Open-Source MCP servers

Production-ready and experimental MCP servers that extend AI capabilities through file access, database connections, API integrations, and other contextual services.

Matching MCP servers:

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    A server that enables interaction with Home Assistant devices and automations through the Model Context Protocol, allowing users to monitor device states, control devices, trigger automations, and list entities.
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    JavaScript
    MIT License
    • Apple
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    Expose all Home Assistant voice intents through a Model Context Protocol Server allowing home control.
    30
    Python
    Apache 2.0
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    A Model Context Protocol server that allows large language models to control and query Home Assistant smart home systems through natural language interactions.
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    TypeScript
    MIT License
    • Apple
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    A Model Context Protocol (MCP) integration that allows AI assistants to control Home Assistant devices by searching for entities and controlling devices through natural language commands.
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    MIT License
    • Linux
    • Apple
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    A Model Context Protocol server that integrates with Home Assistant to provide smart home control capabilities through natural language, supporting devices like lights, climate systems, locks, alarms, and humidifiers.
    Python
    MIT License
    • Apple

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    Used to create an assistant integrated with n8n that can search n8n documentation, example workflows, and community forums.
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    Provides tools for AI assistants to interact with smart home devices through Home Assistant, allowing operations like checking entity states and calling services.
    TypeScript
    MIT License
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    Enables integration with OpenAI models through the MCP protocol, supporting concise and detailed responses for use with Claude Desktop.
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    MIT License
    • Apple
    • Linux
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    The MCP server transforms chats with Claude into journaling sessions, saving conversations locally and allowing the LLM to retrieve previous sessions to create continuity in discussions about daily activities.
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    MIT License
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    Leverages large language models to analyze users' WeGene genetic testing reports, providing access to report data via custom URI schemes and enabling profile and report management through OAuth authentication and API utilization.
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    • Apple
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    A simple MCP server for interacting with OpenAI assistants. This server allows other tools (like Claude Desktop) to create and interact with OpenAI assistants through the Model Context Protocol.
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    MIT License
    • Apple
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    A unified interface for managing digital life through integrations with Google Calendar, Obsidian Vault, Trello, and web page parsing capabilities.
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    Server that enhances the capabilities of the Cline coding agent. It provides intelligent code suggestions, reduces hallucinations, and documents the knowledge base by leveraging your project's documentation and detecting the technologies used in your codebase.
    10
    JavaScript
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    Send requests to OpenAI, MistralAI, Anthropic, xAI, or Google AI using MCP protocol via tool or predefined prompts. Vendor API key required
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    Python
    MIT License
    • Apple
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    Send requests to OpenAI, MistralAI, Anthropic, xAI, or Google AI using MCP protocol via tool or predefined prompts. Vendor API key required. Both STDIO and SSE transport mechanisms are supported via arguments.
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    TypeScript
    MIT License
    • Apple
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    A Model Context Protocol (MCP) server that provides tools to interact with Folderr's API, specifically for managing and communicating with Folderr Assistants.
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    Allows the AI to read .ged files and genetic data.
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    MIT License
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    Access Home Assistant data and control devices (lights, switches, thermostats, etc).
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    Apache 2.0
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    A simple MCP service that allows users to query weather conditions for cities worldwide through the Cursor AI assistant.
    JavaScript
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    A powerful research assistant that conducts intelligent, iterative research through web searches, analysis, and comprehensive report generation on any topic.
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    TypeScript
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    Helps support engineers find similar GitHub issues to speed up troubleshooting by searching repositories and calculating similarity scores based on issue descriptions.
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    TypeScript
    MIT License
    • Apple
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    An AI-powered development toolkit for Cursor providing intelligent coding assistance through advanced reasoning, UI screenshot analysis, and code review tools.
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    TypeScript
    MIT License
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    A Cursor-compatible toolkit that provides intelligent coding assistance through custom AI tools for code architecture planning, screenshot analysis, code review, and file reading capabilities.
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    MIT License
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    Helps you analyze chess positions and get professional evaluations using Stockfish.
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    MIT License
    • Apple
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    A versatile Model Context Protocol server that enables AI assistants to manage calendars, track tasks, handle emails, search the web, and control smart home devices.
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    An MCP server that allows Claude AI to search, explore, and compare arXiv papers efficiently through a custom-built local server.
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    MCP server that enables AI assistants to perform SEO automation tasks including keyword research, SERP analysis, and competitor analysis through Google Ads API integration.
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    So I tried out this cool tool I saw in a LinkedIn post https://openapitools.com All you need is your API schema (OpenAPI/Swagger), and it automatically generates an MCP schema for you. You can then drop it straight into Claude Desktop (or Cursor, LangChain, etc.) and instantly start chatting with
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    Provides SEO automation with tools for keyword research, SERP analysis, and competitor analysis through Google Ads API integration, enabling AI assistants to access these capabilities via MCP.
    4
    JavaScript