MCP.so

Composio

Tool integrations for AI agents: connect 250+ apps with managed auth via one SDK or MCP.

Skills.sh

An open registry and leaderboard of agent skills for Claude Code, Codex, Cursor and more.

Anthropic Skills

Anthropic's official library of ready-made skills for Claude and Claude Code.

Smithery

A registry of thousands of MCP servers to extend your AI agents with new tools.

PulseMCP

Browse and track the MCP ecosystem: servers, clients and weekly ecosystem news.

Glama

An MCP directory and gateway with hosted, inspectable and ranked servers.

MCP Market

A marketplace for discovering MCP servers organized by app and use case.

Cursor Directory

Community rules, MCP servers and skills for Cursor, browsable by framework.