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MCP Server

by mikefey
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JavaScript
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MCP Server

A simple Model Context Protocol (MCP) server implementation that provides tool functionality through a standardized interface. This server currently implements a basic calculator tool that can add two numbers together.

Overview

This server uses the @modelcontextprotocol/sdk to create a standardized way of exposing tools to MCP clients. It runs over stdio transport, making it suitable for integration with various client applications.

Features

  • Implements MCP Server specification
  • Uses stdio transport for communication
  • Provides a calculate_sum tool that adds two numbers together

Available Tools

calculate_sum

A simple addition tool that takes two numbers and returns their sum.

Input Schema:

{ "type": "object", "properties": { "a": { "type": "number" }, "b": { "type": "number" } }, "required": ["a", "b"] }

Response: The tool will return the sum as a text response. For example, "8" for the above input.

Technical Details

  • Server Name: mcp-server
  • Version: 1.0.0
  • Transport: StdioServerTransport
  • SDK: @modelcontextprotocol/sdk

Getting Started

  1. Install dependencies:
npm|yarn|pnpm install @modelcontextprotocol/sdk
  1. Run the server:
  • Meant to be used with an MCP client, for example this one. Usage with that client would look like this:
npm|yarn|pnpm start <path_to_this_dir/build/index.js>

Error Handling

The server implements standard MCP error handling. If an unknown method is called, it will return a MethodNotFound error.

This server cannot be installed

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security - not tested
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license - not tested
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quality - not tested

A simple Model Context Protocol server that provides standardized tool functionality, currently implementing a basic calculator for adding two numbers together.

  1. Overview
    1. Features
      1. Available Tools
        1. calculate_sum
      2. Technical Details
        1. Getting Started
          1. Error Handling

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