Open-source mcp software
1200 open-source libraries, tools and applications tagged mcp, ranked by how closely mcp is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1200 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| modelscope/ms-agent MS-Agent is a lightweight Python framework from ModelScope for building LLM-powered agents with autonomous exploration capabilities. It sup… | 85 | 4416 | active |
| archestra-ai/archestra Archestra is an open-source, self-hosted enterprise AI platform combining an agentic chat UI, agent runtime, LLM gateway/proxy, MCP gateway… | 82 | 4386 | active |
| DocSearch DocSearch is Algolia's open-source solution for adding fast, accessible search to documentation sites, combining a hosted crawler that inde… | 94 | 4377 | stable |
| Kiro Kiro is an agentic IDE and CLI that helps developers go from prototype to production using spec-driven development, agent hooks, powers, an… | 64 | 4372 | active |
| liustack/modlens ModLens is a vision plugin for DeepSeek Harness (dsh) and other text-only coding agents that converts pasted images into structured JSON ev… | 78 | 4365 | active |
| arxhr007/Aliens_eye Aliens Eye is an AI-powered OSINT CLI tool that scans 840+ social media and web platforms to find accounts associated with a given username… | 99 | 4344 | active |
| 53AI Hub 53AI Hub is an open-source AI portal and knowledge base platform for publishing and operating AI agents, prompts, and AI tools. It integrat… | 84 | 4323 | active |
| HttpRunner HttpRunner (hrp) is an open-source, Go-based all-in-one testing framework for API testing (HTTP/HTTP2/WebSocket/RPC), load testing, and mul… | 44 | 4302 | active |
| composio-community/open-claude-cowork An open-source desktop chat application powered by the Claude Agent SDK and Composio Tool Router, offering 500+ SaaS app integrations (Gmai… | 50 | 4289 | active |
| nolabs-ai/nono nono is a Rust-based CLI and SDK that runs AI coding agents and their tool invocations in ephemeral, kernel-enforced micro sandboxes with c… | 76 | 4273 | active |
| openagents-org/openagents OpenAgents is an open-source platform (Apache-2.0) for building, connecting, and orchestrating collaborative multi-agent AI systems. It com… | 84 | 4245 | active |
| m1heng/clawdbot-feishu A Feishu/Lark channel plugin for OpenClaw that lets the OpenClaw AI assistant communicate through Feishu messaging. It is installed via the… | 58 | 4231 | active |
| txn2/kubefwd kubefwd is a Go CLI utility that bulk port-forwards Kubernetes services to a local workstation, assigning each service a unique 127.x.x.x l… | 100 | 4178 | active |
| UsefulSoftwareCo/executor Executor is an open-source integration layer and MCP gateway for AI agents, letting you configure MCP servers, OpenAPI specs, GraphQL APIs,… | 77 | 4162 | active |
| groupultra/telegram-search A self-hostable tool that exports, backs up, and indexes Telegram chat history into a database (PGlite or PostgreSQL) with tokenization and… | 84 | 4125 | active |
| CommandCodeAI/command-code Command Code is a terminal-based AI coding agent that builds full-stack projects, fixes bugs, writes tests, and refactors code. Its disting… | 66 | 4112 | active |
| octelium/octelium Octelium is a free, open-source, self-hosted unified zero trust secure access platform built on Kubernetes. It can operate as a remote acce… | 87 | 4107 | active |
| microsoft/apm APM (Agent Package Manager) is an open-source dependency manager for AI coding agents, letting teams declare skills, prompts, instructions,… | 81 | 4106 | active |
| erxes Erxes is an open-source, self-hostable 'Experience Operating System' (XOS) that unifies customer messaging, sales pipelines, marketing, ope… | 96 | 4091 | active |
| zhom/donutbrowser Donut Browser is an open-source anti-detect desktop browser for macOS, Windows, and Linux that creates unlimited isolated browser profiles,… | 83 | 4088 | active |
| yifanfeng97/Hyper-Extract Hyper-Extract is a Python CLI tool that transforms unstructured documents into structured knowledge using LLMs, producing graphs, hypergrap… | 82 | 4051 | active |
| Codex-X Codex-X is a cross-platform desktop GUI tool built with Tauri 2, React, and Rust for managing OpenAI Codex desktop and CLI configurations. … | 79 | 4036 | active |
| steipete/oracle Oracle is a TypeScript CLI and MCP server that bundles a prompt with selected project files and sends that context to frontier AI models (G… | 82 | 4030 | active |
| FeelUOwn Music Player FeelUOwn is a robust, user-friendly, and highly hackable cross-platform music player written in Python with PyQt. It supports plugins for v… | 91 | 3957 | active |
