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

8250entries
★ starsA–Z name

anthropic-proxy-rs

62
@m0n0x41d

A proxy server that intercepts Anthropic API requests and converts them to OpenAI-compatible format, enabling integration with dozens of inference providers such as OpenRouter, Together.ai, Novita AI, and other third-party API services. Primary use cases include Claude Code and other Claude Agent SDK-based tools.

updated May 2026

cc-plugins

62
@modu-ai

Collection of Claude Code plugins for various domains - Auth0 security, MFA, token security, compliance

updated May 2026

ClaudeBot

62
@Jeffrey0117

Not a pipe to Claude. A command center on your phone. — Telegram bot for Claude Code CLI with plugin system, multi-bot, queue, streaming, and hot-reload.

updated Jun 2026

humanizer-skill

62
@Aboudjem

AI writing pattern detector and rewriter. 43 patterns, 5 voices, 0-100 AI-tell score. Pure Markdown, zero dependencies.

updated Jun 2026

pi-claude-cli

62
@rchern

Pi coding agent extension that routes LLM calls through the Claude Code CLI

updated May 2026

social-media-caption-generator-claude

62
@rediumvex

Social media caption generator as a Claude skill — turn any text, script, or screenshot into ready-to-post captions for Instagram Reels, Carousel, TikTok, Threads, Facebook, YouTube Shorts. Algorithm-optimized for shares, saves, and completion rate. Built by @roman.knox (280K+ IG).

updated May 2026

ntfy-me-mcp

61
@gitmotion

An ntfy MCP server for sending/fetching ntfy notifications to self-hosted or ANY ntfy.sh server from AI Agents 📤 (supports secure token auth & more - use with npx or docker!)

updated May 2026

kroger-mcp

61
@CupOfOwls

A FastMCP server that provides AI assistants like Claude with access to Kroger's grocery shopping functionality through the Model Context Protocol (MCP). This server enables AI assistants to find stores, search products, manage shopping carts, and access Kroger's comprehensive grocery data via the kroger-api python library.

updated May 2026

FUTURE_TOKENS

61
@jordanrubin

Composable reasoning skills for Claude - antithesize, excavate, metaphorize, synthesize, and more

updated May 2026

.claude

61
@travisjneuman

The Ultimate Claude Code Toolkit — 127 skills, 86 agents, 109 marketplace repos (11,700+ community skills), 30 commands, 8 hooks, GSD framework. Drop-in ~/.claude config that auto-activates the right resources from your prompt. Zero config required.

updated Jun 2026

beagle

61
@existential-birds

Claude Code plugin marketplace: 145 framework-aware code-review skills plus AI-writing detection, doc and test-plan generation, architectural analysis, and git workflows — for Python, Go, Rust, Elixir, React, Remix, iOS/Swift, and AI frameworks. Installable for Codex and other agents too.

updated May 2026

social-data-analysis

61
@nealcaren

Claude Code plugins for quantitative and qualitative sociological research

updated May 2026

tmux-agent-indicator

61
@accessd

Tmux plugin that gives visual feedback for AI agent states (running/needs-input/done). Supports Claude Code, Codex, and custom agents. Pane borders, window title colors, status bar icons.

updated May 2026

brainstorm-mcp

61
@spranab

MCP server for multi-round AI brainstorming debates between multiple models (GPT, DeepSeek, Groq, Ollama, etc.)

updated May 2026

screaming-frog-mcp

61
@bzsasson

MCP server for Screaming Frog SEO Spider – crawl sites, export data, and manage crawl storage via Claude or any MCP-compatible client

updated Jun 2026

agenticros

61
@agenticros

ROS plugin for OpenClaw, Claude (Code,Desktop,Dispatch), Google Gemini, MCP, etc.

updated Jun 2026

claude-brain

61
@toroleapinc

Sync your Claude Code brain across machines — memory, skills, agents, rules, and settings with intelligent semantic merge. Git-based, auto-sync hooks.

updated May 2026

gsd-plugin

61
@jnuyens

Performance-optimized plugin packaging of GSD (Get Shit Done) for Claude Code. Based on open-gsd/get-shit-done-redux

updated Jun 2026

ai-marketing-claude

61
@rediumvex

Marketing operations toolkit for Claude Code — 12 skills, 5 specialist subagents, and Python scripts for audits, CRO, SEO, copy, emails, ads, and client reports.

updated May 2026

cc-equity-research

61
@prof-little-bear

Turn Claude Code into an equity-research agent: 24 analysis skills (Anthropic's open-source bundle + community), a single data MCP, and a personalization layer for investors at any level.

updated Jun 2026

Claude-Deep-Research

60
@mcherukara

An MCP (Model Context Protocol) server that enables comprehensive research capabilities for Claude

updated May 2026

bad-daves-robot-army

60
@dgriffith

Repository for Claude Code artifacts, including subagents, slash commands, and hooks

updated May 2026

t3router

60
@vibheksoni

Rust library for t3.chat API - Programmatic access to Claude, GPT-4, Gemini, and 50+ AI models. Perfect for building your own AI-powered CLI tools and applications.

updated Jun 2026

odoo-plugins

60
@ahmed-lakosha

Comprehensive Odoo ERP upgrade skill for Claude Code - Automates migrations between Odoo versions 14-19 with pattern detection and fixes

updated May 2026
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