anthropics

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79 open-source plugins by this GitHub creator are indexed, with 3680245 combined stars.

plugins: 79
stars: 3.7M
skills: 232
MCP servers: 147

Last source update: yesterday

agent-sdk-dev
by Ashwin Bhat
Claude Agent SDK Development Plugin
Claude Code
143.5kUpdated 2 days ago
claude-opus-4-5-migration
by William Hu
Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.
Claude Code1 Skill
143.5kUpdated 2 days ago
code-review
by Boris Cherny
Automated code review for pull requests using multiple specialized agents with confidence-based scoring
Claude Code
143.5kUpdated 2 days ago
commit-commands
by Anthropic
Streamline your git workflow with simple commands for committing, pushing, and creating pull requests
Claude Code
143.5kUpdated 2 days ago
explanatory-output-style
by Dickson Tsai
Adds educational insights about implementation choices and codebase patterns (mimics the deprecated Explanatory output style)
Claude Code
143.5kUpdated 2 days ago
feature-dev
by Sid Bidasaria
Comprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review
Claude Code
143.5kUpdated 2 days ago
frontend-design
by Prithvi Rajasekaran, Alexander Bricken
Frontend design skill for UI/UX implementation
Claude Code1 Skill
143.5kUpdated 2 days ago
hookify
by Daisy Hollman
Easily create hooks to prevent unwanted behaviors by analyzing conversation patterns
Claude Code
143.5kUpdated 2 days ago
learning-output-style
by Boris Cherny
Interactive learning mode that requests meaningful code contributions at decision points (mimics the unshipped Learning output style)
Claude Code
143.5kUpdated 2 days ago
pr-review-toolkit
by Daisy
Comprehensive PR review agents specializing in comments, tests, error handling, type design, code quality, and code simplification
Claude Code
143.5kUpdated 2 days ago
ralph-wiggum
by Daisy Hollman
Implementation of the Ralph Wiggum technique - continuous self-referential AI loops for interactive iterative development. Run Claude in a while-true loop with the same prompt until task completion.
Claude Code
143.5kUpdated 2 days ago
security-guidance
by David Dworken
Security review for Claude-generated code. Pattern-based warnings on edits, LLM-powered diff review on Stop, and an agentic commit reviewer that catches injection, XSS, SSRF, hardcoded secrets, and 25+ other vulnerability classes.
Claude Code
143.5kUpdated 2 days ago
agent-sdk-dev
by Anthropic
Claude Agent SDK Development Plugin
Claude Code
35.6kUpdated yesterday
asana
by Asana
Asana project management integration. Connects Claude Code to Asana's V2 MCP server (https://mcp.asana.com/v2/mcp) to create and manage tasks, search projects, update assignments, and track progress. Requires a one-time setup of your own Asana OAuth app — run /asana-setup after installing.
Claude Code
35.6kUpdated yesterday
claude-code-setup
by Anthropic
Analyze codebases and recommend tailored Claude Code automations such as hooks, skills, MCP servers, and subagents.
Claude Code1 Skill
35.6kUpdated yesterday
claude-md-management
by Anthropic
Tools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.
Claude Code1 Skill
35.6kUpdated yesterday
claude-security
by Anthropic
Deep vulnerability scanning of your own code, run entirely inside your Claude Code session at a chosen effort tier, with every finding challenged before it is reported and the verification tally computed in code. Turns surviving findings into targeted patches, each verified by a panel of agents, that you apply when you choose. See the plugin README for the tiers, the report format, and the trust model.
Claude Code1 Skill
35.6kUpdated yesterday
code-modernization
by Anthropic
Modernize legacy codebases (COBOL, legacy Java/C++/.NET, monolith web apps) with a structured preflight / assess / map / extract-rules / brief / (reimagine | transform | uplift) / harden / status workflow. Cross-stack rewrites, greenfield reimagining, and same-stack version uplifts (e.g. .NET Framework → .NET 8); an interactive topology viewer; specialist agents; and optional dynamic-workflow orchestration with adversarial verification.
Claude Code
35.6kUpdated yesterday
code-review
by Anthropic
Automated code review for pull requests using multiple specialized agents with confidence-based scoring
Claude Code
35.6kUpdated yesterday
code-simplifier
by Anthropic
Agent that simplifies and refines code for clarity, consistency, and maintainability while preserving functionality
Claude Code
35.6kUpdated yesterday
commit-commands
by Anthropic
Streamline your git workflow with simple commands for committing, pushing, and creating pull requests
Claude Code
35.6kUpdated yesterday
context7
by Upstash
Upstash Context7 MCP server for up-to-date documentation lookup. Connects to Context7's hosted remote MCP server (https://mcp.context7.com/mcp) — no local Node.js or npx required — to pull version-specific documentation and code examples directly from source repositories into your LLM context. Works anonymously out of the box; set CONTEXT7_API_KEY for higher rate limits.
Claude Code1 MCP serverStreamable HTTP
35.6kUpdated yesterday
cwc-makers
by Anthropic
Seamless onboarding for the Code-with-Claude Makers Cardputer: one /maker-setup command clones the build-with-claude repo, flashes UIFlow firmware, and installs the Claude Buddy app bundle onto a freshly-plugged-in M5Stack Cardputer-Adv.
Claude Code2 Skills
35.6kUpdated yesterday
discord
Discord channel for Claude Code — messaging bridge with built-in access control. Manage pairing, allowlists, and policy via /discord:access.
Claude Code2 Skills1 MCP serverstdio
35.6kUpdated yesterday