Skillbay is listed as Freemium. Check https://skillbay.sh/ for the current plan limits, as vendors change pricing frequently.

Skillbay

Q: What is Skillbay?

Skillbay is a code AI tool listed on Use AI Tools. Skillbay is a curated marketplace of AI agent skills: SKILL.md packages that teach a coding agent how to do a job. Every skill is reviewed by a person and lists before-and-after evidence, showing the same prompt answered without and with the skill. The whole catalogue is available as a JSON API with an OpenAPI 3.1 spec, and there is an MCP server so you can browse and install free skills without signing in.

Q: What is Skillbay best for?

Skillbay is commonly used for Finding agent skills, Comparing before and after, Installing skills over MCP. It supports English.

Code🌱 Beginner✅ Global access

Finding agent skillsComparing before and afterInstalling skills over MCP

FreemiumEnglish

Skillbay is a curated marketplace of AI agent skills: SKILL.md packages that teach a coding agent how to do a job. Every skill is reviewed by a person and lists before-and-after evidence, showing the same prompt answered without and with the skill. The whole catalogue is available as a JSON API with an OpenAPI 3.1 spec, and there is an MCP server so you can browse and install free skills without signing in.

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🎯 Real-World Use Cases

Search Reviewed Skills

Browse categories or run a full-text search for the job you need

See the Same Prompt With and Without

Judge a skill by its before-and-after evidence instead of its description

Install Over MCP

Connect the MCP server and let your agent install a free skill itself

⚖️ Honest Review

✅ Pros

+Every skill is reviewed by a person
+Before-and-after evidence published for each skill
+MCP server plus a public JSON API

⚠️ Cons

−Catalogue size depends on what people submit
−Paid skills require signing in

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CodeOct 19, 2026