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

8281entries
★ starsA–Z name

claude-extensions

★ 3
@claude-contrib

Hooks, context rules, and session automation for Claude Code — applied automatically, every session.

updated Oct 2026

azure-gpt-proxy

★ 3
@InCerryGit

A lightweight .NET proxy that routes Anthropic Claude Code Messages API to Azure OpenAI (chat/completions & responses), with SSE streaming, tool calls, and Cursor compatibility.

updated Feb 2026

marketplace

★ 3
@Mearman

Plugin marketplace distributing extensions that add skills, commands, hooks and custom agents to the code environment.

updated Jul 2026

claude_api_cookbook

★ 3
@ArchieCur

A comprehensive cookbook of Python examples and patterns for building applications with the Anthropic Claude API. Covers prompting, tool use, RAG systems, agents, workflows, and more - from basics to production-ready implementations.

updated Jun 2026

10x-browser-extension

★ 3
@10x-Anit

Universal browser extension for Claude Code automation. Control any website via WebSocket. Supports LinkedIn, Instagram, Twitter, Google + universal DOM manipulation.

updated Mar 2026

refined-claude-code-on-the-web

★ 3
@pisrcio

A Chrome extension to enhance the Claude Code on the web experience with improved code editing capabilities.

updated Apr 2026

claude-task-manager

★ 3
@devgonzui-ai

Task management extension for Claude Code with archiving and history

updated Jul 2026

bearly

★ 3
@beorn

Claude Code plugins and extensions

updated Oct 2026

who-ran-what

★ 3
@mylee04

track your agents, skills, and tools usage - Analytics dashboard for Claude Code, Gemini CLI, Codex CLI, and OpenCode

updated May 2026

forkoff-cli

★ 3
@Forkoff-app

Monitor, approve, and control Claude Code sessions from your phone. Real-time AI coding session monitoring, interactive tool approvals, and usage analytics — end-to-end encrypted.

updated Sep 2026

jettyio-skills

★ 3
@jettyio

Build, run, and monitor AI/ML workflows from any agent. MCP server extension for Claude Code, Gemini CLI, Cursor, VS Code Copilot, and more.

updated Oct 2026

dchub-mcp-server

★ 3
@azmartone67

DCPI (Data Center Power Index): a daily score of where data centers can get grid power, across 300+ markets. Live power-grid, energy, queue, fiber, gas & M&A data for AI agents: 94 tools, global facility map, 1,700+ tracked M&A deals. Capacity to buy or lease via source_capacity. Remote MCP at dchub.cloud/mcp. Query & cite (CC-BY-4.0).

updated Oct 2026

robyn-config-skills

★ 3
@Lehsqa

⚡ Skill-based Claude Code extension layer for robyn-config that adds structured capabilities, generators, and reusable backend patterns for fast Robyn project development.

updated May 2026

ai-claude-agent-sdk-skills

★ 3
@botextractai

Skills and Agents with the Anthropic Claude Agent SDK

updated Oct 2026

limitai

★ 3
@worktoolai

CLI tool that monitors LLM rate limit utilization across Claude, Codex, and CLIProxyAPI — see how much of your paid quota you're actually using

updated Feb 2026

claude-pager

★ 3
@danielbowne

Lloyd Pager 3000 — ESP32 touchscreen status display for Claude Code. Approve/deny tool calls from anywhere with WiFi.

updated May 2026

claude-code-skills

★ 3
@Nembie

Reusable skills and intelligent agents for Claude Code. Production-grade, self-verifying, configurable.

updated Feb 2026

RetinaTag

★ 3
@LeVarP

RetinaTag — Web-based OCT B-Scan labeling tool for retinal image analysis. Keyboard-first interface for efficient annotation of optical coherence tomography scans as healthy/unhealthy. Built with FastAPI, React/TypeScript, and SQLite. All code was generated automatically using Claude Code (Anthropic).

updated Jul 2026

ccpkg

★ 3
@zircote-plugins

Open packaging format for AI coding assistant extensions -- one archive installs skills, agents, MCP servers, and hooks across any compatible tool.

updated Jul 2026

bastion-mcp-server

★ 3
@bastionfintech-spec

Risk Intelligence MCP Server for Crypto Agents | 52 tools, 560+ signals, 72B AI model

updated May 2026

claude-skills

★ 3
@zacklecon

⚙️ Build and deploy 66 versatile Claude AI skills and 9 workflows designed to enhance productivity for full-stack developers.

updated Oct 2026

IDE-Adapter

★ 3
@godstale

IDEA (Integrated Development Environment Adapter) is a VS Code extension that exposes IDE features — such as those in VS Code, Cursor, and Antigravity — to CLI-based tools like Claude CLI.

updated Mar 2026

ouroboros

★ 3
@ourostack

TypeScript harness for building personal AI agents with durable memory — agents that live across your channels (CLI, Teams, iMessage, mail, voice), use real tools, and stay coherent across turns. The runtime behind @ouro.bot.

updated Oct 2026

Claude-consciousness-skills

★ 3
@ashrafkahoush-ux

Research-backed Claude Skills for structured thinking — consciousness-council, dhdna-profiler, what-if-oracle

updated Jun 2026
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