| shadcnblocks/kibo Kibo UI is a custom registry of composable, accessible React components designed as an extension to shadcn/ui, built with TypeScript and Ta… | 60 | 3947 | active |
| evalstate/fast-agent fast-agent is a Python CLI-first framework for building, running, and evaluating LLM agents with first-class MCP, ACP, and A2A protocol sup… | 84 | 3931 | active |
| WorldFlowAI/everything-claude-code A toolkit of production-ready Claude Code configurations including agents, skills, hooks, commands, rules, and MCP setups, refined over mon… | 41 | 3902 | active |
| MrNeRF/LichtFeld-Studio LichtFeld Studio is a native open-source desktop application for 3D Gaussian Splatting that combines training, real-time inspection, splat … | 96 | 3849 | active |
| TracecatHQ/tracecat Tracecat is an open-source, AI-native security automation (SOAR) platform that combines low-code workflows, tool-calling agents, case manag… | 90 | 3844 | active |
| Atmosphere Atmosphere is a portable AI agent runtime for the JVM that lets a single @Agent class run across twelve AI runtimes (Spring AI, LangChain4j… | 95 | 3821 | active |
| aiming-lab/SimpleMem SimpleMem is a Python library and MCP server that provides efficient lifelong memory for LLM agents, storing, compressing, and retrieving l… | 65 | 3821 | active |
| dathere/qsv qsv is a blazing-fast, Rust-based command-line data-wrangling toolkit with 50+ composable commands for querying, transforming, validating, … | 100 | 3813 | active |
| Homelable Homelable is a self-hosted web application for visualizing homelab infrastructure on interactive network, electrical, and 19-inch rack canv… | 80 | 3796 | active |
| OpnForm/OpnForm OpnForm is an open-source, no-code form builder for creating forms, surveys, and workflows with unlimited submissions, conditional logic, f… | 96 | 3744 | active |
| livestorejs/livestore LiveStore is a next-generation state management framework built on a reactive embedded SQLite database with git-inspired event-sourcing syn… | 91 | 3737 | active |
| Mouseww/anything-analyzer An Electron-based all-in-one protocol analysis toolkit that captures HTTP(S) traffic from browsers, desktop apps, terminals, scripts, and m… | 77 | 3734 | active |
| morphik-org/morphik-core Morphik Core is an open-source, source-available multimodal retrieval engine for building RAG applications over unstructured data like PDFs… | 65 | 3711 | active |
| md2wechat md2wechat is a Go-based CLI tool that converts Markdown into styled WeChat Official Account HTML, with 40+ themes, AI-generated covers and … | 82 | 3699 | active |
| Butterbase Butterbase is an open-source, AI-native backend-as-a-service platform built on Postgres, providing auth, storage, serverless functions, an … | 59 | 3687 | active |
| wa-automate A Node.js/TypeScript toolkit that turns a WhatsApp account into an HTTP API, bot runtime, webhook bridge, plugin host, and MCP server by au… | 95 | 3665 | active |
| Ontos-AI/knowhere Knowhere is a document ingestion and parsing platform that transforms unstructured documents (PDF, DOCX, XLSX, PPTX, images) into structure… | 77 | 3660 | active |
| CopilotC-Nvim/CopilotChat.nvim A Neovim plugin that brings GitHub Copilot Chat capabilities directly into the editor, supporting multiple AI models including GPT-4o, Clau… | 71 | 3652 | active |
| Dembrandt Dembrandt is an open-source Node.js CLI that extracts a website's design system—colors, typography, spacing, borders, shadows, motion, comp… | 80 | 3624 | active |
| AIDotNet/OpenDeepWiki OpenDeepWiki is an AI-driven platform that turns Git repositories, ZIP archives, and local directories into searchable, structured document… | 85 | 3615 | active |
| nextlevelbuilder/goclaw GoClaw is a multi-tenant AI agent platform and gateway rebuilt from OpenClaw in Go, supporting 20+ LLM providers and 7 messaging channels f… | 70 | 3610 | active |
| millionco/expect Expect is a CLI tool and MCP skill that reads your git changes, generates a test plan, and runs it in a real browser using Playwright. It i… | 60 | 3561 | active |
| ascending-llc/jarvis-registry Jarvis Registry is an open-source, enterprise-grade MCP and A2A agent gateway and workflow orchestration platform that gives AI copilots an… | 84 | 3531 | active |
| huangjunsen0406/py-xiaozhi py-xiaozhi is an open-source, cross-platform multimodal AI voice assistant client written in Python, compatible with the xiaozhi-esp32 ecos… | 84 | 3513 | active |
| sugarforever/chat-ollama ChatOllama is an open-source, self-hosted AI chatbot platform built with Nuxt 3 that supports multiple LLM providers (OpenAI, Anthropic, Ge… | 89 | 3512 | active |
| onecli/onecli OneCLI is an open-source platform that gives every employee a personal, sandboxed AI agent, with all tool calls routed through a gateway th… | 74 | 3511 | active |
