100100 Ideas AI
Submit Tool

Open source AI tools & MCP servers

A curated, open-source directory of AI tools and MCP (Model Context Protocol) servers. Find self-hostable alternatives to popular AI products, compare tech stacks and licenses, and discover the servers that plug into your agent.

435
tools indexed
291
MCP servers
7
categories

ECC

MCPMIT

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

243k·Developer Tools·Open source

JavaGuide

Apache-2.0

JavaGuide: 157k-star Java backend interview guide covering core Java, databases, distributed systems, and AI app develop

158k·Developer Tools·Open source

Cross-platform desktop manager for switching AI coding agents like Claude Code, Codex, and Gemini CLI.

129k·Developer Tools·Open source

Curated list of production-ready and experimental MCP servers for extending AI capabilities.

93k·Developer Tools·Open source

Learn to build a Claude Code-like agent harness from scratch with Bash, focusing on model-driven agency.

75k·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

Multi-harness agentic plugin marketplace with 93 plugins, 202 agents, 181 skills for Claude Code, Codex, Cursor, and mor

39k·Developer Tools·Open source

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

32k·MCP Servers·Open source

Open-source AI browser agent for web automation: a web browsing agent and computer-use agent in plain English. Browser M

30k·AI Agents·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

Go microservices framework for cloud-native apps with HTTP/gRPC, middleware, and code generation.

26k·Developer Tools·Open source

Distilly turns messages, docs, and interviews into reusable Person Profiles for AI agents and bots.

24k·AI Agents·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

excelize

BSD-3-Clause

Pure Go library for reading and writing Excel spreadsheets with charts, images, and streaming support.

21k·Developer Tools·Open source

免费开放的 AI 知识库与 Vibe Coding 零基础教程,涵盖工具、模型、编程与变现指南。

19k·Other·Open source

Free interactive course teaching AI-native product builders to code from zero by shipping real products.

19k·Developer Tools·Open source

中文 Vibe Coding 从入门到精通教程,涵盖 AI 结对编程工作流、Prompt、Skill 与上下文管理。

16k·AI Agents·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

Self-evolving AI agent framework that grows a skill tree from 3K lines of seed code for full system control.

14k·AI Agents·Open source

waoowaoo

NOASSERTION

Open-source AI film production platform for generating videos from novels with storyboards, characters, and scenes.

14k·AI Agents·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

astrid

MCPApache-2.0

A portable, capability-secure operating system for composable software, using WASM capsules.

10k·Other·Open source

Autonomous AI development loop for Claude Code with intelligent exit detection and rate limiting.

9.6k·Developer Tools·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

Trilingual learning roadmap for agentic AI: from LLM basics to multi-agent systems, with 240+ curated resources.

6.5k·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

Curated list of vibe coding tools, IDEs, and resources for AI-assisted development.

5.2k·Developer Tools·Open source

Comprehensive community guide for Claude Code: setup, commands, workflows, agents, skills, and tips from beginner to pow

4.6k·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

AIGC/LLM/AI Agent算法工程师面试求职与职业成长资源平台,涵盖面试题、学习路线与行业经验。

4.5k·Developer Tools·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

Curated list of game development resources, tools, and learning materials.

4.1k·Other·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

AIQ: Curated AI/ML tutorials, big tech practices, and latest research from top labs.

3.7k·Other·Open source

Acontext

Apache-2.0

Open-source skill memory layer for AI agents that captures learnings as editable Markdown skill files.

3.7k·AI Agents·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

gzh-design-skill

NOASSERTION

AI-agent skill that turns Markdown into paste-ready WeChat article HTML with 6 themes and a generator.

3.5k·Developer Tools·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

clawpanel

NOASSERTION

🦞 OpenClaw & Hermes Agent 多引擎 AI 管理面板 — 内置 AI 助手(工具调用 + 图片识别 + 多模态),一键安装 | Tauri v2 跨平台桌面应用 | 11 种语言

2.9k·AI Agents·Open source

ddgs

MCPMIT

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

2.9k·MCP Servers·Open source

One-ink editorial print image skill — warm paper, halftone photography, active negative space, and restrained typography

2.8k·AI Agents·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

AGENTS.md rules & skills for AI coding agents distilled from classic software engineering books.

2.7k·Developer Tools·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

olla

Apache-2.0

High-performance LLM proxy and load balancer with intelligent routing, failover, and model discovery.

292·LLM Ops·Open source

Alternative to

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

64·AI Agents·Open source

Self-hosted mixed-vendor GPU inference cluster manager with speculative decoding proxy for faster LLM serving.

33·Self-Hosted AI·Open source

llama-net

Apache-2.0

Turn any Mac or GPU into an OpenAI-compatible inference node. One-command setup, automatic HTTPS, model management, and

25·Self-Hosted AI·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

ENZO

Apache-2.0

Self-hosted AI workspace with agents, skills, and tools (Gmail, Calendar) that runs entirely on your own provider API ke

11·Self-Hosted AI·Open source

Run IBM Granite 4.0 locally on Raspberry Pi 5 with Ollama.This is a privacy-first AI. Your data never leaves your device

11·Self-Hosted AI·Open source