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Cow Skill Hub is an open-source skill marketplace for AI Agents, aggregating official picks, community contributions, and third-party skills from GitHub, ClawHub, and beyond. Source code: github.com/zhayujie/cow-skill-hub

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Features

  • Browse skills — filter by category (Featured / Community / Third-party) and tags
  • Search skills — find skills by name or description
  • View details — read the skill manifest, file contents, install command, and required environment variables
  • One-click install — copy the install command and run it in CowAgent

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Installing a skill

Run the install command in chat or in your terminal: 
/skill install <name>
You can also browse the marketplace directly from chat: 
/skill list --remote
/skill search <keyword>
Beyond the curated list, you can install third-party skills from GitHub, ClawHub, LinkAI, or any URL via the CLI. See Installing skills for details.

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Contributing a skill

To submit your own skill:
  1. Visit skills.cowagent.ai/submit
  2. Sign in with GitHub or Google
  3. Upload a folder or zip file containing SKILL.md
  4. Skill name, display name, and description are auto-detected — adjust as needed
  5. Submit for review; skills go live after security and quality checks
Skill file layout: 
your-skill/
├── SKILL.md        # required, in the root
├── scripts/        # optional, runtime scripts
└── resources/      # optional, additional assets
Skills are built around the SKILL.md manifest. You can also download SKILL.md from a skill’s detail page and use it with any Agent that supports custom instructions (OpenClaw, Cursor, Claude Code, and more).