| FireRedTeam/FireRed-OpenStoryline FireRed-OpenStoryline is an AI video editing agent that converts natural language instructions into directed video edits via LLM planning a… | 55 | 3483 | active |
| any4ai/AnyCrawl AnyCrawl is a Node.js/TypeScript web crawler and scraping service that converts websites into LLM-ready markdown/JSON data and extracts str… | 85 | 3477 | active |
| lmnr-ai/lmnr Laminar is an open-source, OpenTelemetry-native observability platform purpose-built for AI agents, offering tracing, plain-language failur… | 91 | 3422 | active |
| mnemosyne-oss/mnemosyne Mnemosyne is a local-first, SQLite-backed memory layer for AI agents, exposing remember/recall APIs via a Python SDK and 30+ tools over MCP… | 82 | 3407 | active |
| nicedreamzapp/claude-code-local An MLX-native server for Apple Silicon that exposes an Anthropic-API-compatible endpoint so Claude Code and similar agents can run entirely… | 75 | 3344 | active |
| ChangemakerStudios/Papercut-SMTP Papercut SMTP is a desktop application that runs a local SMTP server and displays every email your application sends, so nothing is ever de… | 90 | 3339 | active |
| AtomicBot-ai/atomic-agent Atomic Agent is a local-first AI agent that runs entirely on your machine, using quantized models via llama.cpp to browse the web, edit fil… | 78 | 3326 | active |
| Mercury Agent Mercury Agent is a soul-driven AI assistant that runs 24/7 from the CLI, Telegram, Discord, Slack, Signal, or web, with 40+ permission-hard… | 81 | 3315 | active |
| minitap-ai/mobile-use An open-source Python AI agent framework that controls real Android and iOS devices using natural language commands, built on LangGraph. It… | 71 | 3298 | active |
| neomjs/neo Neo.mjs is a JavaScript frontend framework built on a multi-threaded web-workers architecture, now evolving into an AI-driven engineering p… | 95 | 3295 | active |
| xpf0000/FlyEnv FlyEnv is a native desktop application for managing local development environments on Windows, macOS, and Linux. It lets developers install… | 100 | 3289 | active |
| PrismML-Eng/Bonsai-demo A demo repository for running PrismML's Bonsai family of 1-bit and ternary-quantized language models locally via llama.cpp and MLX. It prov… | 59 | 3286 | active |
| pasky/chrome-cdp-skill A CLI tool and AI agent skill that connects AI agents to your live Chrome session via the Chrome DevTools Protocol, letting them read, scre… | 60 | 3269 | active |
| cursor-byok cursor-byok is an open-source local implementation of Cursor's backend that runs a gateway service on your machine, connecting the Cursor e… | 76 | 3246 | active |
| Off Grid AI Off Grid AI (OGAM) is a cross-platform mobile and desktop application that runs AI entirely on-device: GGUF LLM chat with vision, Whisper s… | 78 | 3234 | active |
| signerlabs/ShipSwift ShipSwift is an AI-native SwiftUI component library providing production-ready iOS components and full-stack recipes that LLMs can consume … | 56 | 3223 | active |
| TanStack/ai TanStack AI is a type-safe, provider-agnostic TypeScript SDK for building AI applications with streaming chat, tool calling, agents, struct… | 81 | 3213 | active |
| LLM for Zotero A Zotero plugin that integrates large language models into the Zotero PDF reader, enabling grounded paper chat, summarization, figure extra… | 78 | 3184 | active |
| TurixAI/TuriX-CUA TuriX is an open-source computer-use agent (CUA) that lets AI models take real actions on a desktop GUI - clicking, typing, and navigating … | 67 | 3170 | active |
| WecomTeam/wecom-cli The official WeCom (WeChat Work) command-line tool written in Rust, letting humans and AI agents operate WeCom from the terminal. It covers… | 58 | 3153 | active |
| CyberStrikeus/CyberStrike CyberStrike is an open-source AI-powered offensive security harness that runs automated penetration testing from the terminal. It orchestra… | 79 | 3141 | active |
| QwenLM/Qwen-MM-Plugins A collection of native multimodal plugins (Skills plus optional MCP servers) for Qwen models that make any agent harness multimodal-native.… | 57 | 3110 | active |
| spiceai/spiceai Spice.ai OSS is a portable Rust runtime (~140 MB binary) that combines federated SQL querying, accelerated data materialization, full-text … | 96 | 3103 | active |
| LLMQuant/quant-mind QuantMind is an agent-native Python framework that refines raw financial information such as papers, news, and SEC filings into typed, time… | 61 | 3100 | active |
| nuxt-content/docus Docus is a Nuxt-based documentation theme and starter that lets you write beautiful, SEO-optimized docs in Markdown with MDC syntax for emb… | 95 | 3086 | active |
