# Knackbox > Open, auditable library of Agent Skills (SKILL.md) for Claude Code, Codex, Cursor, OpenCode, and any runtime that loads the Agent Skills format. Knackbox ranks skills with independent measurement columns (trigger accuracy, quality uplift, context cost) and ships every skill with a benchmark suite. Source of truth is the GitHub repository; this site is a static catalog. ## Site - Home: https://knackbox.pages.dev/ - Skill leaderboard: https://knackbox.pages.dev/skills/ - Starter packs: https://knackbox.pages.dev/packs/ - Install docs: https://knackbox.pages.dev/docs/ - Metrics methodology: https://knackbox.pages.dev/docs/metrics/ - Contribute: https://knackbox.pages.dev/contribute/ - Machine-readable catalog: https://knackbox.pages.dev/catalog.json - Starter packs JSON: https://knackbox.pages.dev/packs.json ## Repository - GitHub: https://github.com/shinzoxD/knackbox - License: Apache-2.0 - Skills tree: https://github.com/shinzoxD/knackbox/tree/main/skills ## Install ```bash npx skills add shinzoxD/knackbox --skill commit-messages ``` Dependency-free: ```bash curl -fsSL https://raw.githubusercontent.com/shinzoxD/knackbox/main/install.sh | bash -s commit-messages ``` ## Categories coding, data, documents, productivity, research, writing ## Optional - Sitemap: https://knackbox.pages.dev/sitemap-index.xml - Full skill pages follow `/skills/{category}/{name}/`