Plugin Apache-2.0
MCP Server Dev
by Anthropic
Three skills for designing and building MCP servers: remote HTTP, MCP apps with UI widgets, and MCPB packaging.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code
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…
84 extensions · Clear filters
Plugin Apache-2.0
MCP Tunnels
by Anthropic
Walks you through connecting Claude to a private MCP server via an Anthropic MCP tunnel using Docker Compose.
- Does
- 6 things
- Install
- 5 steps
- Works with
- Claude Code
mcp-builder
by Anthropic
Guide for building high-quality MCP servers in Python (FastMCP) or Node/TypeScript so LLMs can use external APIs.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
MCP server CC-BY-4.0
Microsoft Learn MCP Server
by Microsoft
Free remote MCP server giving AI assistants search and fetch access to official Microsoft Learn docs and code samples.
- Does
- 5 things
- Install
- 4 steps
- Works with
- 6 hosts
MCP server MIT
n8n-MCP
by Romuald Czlonkowski
Community MCP server giving AI assistants n8n node docs, templates and workflow management tools.
- Does
- 4 things
- Install
- 4 steps
- Works with
- 5 hosts
MCP server MIT
Neon MCP Server
by Neon
Neon's official MCP server: manage Neon Postgres projects, branches, schemas and migrations, and run queries in natural language.
- Does
- 5 things
- Install
- 4 steps
- Works with
- 3 hosts
MCP server MIT
Perplexity API Platform MCP Server
by Perplexity
Official Perplexity MCP server: web search, quick answers, reasoning and deep research via the Perplexity API.
- Does
- 4 things
- Install
- 4 steps
- Works with
- 4 hosts
Plugin Apache-2.0
PHP LSP (Intelephense)
by Anthropic
PHP (Intelephense) language server for Claude Code: code intelligence and diagnostics for .php files.
- Does
- 3 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
Playground
by Anthropic
Creates self-contained HTML playgrounds with controls, live preview and a copyable prompt output.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code
Playwright MCP
by Microsoft
Microsoft's MCP server for browser automation through Playwright accessibility snapshots, no vision model needed.
- Does
- 5 things
- Install
- 5 steps
- Works with
- 5 hosts
Plugin Apache-2.0
plugin-dev
by Anthropic
Toolkit with 7 skills and /plugin-dev:create-plugin for building Claude Code plugins.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
MCP server MIT
PostHog MCP
by PostHog
PostHog's official hosted MCP server: analytics, SQL, feature flags, experiments and error tracking from your AI agent.
- Does
- 5 things
- Install
- 4 steps
- Works with
- 5 hosts
Plugin Apache-2.0
pr-review-toolkit
by Anthropic
Six review agents: comments, tests, error handling, type design, code quality, simplification.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
Project Artifact
by Anthropic
Builds and publishes a living tabbed status page for a multi-workstream project, refreshed to the same URL.
- Does
- 5 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
Pyright LSP
by Anthropic
Python (Pyright) language server for Claude Code: code intelligence and diagnostics for .py files.
- Does
- 3 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
ralph-loop
by Anthropic
Self-referential loops via a Stop hook: same prompt repeated until a completion promise.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
rust-analyzer LSP
by Anthropic
Rust language server for Claude Code: code intelligence and diagnostics for .rs files.
- Does
- 3 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
security-guidance
by Anthropic
Security review for Claude-written code: pattern warnings, LLM diff review on Stop, agentic commit review.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Sentry MCP Server
by Sentry
Sentry's MCP service for coding agents: inspect errors, issues, traces and performance from Cursor, Claude Code and others.
- Does
- 5 things
- Install
- 4 steps
- Works with
- 3 hosts
Plugin Apache-2.0
Session Report
by Anthropic
Generates an explorable HTML report of Claude Code token, cache and subagent usage from local transcripts.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code