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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.

9,443 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

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    An MCP server that enforces unit testing standards by linting code and guiding agentic coding tools (like Gemini CLI or Claude Code) to follow best practices in test-driven development.
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    Provides tools for frontend testing including code analysis, test generation, test execution, and React component testing for Jest and Cypress frameworks.
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    Enables automated testing and coverage reporting for MCP services with test execution, file generation, and mock service creation. Provides comprehensive testing infrastructure including Jest integration, coverage reports, and health checks for the MCP ecosystem.
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    An MCP server that provides detailed information about your development environment to the Cursor code editor, enabling more context-aware assistance.
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    An MCP server with comprehensive CI/CD workflows including unit tests, integration tests, and end-to-end validation. Features automated testing across multiple Node.js versions with coverage reporting and linting validation.
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    Provides comprehensive access to documentation for 600+ Kali Linux penetration testing and security tools through Claude Desktop, enabling users to search, explore, and get detailed information about security tools by category or functionality.
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    • Apple

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    Provides precise conversions between different units of measurement including temperature, length, weight, and volume.
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    An MCP server that executes tox commands to run Python tests within a project using pytest, allowing users to run all tests or specific test groups, files, cases, or directories.
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    A Multi-Agent Conversation Protocol server that enables interaction with HubSpot's Business Units API, allowing users to manage company business units through natural language.
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    Provides real-time system metrics and information through a Model Context Protocol interface, enabling access to CPU usage, memory statistics, disk information, network status, and running processes.
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    A simple server implementing the Model Context Protocol (MCP) that echoes messages back, designed for testing MCP clients.
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    Enables searching and retrieving detailed information about MCP servers from the official MCP registry. Provides tools to list servers with filtering options and get comprehensive details about specific servers.
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    An MCP server that allows Cursor users to fetch real-time information about Zendesign design system components.
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    Provide information about the games you played and how long you played them for to an LLM
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    An MCP server that implements Retrieval-Augmented Generation to efficiently retrieve and process important information from various sources, providing accurate and contextually relevant responses.
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    An MCP server that provides real-time delay information for JR East train lines, accessible via MCP clients like Claude Desktop through the 'getDelays' tool.
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    A persistent memory implementation using a local knowledge graph that lets Claude remember information about users across conversations.
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    Enables agents to query information about gems in a Ruby project's Gemfile, including source code and metadata.
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    A comprehensive Model Context Protocol service providing zodiac information queries, horoscope analysis, and compatibility testing between star signs.
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    A Model Context Protocol server that provides natural language access to Cortex API, enabling users to query information about their system's structure and make faster decisions about services, incidents, and team responsibilities.
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    Provides professional cycling data from FirstCycling, allowing users to retrieve comprehensive information about cyclists, race results, historical cycling data, and team information through natural language queries.
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    Provides Zig language tooling and code analysis, enhancing AI capabilities with Zig-specific functions like code optimization, compute unit estimation, code generation, and recommendations for best practices.
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    An MCP server that allows searching for and retrieving information about Model Context Protocol servers registered on the MCP Hub.
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    A MCP Server that gives AI assistants the ability to remember information about users across conversations using vector search technology.
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    Provides comprehensive system diagnostics and hardware analysis through 10 specialized tools for troubleshooting and environment monitoring. Offers targeted information gathering for CPU, memory, network, storage, processes, and security analysis across Windows, macOS, and Linux platforms.
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    A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
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    An MCP server that provides Overwatch 2 hero data, allowing users to retrieve hero lists and detailed information about specific heroes.
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