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MCP Calculator

@akhidasTech

リポジトリ

基本情報

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その他

トランスポート

stdio

作者

akhidasTech

MCP Calculator について

A Go implementation of MCP server with calculator and greeting functionality

#mcpcalculator#mcp-server#calculator

MCP Calculator の設定

標準の設定はありません

このサーバーの README には解析可能な MCP 設定ブロックが含まれていません。インストール手順はリポジトリをご確認ください。

リポジトリ

MCP Calculator のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MCP Calculator?

MCP Calculator is a Go implementation of a Model Context Protocol (MCP) server that provides calculator (addition) and greeting functionality. It follows the official MCP specification and uses JSON‑RPC 2.0 for communication.

How to use MCP Calculator?

Clone the repository, run go mod download, then start the server with go run main.go (listens on port 8080). Send JSON‑RPC 2.0 requests via HTTP POST to http://localhost:8080 using tools like add (params a, b) or greeting (params name).

Key features of MCP Calculator

  • Full JSON‑RPC 2.0 implementation
  • MCP protocol support with capability negotiation
  • Tool registration and execution (add, greeting)
  • Resource handling according to MCP spec
  • Standard error handling with proper error codes
  • Security guidelines: user consent, data privacy, tool safety

Use cases of MCP Calculator

  • Perform basic arithmetic (addition) via an MCP‑compliant server
  • Generate personalized greetings through a resource endpoint
  • Test or prototype MCP protocol interactions in Go
  • Demonstrate JSON‑RPC 2.0 tool and resource patterns

よくある質問

1

What runtime does MCP Calculator require?

Go 1.21 or higher.

2

How do I install and start the server?

Clone the repository, run `go mod download`, then execute `go run main.go`. The server starts on port 8080.

3

What tools are available?

Two tools: `add` (takes parameters `a` and `b`, returns their sum) and `greeting` (takes parameter `name`, returns a greeting).

4

How are requests and responses formatted?

All communication uses JSON‑RPC 2.0. Requests include `jsonrpc`, `id`, `method`, and `params`. Responses contain `jsonrpc`, `id`, and `result` (or `error` with code, message, and optional data).

5

What security measures are implemented?

The server follows MCP security guidelines: tools require explicit invocation, no data is shared without requests, tool execution is controlled and validated, and proper error reporting is used.

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