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

109 extensions · Clear filters

Skill Proprietary (LICENSE.txt in skill folder

pdf

by Anthropic

Read, extract, merge, split, rotate, watermark, create, fill, encrypt and OCR PDF files.

Does: 3 things
Install: 4 steps
Works with: Claude Code

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

MCP server

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

Postgres MCP Pro

by Crystal DBA

Postgres MCP server with index tuning, explain plans, health checks and a restricted read-only mode.

Does: 5 things
Install: 4 steps
Works with: Any MCP client

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

Skill Proprietary (LICENSE.txt in skill folder

pptx

by Anthropic

Create, read, edit .pptx/.potx decks: templates, layouts, speaker notes, comments, split and combine.

Does: 3 things
Install: 4 steps
Works with: Claude Code

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

Receipts

by Anthropic

Generates a local Claude Code impact report from your own session transcripts: what shipped, by project.

Does: 5 things
Install: 4 steps
Works with: Claude Code

MCP server MIT

Redis MCP Server

by Redis

Official Redis MCP server: lets AI agents read, write and search Redis data (strings, hashes, streams, JSON, vectors).

Does: 6 things
Install: 4 steps
Works with: Any MCP client

Plugin Apache-2.0

Ruby LSP

by Anthropic

Ruby language server for Claude Code: code intelligence and diagnostics for .rb files.

Does: 3 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

MCP server

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

MCP server MIT

Sequential Thinking MCP Server

by Model Context Protocol

Reference MCP server with one tool for step-by-step reasoning that can revise and branch thoughts.

Does: 5 things
Install: 4 steps
Works with: Any MCP client

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

MCP server ISC

Shopify Dev MCP

by Shopify

Shopify's local Dev MCP server: search Shopify docs and API schemas and validate GraphQL, Liquid and extension code.

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

Skill

skill-creator

by Anthropic

Create, edit and benchmark skills: draft, run test prompts, review results, and optimize descriptions for triggering.

Does: 4 things
Install: 4 steps
Works with: Claude Code

Skill Apache-2.0

Slack GIF Creator

by Anthropic

Toolkit and guidance for making animated GIFs that meet Slack size limits, built with Python and PIL.

Does: 5 things
Install: 4 steps
Works with: Claude Code