Agent Skills
Instruction packs that give your AI agent know-how — some work anywhere, some only with the tool they came with.
✦ Standalone skills3,373
Self-contained. Install one into any project and it works on its own — no other software needed.
🧰 Tool add-ons952
Come bundled with a specific tool and only work together with it — they teach your agent how to operate that tool.
Development · Official
5 standalone skillssecurity-ownership-map
✓★ 23,283by openai
Analyze git repositories to build a security ownership topology (people-to-file), compute bus factor and sensitive-code ownership, and export CSV/JSON for graph databases and visualization. Trigger only when the user explicitly wants a security-oriented ownership or bus-factor analysis grounded in git history (for example: orphaned sensitive code, security maintainers, CODEOWNERS reality checks for risk, sensitive hotspots, or ownership clusters). Do not trigger for general maintainer lists or n
using-git-worktrees
✓★ 4,081by openai
Use when starting feature work that needs isolation from current workspace or before executing implementation plans - ensures an isolated workspace exists via native tools or git worktree fallback
security-diff-scan
✓★ 4,081by openai
Use when the user asks for a security review of a pull request, commit, branch diff, working-tree patch, or other Git-backed change set.
commit-message
✓★ 2,713by github
Generate conventional commit messages - use when creating commits, writing commit messages, or asking for git commit help
wiki-changelog
✓★ 2,676by microsoft
Analyzes git commit history and generates structured changelogs categorized by change type. Use when the user asks about recent changes, wants a changelog, or needs to understand what changed in the repository.