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Best MCP Tools & Frameworks

300 open-source MCP tools for developers.Compare tech stacks, licenses and GitHub stars — all in one place.

ECC

MCPMIT

Open-source agent harness performance optimization system with skills, memory, and security for AI coding tools.

243k·Developer Tools·Open source

headroom

MCPApache-2.0

Open-source context compression layer for AI agents, cutting tokens 60-95% for JSON and 15-20% for coding.

67k·LLM Ops·Open source

TrendRadar

MCPGPL-3.0

AI-driven multi-platform trend & opinion monitor with RSS, smart alerts, and MCP support.

62k·MCP Servers·Open source

context7

MCPMIT

Context7 provides up-to-date, version-specific code documentation for LLMs and AI code editors via MCP and CLI.

61k·MCP Servers·Open source

mempalace

MCPMIT

Local-first AI memory system with verbatim storage, semantic search, and MCP server support.

59k·MCP Servers·Open source

openhuman

MCPGPL-3.0

OpenHuman is an open source personal AI for Mac, Windows and Linux — local-first memory, agent orchestration, and deep r

39k·MCP Servers·Open source

GitHub's official MCP server connecting AI tools to GitHub for repo, issue, PR, and workflow automation.

32k·MCP Servers·Open source

serena

MCPMIT

Serena is an MCP toolkit providing semantic code retrieval, editing, and refactoring for AI coding agents.

28k·MCP Servers·Open source

fastmcp

MCPApache-2.0

FastMCP is a Pythonic framework for building MCP servers, clients, and interactive apps with minimal code.

27k·MCP Servers·Open source

haystack

MCPApache-2.0

Open-source Python framework for building production-ready LLM apps with modular pipelines, RAG, and agents.

26k·RAG Frameworks·Open source

Alternative to

Control Blender 3D with any LLM via MCP for prompt-assisted modeling and scene creation.

26k·MCP Servers·Open source

Official Python SDK for building MCP servers and clients with tools, resources, and prompts.

24k·MCP Servers·Open source

n8n-mcp

MCPMIT

MCP server that gives AI assistants deep knowledge of 2,412 n8n nodes to build workflows via Claude, Cursor, and more.

23k·MCP Servers·Open source

Convert docs, GitHub repos, and PDFs into AI skills with conflict detection for Claude, Gemini, and more.

15k·Developer Tools·Open source

memU

MCPNOASSERTION

memU is a lightweight, agent-driven memory system that gives users a shared LLM wiki across sessions, agents, and device

14k·MCP Servers·Open source

unity-mcp

MCPMIT

Open-source MCP server bridging AI assistants to Unity Editor for asset, scene, and script automation.

14k·MCP Servers·Open source

XHS-Downloader

MCPGPL-3.0

Open-source tool to extract, download, and archive Xiaohongshu (RedNote) posts, links, and media with MCP support.

12k·Developer Tools·Open source

AI-powered reverse engineering assistant that bridges IDA Pro with language models through MCP.

11k·MCP Servers·Open source

Open-source MCP server enabling AI agents to run 150+ cybersecurity tools for automated pentesting and vulnerability dis

11k·MCP Servers·Open source

valuecell

MCPApache-2.0

Community-driven multi-agent platform for financial applications with AI agents for stock selection, research, and tradi

11k·AI Agents·Open source

Design systems that prompt AI coding agents with practical patterns, starters, and CLI tools for loop engineering.

11k·Developer Tools·Open source

mcp-use

MCPMIT

Fullstack TypeScript framework for building MCP servers, ChatGPT plugins, and Claude connectors with native Views.

10k·MCP Servers·Open source

mcp

MCPApache-2.0

Open-source MCP servers for AWS, enabling AI assistants to interact with AWS services.

9.6k·MCP Servers·Open source

Horizon

MCPMIT

AI-powered news radar generating daily bilingual briefings in English & Chinese.

9k·Other·Open source

evolver

MCPGPL-3.0

GEP-powered self-evolving engine for AI agents with auditable Genes, Capsules, and Events.

9k·AI Agents·Open source

adk-go

MCPApache-2.0

Open-source Go toolkit for building, evaluating, and deploying AI agents with flexibility and control.

8.7k·AI Agents·Open source

git-mcp

MCPApache-2.0

Free open-source remote MCP server that turns any GitHub repo into an AI documentation hub, eliminating code hallucinati

8.3k·MCP Servers·Open source

中文MCP资源精选合集,涵盖MCP指南、客户端、服务器及社区资源。

7.6k·Other·Open source

zcf

MCPMIT

Zero-config CLI to set up Claude Code & Codex with workflows, MCP, and bilingual support.

6.1k·Developer Tools·Open source

semble

MCPMIT

Fast, token-efficient code search for AI agents via MCP, CLI, or sub-agent.

5.9k·Developer Tools·Open source

EvoScientist

Apache-2.0

Self-evolving AI scientist for autonomous research, insight generation, and iterative improvement.

