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

mcptools

176
@posit-dev

Model Context Protocol For R

updated May 2026

claude-historian-mcp

176
@Vvkmnn

📜 An MCP server for conversation history search and retrieval in Claude Code

updated May 2026

meridian

176
@markmdev

Zero-config Claude Code setup with enforced task scaffolding, structured memory, persistent context after compaction, plug-in code standards, optional TDD mode, and zero behavior changes for developers.

updated May 2026

x64dbg-skills

176
@dariushoule

Claude Code plugin providing skills for x64dbg debugger automation

updated May 2026

rust-mcp-sdk

175
@rust-mcp-stack

A high-performance, asynchronous toolkit for building MCP servers and clients in Rust.

updated May 2026

mcp-use-ts

175
@mcp-use

mcp-use is the framework for MCP with the best DX - Build AI agents, create MCP servers with UI widgets, and debug with built-in inspector. Includes client SDK, server SDK, React hooks, and powerful dev tools.

updated May 2026

memtrace-public

175
@syncable-dev

Structural memory for AI coding agents. Bi-temporal graph, MCP-native, zero LLM calls. Cursor · Claude Code · Codex · Hermes · VS Code · Windsurf.

updated Jun 2026

awesome-claude-dxt

174
@milisp

Awesome Claude Desktop Extensions (dxt) (not only Claude) mcpb

updated Jun 2026

ai-context

173
@Tanq16

CLI tool to produce MD context files from many sources, to help interact with LLMs (ChatGPT, Llama3, Claude, etc.).

updated May 2026

mcp-victoriametrics

173
@VictoriaMetrics

The implementation of Model Context Protocol (MCP) server for VictoriaMetrics

updated May 2026

mcp-apache-spark-history-server

173
@kubeflow

MCP Server and CLI for Apache Spark History Server. Debug Spark applications from AI agents, scripts, or the terminal.

updated Jun 2026

switch2ai

173
@sinberCS

switch2ai - A JetBrains IDE plugin enabling seamless collaboration between JetBrains IDEs and various AI agents (Cursor, Qoder, Claude code etc.). Key features include instant switching between different AI editors, rapid AI prompt input with AI selection, and fully custom commands with variable support for enhanced AI collaboration workflow.

updated Apr 2026

mcp-server-excel

173
@sbroenne

Excel MCP Server & CLI - 23 tools, 214 operations for AI-powered Excel automation via COM API

updated May 2026

claude-heartbeat

173
@Siigari

Keep Claude Code alive and autonomous without -p. Heartbeat hook + inbox/outbox pattern.

updated May 2026

agentql-mcp

172
@tinyfish-io

Model Context Protocol server that integrates AgentQL's data extraction capabilities.

updated May 2026

mcp-server-starrocks

172
@StarRocks

StarRocks MCP (Model Context Protocol) Server

updated May 2026

mcp-bsl-platform-context

172
@alkoleft

MCP сервер для AI-ассистентов (справка по синтаксису и объектной модели 1С:Предприятие)

updated May 2026

mengram

172
@alibaizhanov

Human-like memory for AI agents — semantic, episodic & procedural. Experience-driven procedures that learn from failures. Free API, Python & JS SDKs, LangChain, CrewAI & OpenClaw integrations.

updated Jun 2026

soft-ue-cli

172
@softdaddy-o

Python CLI + UE plugin that lets Claude Code (AI coding agent) control Unreal Engine in real time. Spawn actors, edit blueprints, call functions, capture screenshots, manage PIE sessions, and more -- all from the terminal. Works with UE5 editor and packaged builds via an in-process HTTP bridge.

updated May 2026

ArcRift

172
@Eshaan-Nair

Persistent local memory layer for AI. ArcRift uses a Chrome extension and a native MCP server to sync context and decisions from your browser chats (Claude, ChatGPT, DeepSeek) straight to your local IDE agents (Cursor, Claude Code, Windsurf) powered by a local SQLite knowledge graph.

updated Jun 2026

instagram_dm_mcp

171
@trypeggy

Instagram Direct messages MCP

updated Jun 2026

openclaw-mcp

171
@freema

🦞 MCP server for OpenClaw - secure bridge between Claude.ai and your self-hosted OpenClaw assistant with OAuth2 authentication

updated Jun 2026

markplane

171
@zerowand01

AI-native, markdown-first project management. Your repo is the project manager.

updated May 2026

ijfw

171
@FerroxLabs

IJFW — It Just F*cking Works. Ferrox Labs' local-first infrastructure for AI coding agents: shared memory, smart routing, multi-AI cross-audits, disciplined workflow.

updated May 2026
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