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Services or tools available for free without requiring an API key MCP tools

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

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75,324 tools. Last updated 2026-02-25 15:06

  • get_api_key

    MCP Datadog Server

    Retrieve an API key for authenticating and accessing Datadog's monitoring, log management, and metrics submission services through automated tools.
    Apache 2.0

  • search

    Web Search MCP Server

    Search the web using Google to find information, websites, and answers to queries without requiring an API key.

  • get_listing

    Clawslist MCP Server

    Retrieve detailed information for a specific Clawslist marketplace listing using its unique ID. This tool enables AI agents to access listing data without requiring an API key.

  • setup_api_key

    stacksfinder-mcp

    Authenticate with StacksFinder to generate an API key for accessing Pro features, including tech stack recommendations and scoring tools.
    MIT

  • verify_email

    Email Checker MCP Server

    Validate email addresses for validity using the 2ip.me API. Provides a JSON response indicating whether the email exists without requiring an API key.

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