Skill Installer
Helps install skills. By default these are from https://github.com/openai/skills/tree/main/skills/.curated, but users can also provide other locations.
Use the helper scripts based on the task:
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List curated skills when the user asks what is available, or if the user uses this skill without specifying what to do.
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Install from the curated list when the user provides a skill name.
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Install from another repo when the user provides a GitHub repo/path (including private repos).
Install skills with the helper scripts.
Communication
When listing curated skills, output approximately as follows, depending on the context of the user's request: """ Skills from {repo}:
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skill-1
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skill-2 (already installed)
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... Which ones would you like installed? """
After installing a skill, tell the user: "Restart Codex to pick up new skills."
Scripts
All of these scripts use network, so when running in the sandbox, request escalation when running them.
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scripts/list-curated-skills.py (prints curated list with installed annotations)
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scripts/list-curated-skills.py --format json
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scripts/install-skill-from-github.py --repo <owner>/<repo> --path <path/to/skill> [<path/to/skill> ...]
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scripts/install-skill-from-github.py --url https://github.com/<owner>/<repo>/tree/<ref>/<path>
Behavior and Options
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Defaults to direct download for public GitHub repos.
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If download fails with auth/permission errors, falls back to git sparse checkout.
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Aborts if the destination skill directory already exists.
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Installs into $CODEX_HOME/skills/<skill-name> (defaults to ~/.codex/skills ).
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Multiple --path values install multiple skills in one run, each named from the path basename unless --name is supplied.
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Options: --ref <ref> (default main ), --dest <path> , --method auto|download|git .
Notes
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Curated listing is fetched from https://github.com/openai/skills/tree/main/skills/.curated via the GitHub API. If it is unavailable, explain the error and exit.
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Private GitHub repos can be accessed via existing git credentials or optional GITHUB_TOKEN /GH_TOKEN for download.
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Git fallback tries HTTPS first, then SSH.
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The skills at https://github.com/openai/skills/tree/main/skills/.system are preinstalled, so no need to help users install those. If they ask, just explain this. If they insist, you can download and overwrite.
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Installed annotations come from $CODEX_HOME/skills .