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

8237entries
★ starsA–Z name

anthropic-proxy-rs

81
@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 Jul 2026

bridge4simulator

81
@AppGram

An MCP (Model Context Protocol) server that enables AI assistants to control iOS Simulator. Seamlessly integrates with Claude Desktop, Cursor, Claude Code, and other MCP-compatible clients.

updated May 2026

openclaw-manager-plugin

81
@ClariSortAi

Claude Code plugin for intelligent OpenClaw installation, configuration, and management

updated Jun 2026

remotion-superpowers

81
@DojoCodingLabs

🎬 Claude Code plugin — full video production studio for Remotion. AI voiceovers, music, stock footage, image/video generation, TikTok captions, 3D, transitions & AI review loop. 5 MCP servers, 13 commands. Free & open source by Dojo Coding.

updated Jul 2026

kinocut

81
@KyaniteLabs

Guardrailed video editing MCP server for AI agents. FFmpeg, Hyperframes, repurposing tools, Python client, and CLI. Local, fast, free.

updated Jul 2026

ai-forge-mcp

81
@HurtzDonutStudios

565 AI-callable tools across 16 MCP servers. Full-pipeline AAA game asset production. Controls Blender, Substance Suite, Maya, Houdini, and Unreal Engine 5. 50 specialized AI agents. One prompt in, game-ready asset out.

updated Jul 2026

founder-marketing-skills

81
@ScaleBrick

Open-source marketing skills for founders. Keyword research, growth strategy, social search audit, competitor analysis. Install with npx skills.

updated Jul 2026

bricks-mcp-open

81
@developer2013

The most comprehensive open-source MCP server for Bricks Builder — 105 tools for pages, templates, styles, SEO, content, and more.

updated Jul 2026

claude-plugins

80
@BankrBot

Public Claude Code plugins for Web3 development with Bankr's multi-chain DeFi infrastructure.

updated Jun 2026

kode-sdk-csharp

80
@JinFanZheng

Kode Agent SDK for .NET - Event-driven AI Agent runtime supporting Anthropic Claude and OpenAI GPT models with tool calling, state management, and event streaming

updated Jul 2026

rune

80
@Rune-kit

Less skills. Deeper connections. A lean, interconnected skill ecosystem for Claude Code.

updated Jul 2026

agent-lsp

80
@blackwell-systems

MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

updated Jul 2026

claude-image

80
@jiangmuran

教 Claude Code/Codex 真正用好 gpt-image-2 的 skill 包 · Drop-in skill teaching agents to actually use GPT Image 2 — intent-first prompting, surgical edits, parallel batching, visual self-verification

updated Jul 2026

cybrix-skills

80
@cybrixcc

Claude Code skills for Cybrix — install via "claude plugin marketplace add cybrixcc/cybrix-skills". Open-source skills paired with the Cybrix hosted backend.

updated Jul 2026

cc-equity-research

80
@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 Jul 2026

mcp-llm

79
@sammcj

An MCP server that provides LLMs access to other LLMs

updated Jul 2026

claude-plugins

79
@2389-research

28 plugins and MCP servers for Claude Code — TDD, multi-agent orchestration, iterative refinement, binary RE, structured decisions. Install any skill in one command.

updated Jul 2026

claude-code-toolkit

79
@stefan-jansen

Superseded by coding-agent-toolkit — see README. Preserved for reference: Claude-Code-only patterns from earlier iteration.

updated Jul 2026

agents

79
@amtiYo

One .agents source of truth to sync MCP servers, skills, and instructions across Codex, Claude Code, Gemini CLI, Cursor, Copilot, and Antigravity.

updated Jul 2026

-awesome-cc-harness

79
@WanLanglin

Reverse-engineering Claude Code's 512K LOC TypeScript source: agent loop, tool system, permission model, Grove training pipeline, anti-distillation defense

updated Jul 2026

Kagi-Session2API-MCP

79
@KSroido

Free Kagi Search MCP server — access search and summarizer via session tokens, no API key needed. Works with Claude Desktop, Cursor, Windsurf, Hermes and any MCP client.

updated Jun 2026

search-server

78
@fengin

一个基于MCP协议的搜索服务实现,提供网络搜索和本地搜索功能,Cursor和Claude Desktop能与之无缝集成。

updated Jun 2026

bing-search-mcp

78
@leehanchung

MCP Server for Bing Search API

updated Jul 2026

claude-context-optimizer

78
@egorfedorov

Claude Code plugin that tracks token usage, identifies wasted context, and saves 30-50% on API costs. Heatmaps, ROI reports, budget alerts, efficiency scores, git-aware suggestions — all local, zero config.

updated Jul 2026
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