Everything MCP Server

Everything MCP Server

4.6

Everything MCP Server is hosted online, so all tools can be tested directly either in theTools tabor in theOnline Client.

If you are the rightful owner of Everything MCP Server and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcpreview.com.

The Everything MCP Server is a comprehensive test server designed to demonstrate the full capabilities of the Model Context Protocol (MCP). It is not intended for production use but serves as a valuable tool for developers building MCP clients.

The Everything MCP Server is a versatile test server that showcases the full range of features offered by the Model Context Protocol (MCP). It is designed to help developers test and build MCP clients by providing a wide array of tools, resources, and prompts. The server includes functionalities such as echoing messages, performing arithmetic operations, simulating long-running operations, and demonstrating LLM sampling. It also offers a variety of resources in different formats and supports features like pagination, resource updates, and annotations. The server is equipped with logging capabilities and can be integrated with platforms like Claude Desktop and VS Code using different transport methods, including stdio, SSE, and streamable HTTP.

Features

  • Comprehensive toolset including echo, arithmetic operations, and LLM sampling.
  • Resource management with support for pagination and updates.
  • Prompt handling with simple and complex prompts, including resource embedding.
  • Logging capabilities with random-leveled log messages.
  • Integration support for platforms like Claude Desktop and VS Code.

Tools

  1. echo

    Echoes back the input

  2. add

    Adds two numbers

  3. printEnv

    Prints all environment variables, helpful for debugging MCP server configuration

  4. longRunningOperation

    Demonstrates a long running operation with progress updates

  5. sampleLLM

    Samples from an LLM using MCP's sampling feature

  6. getTinyImage

    Returns the MCP_TINY_IMAGE

  7. annotatedMessage

    Demonstrates how annotations can be used to provide metadata about content

  8. getResourceReference

    Returns a resource reference that can be used by MCP clients