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

8236entries
★ starsA–Z name

nonstop

262
@andylizf

Autonomous work mode for Claude Code. Pre-flight risk assessment, blocker decision framework, session-scoped stop hook.

updated Jun 2026

mcp-dev-latam

261
@codespar

Open-source MCP servers for Latin American commerce — Pix, NF-e, banking, fiscal, logistics, and messaging across Brazil, Mexico, Argentina, Colombia, Chile, and Peru. MIT, on npm.

updated Jul 2026

cryptocurrency.cv

260
@nirholas

Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widgets, ChatGPT plugin, Claude MCP server, SDKs (Python, TypeScript, Go, React, PHP). AI/LLM ready. Vibe coding friendly. Open source.

updated Jul 2026

KARIMO

260
@opensesh

Claude Code harness engineering plugin — plan mode on steroids. Product design-driven agent orchestration with sub-agents and agent teams, tuned for developers and designers shipping real features. Phased adoption from PRD execution to automated review, code review, and CI-friendly agent teams

updated Jul 2026

pixel-plugin

259
@willibrandon

Claude Code plugin for creating pixel art with Aseprite through natural language. Supports animation, retro palettes, dithering, and game engine export.

updated Jul 2026

ai-code-interface.el

258
@tninja

Unified Emacs interface supporting OpenAI Codex, Antigravity CLI, Claude Code, GitHub Copilot CLI, Opencode, and more

updated Jul 2026

Claudest

258
@gupsammy

A highly opinionated plugin marketplace for augmenting your Claude Code. Battle-tested skills and tools that actually work.

updated Jul 2026

robotics-skills-suite

258
@jherrodthomas

76 audit-ready Claude skills automating the industrial robot, cobot, AMR, ROS2, V&V, AI/ML, and IEC 62443 lifecycle. 38 builder + reviewer pairs anchored to ISO 10218, 13849, 62061, 12100, 9283, 15066, 3691-4, and IEC 62443.

updated Jul 2026

claude-paper

257
@alaliqing

📚 Claude Code plugin that automates research papers study with automatic material generation, code demonstrations, and interactive web viewer.

updated Jul 2026

mcpfusion

257
@vinkius-labs

MCP Fusion - The TypeScript framework for secure MCP servers.

updated Jul 2026

api200

256
@API-200

API 200 is an open source API gateway to simplify 3rd-party integrations. Import endpoints, set up caching, retries, and mocks. Access all services via one URL. Monitor logs, track errors, and get alerts on API incidents.

updated Jul 2026

MCP-Defender

256
@MCP-Defender

Desktop app that automatically scans and blocks malicious MCP traffic in AI apps like Cursor, Claude, VS Code and Windsurf.

updated Jul 2026

claude-hooks

256
@lasso-security

Lasso security integrations for Claude Code, including prompt-injection defenses

updated Jul 2026

YourMemory

256
@sachitrafa

Agentic AI memory with Ebbinghaus forgetting curve decay. +16pp better recall than Mem0 on LoCoMo.

updated Jul 2026

universal-examprep-skill

256
@ZeKaiNie

Last-night exam-cram coach as a Claude Agent Skill: turns your slides, notes and past papers into a chaptered knowledge base + quiz bank, teaches only what's in your materials, and never fabricates (measured 100% out-of-scope abstention). Bilingual EN/中文 — the 期末极速备考 skill.

updated Jul 2026

gram

255
@speakeasy-api

Securely scale AI usage across your organization. A single stack to Connect, Secure, Observe and Distribute agents, MCPs, and Skills within your company.

updated Jul 2026

claude-config-editor

255
@gagarinyury

Claude Config Editor is a lightweight web tool that helps you clean and optimize your Claude Code/Desktop config files (.claude.json). Analyze project sizes, bulk delete chat histories, export data for backup, manage servers visually, and speed up Claude—all locally, with auto-backup, no dependencies, and cross-platform support.

updated Jul 2026

design-for-ai

255
@ryanthedev

A Claude Code plugin that teaches visual design — typography, color, composition, proportions, and visual hierarchy

updated Jul 2026

cowork-plugins

254
@modu-ai

모두의 AI (MoAI) — Claude Cowork & Claude Code 한국 실무 도메인 AI 하네스·플러그인 마켓플레이스. 사업계획서·세무·법률·HR·마케팅·커머스·BI·콘텐츠 도메인 스킬·에이전트·워크플로우. Korean B2B + office docs (HWPX/DOCX/XLSX/PPTX/PDF) + AI media (image/video/voice). AI-slop 검수 + humanize-korean 내장.

updated Jul 2026

mcp_chatbot

253
@keli-wen

A chatbot implementation compatible with MCP (terminal / streamlit supported)

updated Jul 2026

ha-mcp-for-xiaozhi

253
@c1pher-cn

Homeassistant MCP server for 小智AI

updated Jul 2026

jebmcp

252
@flankerhqd
updated Jul 2026

mcp-echarts

252
@hustcc

🧬 Generate visual charts using ECharts with AI MCP dynamically, used for chart generation and data analysis.

updated Jul 2026

mcp-engine-public

252
@maxanatsko

The SemanticOps MCP (formerly MCP Engine) is a Power BI tool that lets AI assistants like Claude interact with your Power BI models programmatically: read your model structure, run DAX queries, modify your semantic model, and perform advanced analytics - all through natural conversation.

updated Jul 2026
← PREV01...6364656667...344NEXT →