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Open-Source MCP servers

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

9,482 servers. Last updated -

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Matching MCP servers:

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    A server that enables LLMs to programmatically interact with Logseq knowledge graphs, allowing creation and management of pages and blocks.
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    MIT License
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    A Model Context Protocol server that enables AI agents to interact with a local Logseq instance, allowing operations like creating pages, managing blocks, and searching across a knowledge graph.
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    MIT License
    • Apple
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    A Model Context Protocol server that enables AI agents to interact with local Logseq knowledge graphs, supporting operations like creating/editing pages and blocks, searching content, and managing journal entries.
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    MIT License
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    A Model Context Protocol server that provides AI assistants with structured access to your Logseq knowledge graph, enabling retrieval, searching, analysis, and creation of content within your personal knowledge base.
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    • Apple
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    This is a connector to allow Claude Desktop (or any MCP client) to read and search any directory containing Markdown notes (such as an Obsidian vault).
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    1,119
    AGPL 3.0

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  • A
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    A Model Context Protocol server that enables AI assistants to read, write, and manipulate notes in your Obsidian vault through a standardized interface.
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    ISC License
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    A server implementation that allows AI assistants to read, create, and manipulate notes in Obsidian vaults through the Model Context Protocol.
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    MIT License
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    A simple MCP server implementation in TypeScript that communicates over stdio, allowing users to ask questions that end with 'yes or no' to trigger the MCP tool in Cursor.
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    Enables AI assistants to interact with Obsidian vaults, providing tools for reading, creating, editing and managing notes and tags.
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    MIT License
    • Apple
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    This project implements a Model Context Protocol (MCP) server for connecting AI models with Obsidian knowledge bases. Through this server, AI models can directly access and manipulate Obsidian notes, including reading, creating, updating, and deleting notes, as well as managing folder structures.
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    MIT License
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    Enables direct file system access to Obsidian vaults with auto-discovery, full-text search, and note operations. Supports reading, writing, and searching across Obsidian notes without requiring plugins or REST API.
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    Connects Obsidian vaults stored in iCloud Drive to AI models via the Model Context Protocol, allowing AI assistants to access and interact with your Obsidian notes.
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    MIT License
    • Apple
    • Linux
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    Obsidian vault connector for Claude Desktop - enables reading and writing Markdown notes using Model Context Protocol (MCP)
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    MIT License
    • Apple
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    A Model Context Protocol server that enables AI assistants like Claude to interact with your Obsidian vault through the Local REST API plugin, allowing reading, creating, searching, and managing notes.
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    MIT License
    • Apple
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    A Model Context Protocol server providing tools for querying A-share stock market data, including historical prices, financial reports, market indices, and macroeconomic indicators.
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    MIT License
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    An MCP-based trivia game server where AI creates rounds with two true statements and one false 'twist' about various topics, letting players guess which statement is false.
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    MIT License
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    Enables interaction between LLMs and Obsidian vaults through the Model Context Protocol, supporting secure file operations, content management, and advanced search capabilities.
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    Apache 2.0
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    Stores AI memories as Markdown files for visualization in Obsidian's graph view, allowing users to create knowledge graphs with entities, relations, and observations.
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    MIT License
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    A lightweight server that enables AI assistants like Cursor & Claude to read from and write to Obsidian vaults, allowing actions like creating notes, checking existing content, and managing todos through natural language.
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    A Model Context Protocol server that connects AI assistants to GitHub repositories containing Obsidian vaults, enabling them to read, search, and analyze notes and documentation stored on GitHub.
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    MIT License
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    Allows AI models to interact with Obsidian notes through the Local REST API, enabling creation, reading, updating, searching of notes, and Git-based automatic backups.
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    MIT License
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    Provides an MCP server that allows AI assistants to interact with Obsidian vaults, enabling reading/writing notes, managing metadata, searching content, and working with daily notes.
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    MIT License
    • Linux
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    AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.
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    MIT License
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    A server that consolidates 21+ Obsidian tools into 5 intelligent operations (vault, edit, view, workflow, system) with contextual workflow hints to help AI agents effectively interact with Obsidian.
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    MIT License
    • Apple
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    A server that enables AI agents to perform sophisticated knowledge discovery and analysis across Obsidian vaults through the Local REST API plugin, supporting complex multi-step workflows with advanced filtering and full content retrieval.
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    MIT License
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    Provides a standardized interface for AI assistants to interact with Obsidian vaults through a local REST API, enabling reading, writing, searching, and managing notes.
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    MIT License
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    A Model Context Protocol server focused on China's A-share stock market that provides data on stocks, financials, market indices, and macroeconomic indicators.
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    MIT License
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    Provides semantic search capability over Obsidian vaults and exposes recent notes as resources to Claude through the MCP protocol.
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    A local MCP server that enables AI applications like Claude Desktop to securely access and work with Obsidian vaults, providing capabilities for reading notes, executing templates, and performing semantic searches.
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    MIT License
    • Apple
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    Empowers AI agents to deeply understand and interact with Obsidian vaults through the Local REST API, enabling advanced features like vault structure discovery, graph analysis, command execution, and batch file operations.
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    MIT License
    • Apple