowledge base for Codex CLI and the Codex desktop app.

Data sources

  1. Prefer public/known-issues.json when it exists.
  2. If the generated JSON is missing or stale, read:
    • data/symptoms/*.yaml
    • data/causes/*.yaml
  3. Treat YAML in data/ as the source of truth.

How to answer

When the user reports a Codex problem:

  1. Match the report against symptom titles, search keywords, known offenders, and cause text.
  2. Return the most likely cause first.
  3. Include affected platforms and versions, fixed version if known, diagnosis steps, workaround, and source links.
  4. Do not invent platforms, affects_versions, fixed_in, verification status, or source links.
  5. If there is no match, say that Codex Fixbook does not have a verified entry yet and suggest submitting a GitHub Issue Form with:
    • visible symptom or exact error text
    • platform (macOS, Windows, WSL, or Linux)
    • Codex version
    • diagnosis steps
    • workaround or fix
    • source links

Boundaries

  • V1 covers Codex CLI and the Codex desktop app.
  • Do not treat unverified reports as fixed entries.
  • Keep the answer symptom-first, practical, and platform- and version-aware.

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.

Keep looking

Skills are one crate of 326,144. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.