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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.

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9,443 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Prompt-Optimizer-MCP-for-LLMs

    Mahad-007
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    security
    A
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    quality
    A Model Context Protocol (MCP) server that provides intelligent tools for optimizing and scoring LLM prompts using deterministic heuristics.
    Last updated -
    MIT License

  • Resource Hub Server

    adamwattis
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    security
    F
    license
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    quality
    An MCP server that connects to the Resource Hub, allowing centralized configuration and management of tools and resources across different MCP environments.
    Last updated -
    3
    • Apple

  • Yes or No MCP

    a-polishchuk
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    license
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    quality
    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.
    Last updated -
    1
    0

  • Resource Settings MCP Server

    ag2-mcp-servers
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    security
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    An MCP Server that provides a natural language interface to Google Cloud Resource Settings API, enabling users to view and manage settings for Google Cloud resources through conversation.
    Last updated -

  • Perplexity Tool for Claude Desktop

    letsbuildagent
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    security
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    license
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    quality
    A custom MCP tool that integrates Perplexity AI's API with Claude Desktop, allowing Claude to perform web-based research and provide answers with citations.
    Last updated -
    1
    4
    MIT License
    • Apple

  • Just Prompt

    disler
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    security
    F
    license
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    quality
    A lightweight MCP server that provides a unified interface to various LLM providers including OpenAI, Anthropic, Google Gemini, Groq, DeepSeek, and Ollama.
    Last updated -
    6
    643

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  • Azure Resource Graph MCP Server

    hardik-id
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    security
    A
    license
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    quality
    A Model Context Protocol server for querying and analyzing Azure resources at scale using Azure Resource Graph, enabling AI assistants to explore and monitor Azure infrastructure.
    Last updated -
    1
    11
    MIT License
    • Linux
    • Apple

  • RT-Prompt-MCP

    yuyao1999
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    security
    F
    license
    A
    quality
    A Model Context Protocol server that provides specialized prompt suggestions for backend development, frontend development, and general tasks to help LLMs generate better content.
    Last updated -
    6
    0
    1

  • MCP Prompt Server

    gdli6177
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    security
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    license
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    quality
    A server based on Model Context Protocol that provides predefined prompt templates for tasks like code review and API documentation generation, enabling more efficient workflows in Cursor/Windsurf editors.
    Last updated -
    10
    0
    218
    MIT License

  • A Share MCP

    24mlight
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    security
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    license
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    quality
    A Model Context Protocol server providing tools for querying A-share stock market data, including historical prices, financial reports, market indices, and macroeconomic indicators.
    Last updated -
    27
    424
    MIT License

  • Prompt Cleaner MCP Server

    Da-Colon
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    security
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    license
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    quality
    Enables cleaning and sanitizing prompts through an LLM-powered tool that removes sensitive information, provides structured feedback with notes and risks, and normalizes prompt formatting. Supports configurable local or remote OpenAI-compatible APIs with automatic secret redaction.
    Last updated -
    4
    1
    MIT License

  • mcp-prompt-engine

    vasayxtx
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    security
    A
    license
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    quality
    MCP server for managing and serving dynamic prompt templates using elegant and powerful text template engine. Create reusable, logic-driven prompts with variables, partials, and conditionals that can be served to any compatible MCP client like Claude Code, Claude Desktop, Gemini CLI, etc.
    Last updated -
    7
    MIT License
    • Apple

  • MCP Prompt Enhancer

    soniankur948
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    security
    F
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    quality
    Intelligently analyzes codebases to enhance LLM prompts with relevant context, featuring adaptive context management and task detection to produce higher quality AI responses.
    Last updated -

  • MCP Think Tool

    piotrpalek
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    security
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    quality
    An MCP server implementation of Anthropic's Think Tool prompt engineering technique that enables Claude to break down complex problems and enhance its reasoning capabilities by providing a simple tool that echoes back thoughts.
    Last updated -
    1
    1

  • TypeScript Prompt MCP Server

    gpaul-mcp
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    security
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    license
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    quality
    Provides pre-defined prompt templates for AI assistants to generate comprehensive plans for TypeScript projects, API architectures, and GitHub workflows.
    Last updated -
    0
    1
    MIT License

  • MCP Prompt Tester

    rt96-hub
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    security
    A
    license
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    quality
    An MCP server that allows agents to test and compare LLM prompts across OpenAI and Anthropic models, supporting single tests, side-by-side comparisons, and multi-turn conversations.
    Last updated -
    MIT License

