🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool

Name: 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool
Author: RGGH

@RGGH

リポジトリ

🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool について

Rig MCP Server Example (April 7, 2025)

#rust #rig #mcp-server

基本情報

カテゴリ

開発者ツール

ランタイム

rust

トランスポート

stdio

公開者

RGGH

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "rig-mcp-server": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "sse",
        "http://127.0.0.1:3001/sse"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

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 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool?

This project demonstrates how to set up an MCP (Model Context Protocol) server and client using Server-Sent Events (SSE) for communication. It includes a simple tool that adds two numbers and integrates with the RIG agent for LLM prompting.

How to use 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool?

Clone the repository and run cargo run. In a separate terminal, start the MCP Inspector with npx @modelcontextprotocol/inspector sse http://127.0.0.1:3001/sse. Then open http://localhost:5173 in a web browser to view the Inspector UI.

Key features of 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool

Sets up a custom MCP server using ServerSseTransport
Connects an MCP client to the server via SSE
Registers a custom Add tool that adds two numbers
Lists registered tools through MCP protocol
Integrates with the RIG agent and OpenAI LLM

Use cases of 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool

Learning how to implement an MCP server with SSE transport
Prototyping and testing custom MCP tools in a sandboxed environment
Integrating an LLM agent with external tools via the MCP protocol
Debugging MCP servers using the inspector web interface

FAQ from 🔍 Rust MCP Server + Inspector Example: SSE Transport with an Add Tool

What does this project do exactly?

It sets up an MCP server with an SSE transport, registers a tool to add two numbers, connects an MCP client, and prompts a RIG agent (using OpenAI) to invoke that tool.

What dependencies are required?

Rust with tokio, anyhow, serde_json, mcp_core, mcp_core_macros, and rig. The MCP Inspector requires Node.js to run npx.

What transport does the server use?

Server-Sent Events (SSE) on port 3001, with the inspector proxy listening on port 3000 and a web UI on port 5173.

Does this require an API key?

Yes, the RIG agent uses an OpenAI model, so a valid OpenAI API key must be set in the environment.

How can I test the tool manually?

After starting the server and inspector, visit http://localhost:5173 to see the tool list and invoke the Add tool. The agent also runs a prompt "Add 10 + 10" and prints the response.

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