Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8240entries
★ starsA–Z name

LLM-Agents-Ecosystem-Handbook

533
@oxbshw

One-stop handbook for building, deploying, and understanding LLM agents with 60+ skeletons, tutorials, ecosystem guides, and evaluation tools.

updated Jul 2026

butterbase-skills

533
@butterbase-ai

Plugin for Butterbase.ai

updated Jul 2026

n8n-workflow-builder

532
@makafeli

AI assistant integration for n8n workflow automation through Model Context Protocol (MCP). Connect Claude Desktop, ChatGPT, and other AI assistants to n8n for natural language workflow management.

updated Jul 2026

life-sciences

532
@anthropics

Repo for the Claude Code Marketplace to use with the Claude for Life Sciences Launch. This will continue to host the marketplace.json long-term, but not the actual MCP servers.

updated Jul 2026

concierge

532
@concierge-hq

🚀 Universal SDK for building next-gen MCP servers

updated Jul 2026

Claude_skills_zh-CN

530
@LeastBit

Anthropics/skills中文学习版本 来自:https://github.com/anthropics/skills

updated Jul 2026

speak-human-tw

530
@Raymondhou0917

「說人話」:繁體中文的去 AI 味改寫 skill。抓 38 種 AI 寫作痕跡,順手校正中國用語與半形標點,給 Claude Code / Codex / Cursor 用。

updated Jul 2026

claude-plugins

528
@Kamalnrf

Lightweight registry to discover, install, and manage all public Claude plugins and agent skills for your favourite AI coding agent.

updated Jul 2026

claude-dashboard

528
@uppinote20

Comprehensive status line plugin for Claude Code with context usage, API rate limits, and cost tracking

updated Jul 2026

skill.color-expert

528
@meodai

Agent skill for color science expertise. Many references covering color spaces, accessibility (APCA, WCAG), palette generation, pigment mixing, and historical color theory. Works with Claude Code, Codex, Cursor, Copilot & others.

updated Jul 2026

claw-orchestrator

527
@Enderfga

Run Claude Code, Codex, Gemini, Cursor Agent and custom coding CLIs as one unified runtime for claw-style agent systems. Runs standalone, with first-class OpenClaw plugin support.

updated Jul 2026

mckinsey-pptx

527
@seulee26

McKinsey-style PPTX generator — Claude Code plugin with 40 slide templates + subagent that picks the right template and defends its choice. Built by AX Labs (이승필).

updated Jul 2026

chorus

526
@chorus-codes

Multi-LLM peer review for code decisions. Bring your own CLI; Chorus convenes 2-4 other LLMs to review the work before you ship.

updated Jul 2026

claude-brain

525
@memvid

Give Claude Code photographic memory in ONE portable file. No database, no SQLite, no ChromaDB - just a single .mv2 file you can git commit, scp, or share. Native Rust core with sub-ms operations.

updated Jul 2026

claude-token-optimizer

524
@nadimtuhin

Optimize token usage for Claude API calls

updated Jul 2026

unifi-mcp

523
@sirkirby

MCP servers for the UniFi suite of applications, Network, Protect, Access, and Drive

updated Jul 2026

smart-illustrator

522
@axtonliu

AI-powered article illustrations with intelligent position detection and cover learning system. Claude Code Skill.

updated Jul 2026

claude-code-sub-agent-collective

521
@vanzan01

🧠 Context Engineering Research - Not just another agent collection, but using research and context engineering to function as a collective. Hub-and-spoke coordination through Claude Code.

updated Jul 2026

claude-architect-exam-prep

519
@avidevelops
updated Jul 2026

claude-code-mux

517
@9j

High-performance AI routing proxy built in Rust with automatic failover, priority-based routing, and support for 15+ providers (Anthropic, OpenAI, Cerebras, Minimax, Kimi, etc.)

updated Jul 2026

Claude-Code-Projects-Index

516
@danielrosehill

An index of my Claude Code related repos including a wide variety of starter templates for using Claude Code for common and more imaginative purposes!

updated Jul 2026

claude-code-apple-skills

516
@rshankras

Claude Code skills for Apple platform development (iOS, macOS, iPadOS) — product validation, code generation, App Store optimization, and more

updated Jul 2026

DeepPaperNote

516
@917Dhj

DeepPaperNote is an agent skill for deep-reading a single paper and generating high-quality Obsidian-style research notes. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

updated Jul 2026

claude-code-skills

515
@levnikolaevich

18 standalone skills for Claude Code and Codex: review, audit, optimization, testing, product discovery, and safe repository publishing.

updated Jul 2026
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