  • prompt-new-mcp

    seungwonme
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    security
    F
    license
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    quality
    A Model Context Protocol server that saves prompts with timestamps and allows users to list previously saved prompts for Claude Desktop.
    Last updated -
    2
    1
    1
    • Apple

  • MCP Tool

    PiuQiuPiaQia
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    license
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    A server built on mcp-framework that enables integration with Claude Desktop through the Model Context Protocol.
    Last updated -
    1
    1
    • Apple

  • A-Share MCP Server

    24mlight
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    security
    A
    license
    A
    quality
    A Model Context Protocol server focused on China's A-share stock market that provides data on stocks, financials, market indices, and macroeconomic indicators.
    Last updated -
    27
    424
    MIT License

  • Semantic Prompt MCP

    hyunjae-labs
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    security
    F
    license
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    quality
    Enables Claude to solve complex problems systematically by breaking them down into 3-4 structured thinking steps. Features document caching and multiple profiles including specialized modes for SuperClaude and SuperGemini frameworks.
    Last updated -
    1
    847
    1

  • Amazon Q Custom Prompt MCP Server

    fiet-kyo
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    security
    F
    license
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    quality
    Provides custom prompts for Amazon Q by serving markdown files from the local filesystem as prompt templates through the Model Context Protocol.
    Last updated -
    8

  • db-mcp-tool

    wirdes
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    security
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    license
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    quality
    A powerful Model Context Protocol (MCP) tool for exploring and managing different types of databases including PostgreSQL, MySQL, and Firestore.
    Last updated -
    9
    5
    MIT License

  • MCP Think Tool

    DannyMac180
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    security
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    An MCP server that implements the 'think' tool, providing Claude with a dedicated space for structured thinking during complex problem-solving tasks to improve reasoning capabilities.
    Last updated -
    128
    MIT License
    • Linux
    • Apple

  • Prompt Auto-Optimizer MCP

    sloth-wq
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    security
    A
    license
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    quality
    An MCP server that automatically optimizes AI prompts using evolutionary algorithms, helping improve prompt performance, creativity, and reliability through iterative testing and refinement.
    Last updated -
    12
    3
    MIT License

  • mcp-tool-chainer

    thirdstrandstudio
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    security
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    An MCP (Model Context Protocol) server that chains calls to other MCP tools, reducing token usage by allowing sequential tool execution with result passing
    Last updated -
    109
    48
    MIT License

  • Twitter MCP Tool

    jalaj-pandey
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    security
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    quality
    A Python-based tool that streamlines social media tasks by enabling users to post tweets, track username changes, fetch recent tweets, and send direct messages on Twitter.
    Last updated -

  • MCP Prompt Enhancer Server

    S3bRR
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    security
    F
    license
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    quality
    Transforms simple prompts into detailed, professional specifications using AI, designed to get better results from Claude, ChatGPT, and other AI assistants.
    Last updated -
    • Apple

  • Gemini MCP Tool

    jamubc
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    license
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    A Model Context Protocol server that enables AI assistants to interact with Google Gemini CLI, allowing them to leverage Gemini's large token window for analyzing files and codebases using natural language commands.
    Last updated -
    6
    41,021
    1,362
    • Apple
    • Linux

  • Meta Prompt MCP Server

    tisu19021997
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    security
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    license
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    quality
    A server that transforms a standard Language Model into a dynamic multi-agent system where the model simulates both a Conductor (project manager) and Experts (specialized agents) to tackle complex problems through a collaborative workflow.
    Last updated -
    2
    33
    Apache 2.0
    • Apple
    • Linux

  • mcp-tool-builder

    hanweg
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    security
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    license
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    quality
    MCP server that builds itself by creating new tools as needed based on user requests (Requires restart of Claude Desktop to use newly created tools).
    Last updated -
    4
    27
    The Unlicense

  • MCP Think Tool Server

    cgize
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    security
    A
    license
    A
    quality
    Implements Anthropic's 'think' tool for Claude, providing a dedicated space for structured reasoning during complex problem-solving tasks that improves performance in reasoning chains and policy adherence.
    Last updated -
    4
    75
    34
    MIT License

  • RISEN Prompt Engineering MCP Tool

    doritoman90000
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    security
    A
    license
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    quality
    A Model Context Protocol server that helps users create, validate, and optimize AI prompts using the RISEN framework (Role, Instructions, Steps, Expectations, Narrowing).
    Last updated -
    MIT License
    • Apple