---
title: "Claude Code Skills, MCP Servers & Marketplaces"
canonical: https://skillselion.com/
content_type: text/markdown
---

# Claude Code Skills, MCP Servers & Marketplaces

> Browse Claude Code skills, MCP servers and marketplaces for Codex and Cursor. Compare installs and GitHub stars, and explore free research datasets.

Skillselion (https://skillselion.com) is an independent, automatically updated directory **and** research organization for the AI agent ecosystem: skills, MCP servers, marketplaces and workflows for Claude Code, Codex, Cursor and other coding agents. Skills are ranked by installs; MCP servers and marketplaces are ranked by GitHub stars. Not affiliated with Anthropic, OpenAI, or Cursor.

## Browse the catalog

- [Agent skills](https://skillselion.com/skills)
- [MCP servers](https://skillselion.com/mcp)
- [Marketplaces](https://skillselion.com/marketplaces)
- [Leaderboard](https://skillselion.com/leaderboard)
- [Comparison shortlists](https://skillselion.com/best)
- [Guides](https://skillselion.com/guides)
- [Research & open datasets](https://skillselion.com/research)

## Machine access

- [Sitemap](https://skillselion.com/sitemap.xml)
- [llms.txt](https://skillselion.com/llms.txt)
- [llms-full.txt](https://skillselion.com/llms-full.txt)
- [Developer resources](https://skillselion.com/developers)
- [OpenAPI spec](https://skillselion.com/openapi.json)
- [MCP handshake](https://skillselion.com/.well-known/mcp)
- [API catalog](https://skillselion.com/.well-known/api-catalog)
- [AI catalog](https://skillselion.com/.well-known/ai-catalog.json)
- [Pricing](https://skillselion.com/pricing.md)
- [Auth](https://skillselion.com/auth.md)
- [AGENTS.md](https://skillselion.com/AGENTS.md)
- [Contact](https://skillselion.com/contact)
- [Home](https://skillselion.com/)

## Install the Skillselion MCP

The published npm package (not a separate CLI product) is `skillselion-mcp`:

```bash
claude mcp add skillselion -- npx -y skillselion-mcp
```

Tools: `search_skillselion`, `load_skill`, `top_skillselion`. Handshake: [/.well-known/mcp](https://skillselion.com/.well-known/mcp). Docs: [https://skillselion.com/developers](https://skillselion.com/developers).