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.

107 extensions · Clear filters

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

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

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

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

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

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-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

Stripe MCP Server

by Stripe

Stripe's MCP server to call Stripe APIs from AI agents, hosted at mcp.stripe.com or run locally with npx.

Does
5 things
Install
4 steps
Works with
Any MCP client, Gemini CLI