116 documented

Skills · plugins · MCP · rules114 official

Which agent do you use?

Pick your host to see what plugs into it. Every entry is documented from its official repository or docs, with install steps, permissions and limits.

Claude Code84 extensions OpenAI Codex14 extensions

Cursor32 extensions Windsurf14 extensions

Gemini CLI9 extensions

GitHub Copilot1 extensions Any MCP client46 extensions

Skill · 19Reusable instructions and scripts the agent loads for a taskAlgorithmic Art, brand-guidelines, Canvas Design… Plugin · 42Bundles of skills, commands, hooks and agentsAgent SDK Development Plugin, C# LSP, clangd LSP… MCP server · 49Connect the agent to tools, data and servicesApify MCP Server, Atlassian Rovo MCP Server, AWS API MCP Server… Rules & instructions · 6Project instructions the agent reads every sessionAGENTS.md, CLAUDE.md, Cursor Rules…

MCP servers for Claude Code and Cursor Claude Code plugins and marketplace Claude Code skills Cursor rules What is an MCP server? A plain explanation for 2026

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Plugin

Cursor Plugins and Marketplace

by Cursor (Anysphere)

Cursor Plugins bundle skills, MCP servers, rules, agents, commands and hooks; official ones are listed in the Cursor Marketplace.

Does: 5 things
Install: 4 steps
Works with: Cursor

Plugin Apache-2.0

Gemini CLI Extensions

by Google

Gemini CLI extensions package prompts, MCP servers, commands, themes, hooks, sub-agents and skills; installed from GitHub.

Does: 5 things
Install: 4 steps
Works with: Gemini CLI