mcpcalculator

mcpcalculator

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MCP Calculator is a Go-based implementation of an MCP server with functionalities for calculator and greeting operations, following the official MCP specification. It supports JSON-RPC 2.0, server capability negotiation, and standard error handling, ensuring a secure and reliable server environment.

MCP Calculator

A Go implementation of a Model Context Protocol (MCP) server with calculator and greeting functionality. This implementation follows the official MCP specification.

Features

  • Full JSON-RPC 2.0 implementation
  • MCP protocol support
  • Tool registration and execution
  • Resource handling
  • Server capability negotiation
  • Error handling according to spec

Requirements

  • Go 1.21 or higher

Installation

  1. Clone the repository
  2. Fetch the dependencies

Usage

Starting the Server

Start the server on port 8080.

Protocol Implementation

  • JSON-RPC 2.0 communication
  • Server capabilities advertised during initialization
  • Implements tool registration and execution

Security

  • User consent required for tools and resources
  • No data sharing without explicit requests
  • Controlled and validated tool execution.