Open Source MCP Projects
Discover 182 open source MCP repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. MCP projects here are most often combined with AI Agents, TypeScript and Developer Tools. Last updated October 4, 2026.
182 repositories · updated October 4, 2026

n8n-nodes-mcp: Connect n8n Workflows to MCP Servers
A community node for connecting n8n workflows and AI agents to Model Context Protocol servers. Use it to discover and run tools, retrieve resources, and access prompts through STDIO or HTTP-based transports.

donutbrowser: Manage Isolated Chromium Browser Profiles
Donut Browser is a desktop Chromium profile manager built around a privacy-focused anti-detect engine. It is aimed at people who need separate browser identities, per-profile proxies, and optional sync or automation integrations.

nuclear: Play and Organize Music Across Desktop Platforms
Nuclear is a free desktop music player for Windows, macOS, and Linux that searches for music and streams it from available sources. It suits listeners who want playlists, plugin-based features, and playback controls without ads or tracking.

openai-agents-js: Build Multi-Agent and Voice Workflows
A TypeScript SDK for building LLM agents that use tools, delegate work, and manage conversations. It also supports sandboxed tasks and low-latency voice agents, making it useful for teams building more than a single prompt-and-response flow.

gemini-cli: Use Gemini as an Agent in Your Terminal
Gemini CLI brings Gemini models into a terminal-based agent for working with code, files, shell commands, and web information. It suits developers who want interactive assistance or scriptable workflows, with support for custom tools through MCP.

mcphub: Connect and Manage MCP Servers Through One Gateway
MCPHub is a self-hosted gateway and control plane for connecting MCP clients to local and remote MCP servers. It centralizes routing, access controls, credentials, logs, and health monitoring.

openapi-servers: Expose Tools to AI Agents Through OpenAPI
openapi-servers provides FastAPI reference servers for connecting AI agents and workflows to external tools and data through standard REST APIs. Use its examples to build or host services such as filesystem, Git, weather, SQL, and RAG tools.

magic-mcp: Connect Coding Agents to 21st UI Tools
A compatibility proxy that connects coding agents to the 21st MCP service for React and Tailwind UI discovery and generation. It suits developers who want to search components or access hosted UI tools from their editor, with a fresh 21st API key.

MaxKB: Build and Run Enterprise AI Agents
MaxKB is a self-hostable platform for building AI agents that use company knowledge, workflows, and external tools. It suits teams that want to add model-backed question answering to internal or customer-facing systems.

kaneo: Manage Projects and Tasks with Flexible Workflows
Kaneo is a project management tool for teams that want to organize tasks across boards, lists, calendars, or Gantt charts. It combines collaboration, workflow customization, integrations, and self-hosted or cloud deployment options.

Scrapling: Build Adaptive Web Scrapers and Crawlers
Scrapling is a Python framework for fetching, parsing, and crawling websites, with adaptive selectors that can relocate elements after page changes. It suits projects ranging from one-off extraction to concurrent crawls and AI-assisted scraping.

magictunnel: Find and Run MCP Tools from Natural Language
MagicTunnel is a Rust-based MCP proxy that presents a single smart tool for discovering and invoking other tools from natural-language requests. It also includes a management dashboard, service supervisor, and tools for generating capabilities from API definitions.