Agent Skills Marketplace (SkillsMP)

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Agent Skills Marketplace (SkillsMP) is a marketplace for discovering and sharing open-source AI agent skills. It provides a vast collection of skills compatible with Claude Code, OpenAI Codex CLI, and ChatGPT, all using the open SKILL.md standard.

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At a glance

Pricing

Free

Free tier

Yes

API

Yes

Skill level

Technical

About

What is Agent Skills Marketplace (SkillsMP)?

Agent Skills Marketplace (SkillsMP) is a comprehensive platform designed to help users discover and share high-quality AI agent skills. It aggregates over a million open-source agent skills from GitHub, making it easier for developers, researchers, and hobbyists to find capabilities for their AI coding assistants like Claude Code, OpenAI Codex CLI, and ChatGPT. The platform features AI-powered semantic search, filtering by occupation and category, and quality indicators to streamline the discovery process. SkillsMP emphasizes the open SKILL.md standard, ensuring compatibility across various AI tools. It also offers a REST API for programmatic access to its extensive skill data, including a free tier for anonymous and authenticated users, and supports a 9-language UI.

Best used for

Ideal for developers and data scientists who need to enhance their AI coding assistants, automate development workflows, and integrate specialized domain expertise. Especially valuable for those working with Claude Code, OpenAI Codex CLI, or ChatGPT and seeking an extensive, searchable library of open-source skills.

Common actions

discover AI skills

integrate agent capabilities

automate coding tasks

extend AI assistant functionality

Capabilities

Key features

Browse 1M+ Claude Code skills
AI-powered semantic search
REST API with OpenAPI spec
MCP server
9-language UI

Target Audience

developerdata scientiststartup founder

Integrations

Not yet documented

Pricing & Plans

Free

Not publicly disclosed. Check skillsmp.com for current pricing.

FAQs

What are Agent Skills and how do they differ from slash commands?

Agent Skills are modular capabilities that extend AI coding assistants, consisting of a SKILL.md file with instructions and optional scripts. They are model-invoked, meaning the AI automatically decides when to use them based on context, unlike user-invoked slash commands.

How can I install an agent skill from SkillsMP?

To install an agent skill, you typically clone its GitHub repository and copy the skill folder to your AI assistant's designated skills directory (e.g., ~/.claude/skills/ for Claude Code or ~/.codex/skills/ for OpenAI Codex CLI). The AI then automatically discovers and loads them.

Is SkillsMP affiliated with Anthropic or OpenAI?

No, SkillsMP is an independent community project. It aggregates and showcases agent skills from public GitHub repositories to facilitate discovery. It is not officially affiliated with Anthropic or OpenAI, who maintain their own official documentation and skill resources.

What are the limits for the free API access?

SkillsMP offers a free API tier. Anonymous users can make 50 requests per day for keyword search only. With a free API key, users get 500 requests per day, which includes AI semantic search. Quotas reset daily at midnight UTC.

Are the skills on SkillsMP safe to use?

Skills are sourced from public GitHub repositories. SkillsMP filters for quality (minimum 2 stars) and scans for basic indicators, but users should always review the code before installing, treating community skills like any open-source code.

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