| UKGovernmentBEIS/inspect_ai Inspect is an open-source Python framework from the UK AI Security Institute for running large language model evaluations, with composable … | 95 | 3054 | active |
| swirlai/swirl-search SWIRL is an open-source federated AI search and RAG platform that queries enterprise apps and data sources live, re-ranks results with a hy… | 92 | 3046 | active |
| Agentchengfeng/chengfeng-videocut-skills A Claude Code / Codex Skills plugin that turns an AI coding agent into a Chinese talking-head video editing assistant. It orchestrates skil… | 68 | 3031 | active |
| Erupt Erupt is an annotation-driven Java framework for Spring Boot that turns annotated JPA entity classes into full-featured admin pages with ze… | 98 | 3013 | active |
| Silex Silex is a free/libre open-source visual website builder for creating static sites with dynamic data, built on GrapesJS. It exports standar… | 89 | 2986 | active |
| antfu/node-modules-inspector An interactive web UI and CLI tool for visualizing and inspecting a project's node_modules dependencies. It supports pnpm, npm, and bun pro… | 81 | 2957 | active |
| MacPaw/OpenAI A community-maintained Swift package that wraps the OpenAI public API, supporting chat completions, responses, function calling, MCP tools,… | 100 | 2952 | active |
| intellectronica/ruler Ruler is a CLI tool that centralizes AI coding assistant instructions in a single .ruler/ directory and automatically distributes them to t… | 77 | 2947 | active |
| slackapi/bolt-js Bolt for JavaScript is the official Slack framework for building Slack apps in JavaScript/TypeScript. It provides listener methods for even… | 96 | 2944 | active |
| VibiumDev/vibium Vibium is a browser automation tool built on WebDriver BiDi that gives AI coding agents a way to verify their work by driving a real browse… | 80 | 2935 | active |
| event-catalog/eventcatalog EventCatalog is an open-source documentation tool purpose-built for software architecture, letting teams document domains, services, events… | 94 | 2926 | active |
| spartan-ng/spartan spartan is a monorepo of tools for Angular full-stack development, centered on spartan/ui: accessible, un-styled headless UI primitives (55… | 95 | 2924 | stable |
| marketcalls/openalgo OpenAlgo is a free, open-source, self-hosted algorithmic trading platform built with Python Flask and React that provides a unified API lay… | 89 | 2890 | active |
| goniszewski/grimoire Grimoire is a local-first, self-hosted bookmark manager for saving, extracting, and searching web content, with optional AI-powered summari… | 95 | 2866 | active |
| Vexa-ai/vexa Vexa is an open-source (Apache-2.0) meeting transcription API that dispatches bots to join Google Meet, Microsoft Teams, and Zoom calls and… | 85 | 2864 | active |
| jeremylongshore/tons-of-skills-marketplace An open-source marketplace of plugins, skills, and agents for Claude Code, browsable at tonsofskills.com and installable via the ccpi CLI p… | 76 | 2849 | active |
| F1bonacc1/process-compose Process Compose is a single-binary Go tool that schedules and orchestrates non-containerized local processes using a YAML config, with depe… | 96 | 2846 | active |
| sahibzada-allahyar/YC-Killer A collection of open-source, enterprise-grade AI agents intended as free alternatives to commercial Y Combinator startups. It includes a de… | 60 | 2828 | active |
| datachain-ai/datachain DataChain is a Python library that turns unstructured files in S3, GCS, and Azure into typed, versioned datasets queryable at warehouse spe… | 88 | 2827 | active |
| beilunyang/moemail MoeMail is a self-hostable temporary (disposable) email service with a cute web UI, built on Next.js and the Cloudflare stack (Pages, Worke… | 80 | 2822 | active |
| cocoindex-io/cocoindex-code A lightweight AST-based semantic code search CLI built on the CocoIndex Rust data transformation engine, with tree-sitter parsing and embed… | 82 | 2814 | active |
| rusq/slackdump Slackdump is a Go CLI tool that archives private and public Slack messages, threads, files, users, channels, and emojis locally without req… | 97 | 2807 | active |
| opensolon/solon Solon is a Java enterprise application development framework built from scratch as a lighter, faster alternative to Spring Boot/Spring Clou… | 92 | 2794 | active |
| crbnos/carbon Carbon is an open-core manufacturing operating system combining ERP, MES, and QMS functionality in a single web application built on Supaba… | 70 | 2749 | active |
| sheeki03/tirith Tirith is a Rust-based terminal security tool that intercepts shell commands, pasted content, and files to block threats like homograph URL… | 76 | 2741 | active |