4.6k·AI Agents·Open source

csharp-sdk

MCPNOASSERTION

Official C# SDK for building MCP servers and clients with .NET, maintained with Microsoft.

4.5k·MCP Servers·Open source

mcpo

MCPMIT

Expose any MCP server as a secure OpenAPI-compatible REST API instantly.

4.3k·MCP Servers·Open source

Unity-MCP

MCPApache-2.0

Open-source MCP server and CLI for Unity Engine, enabling AI-driven game development and testing.

4k·MCP Servers·Open source

Graft

MCPMIT

Open-source context layer that turbocharges coding agents with faster, cheaper, codebase-aware understanding.

3.8k·Developer Tools·Open source

java-sdk

MCPMIT

Official Java SDK for building MCP servers and clients, with Spring AI integration.

3.7k·MCP Servers·Open source

lean-ctx

MCPApache-2.0

LeanCTX is a local-first context intelligence layer for AI coding agents, cutting token usage by 50-80% with 76 MCP tool

3.6k·MCP Servers·Open source

dbhub

MCPMIT

Token-conscious database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.

3.4k·MCP Servers·Open source

Fuxi

MCPNOASSERTION

Fast, self-contained terminal AI coding agent with cost-aware routing across LLM providers.

3.3k·AI Agents

Alternative to

arxiv-mcp-server

MCPApache-2.0

MCP server for searching, downloading, and analyzing arXiv papers with citation graphs and alerts.

3.1k·MCP Servers·Open source

openocta

MCPApache-2.0

OpenOcta 八爪鱼:中国首个开源个人桌面级 AI 智能体,Go 单二进制,本地优先,支持 MCP/Skills 与 IM 远程指挥。

3k·AI Agents·Open source

Alternative to

ddgs

MCPMIT

Metasearch library aggregating results from multiple web search engines with MCP server support.

2.9k·MCP Servers·Open source

vexa

MCPApache-2.0

Open-source meeting transcription API for Google Meet, Microsoft Teams & Zoom. Auto-join bots, real-time WebSocket trans

2.8k·MCP Servers·Open source

mcp-proxy

MCPMIT

Bridge between Streamable HTTP and stdio MCP transports for flexible MCP server connectivity.

2.7k·Developer Tools·Open source

jadx-ai-mcp

MCPApache-2.0

JADX plugin integrating MCP server for AI-driven Android APK analysis and reverse engineering.

2.7k·MCP Servers·Open source

metamcp

MCPMIT

MetaMCP is a Docker-based MCP aggregator, orchestrator, middleware, and gateway for unified MCP server management.

2.6k·MCP Servers·Open source

nunu

MCPMIT

CLI scaffolding tool for building modular Go applications with layered architecture and dependency injection.

2.6k·Developer Tools·Open source

wanwu

MCPApache-2.0

Enterprise-grade multi-tenant AI agent platform with RAG, workflows, GUI automation, and model management.

2.6k·AI Agents·Open source

Alternative to

jcodemunch-mcp

MCPNOASSERTION

Token-efficient MCP server for precise, symbol-level GitHub code retrieval via tree-sitter AST parsing.

2.6k·MCP Servers·Open source

nitrostack

MCPApache-2.0

Enterprise-grade TypeScript framework for building production-ready MCP servers with decorators, DI, and built-in auth.

2.5k·MCP Servers·Open source

MCP server & CLI for searching and downloading academic papers from arXiv, PubMed, bioRxiv, and more.

2.5k·MCP Servers·Open source

Unla

MCPMIT

Unla is a lightweight MCP gateway that converts existing APIs and MCP servers into MCP endpoints with zero code changes.

2.2k·MCP Servers·Open source

inspector

MCPNOASSERTION

Open-source testing & evaluation platform for MCP server developers to inspect, debug, and run evals across clients.

2.1k·Developer Tools·Open source

Qu1cksc0pe

MCPGPL-3.0

All-in-one malware analysis tool with static/dynamic analysis and MCP server integration.

2k·MCP Servers·Open source

php-sdk

MCPNOASSERTION

Official PHP SDK for building MCP servers and clients, with tools, resources, and STDIO/HTTP transports.

1.6k·MCP Servers·Open source

Official MCP server for searching and analyzing French open data from data.gouv.fr via AI chatbots.

1.6k·MCP Servers·Open source

rulego

MCPApache-2.0

RuleGo is a lightweight, high-performance, embedded component orchestration rule engine framework for Go, enabling flexi

1.6k·Developer Tools·Open source

Official MiniMax MCP server for text-to-speech, voice cloning, video, image, and music generation via API.

1.6k·MCP Servers·Open source

Self-hosted multi-agent orchestrator for Claude Code, Codex CLI, Gemini CLI, and OpenCode with live 3D command center.

64·AI Agents·Open source

aigate

WTFPL

A self-hosted AI platform — inference, tool use, browser automation, image generation, speech synthesis, transcription,

13·Self-Hosted AI·Open source