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basic-mcp

by tchoupoGuy
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JavaScript
Hybrid

basic-mcp

A Model Context Protocol (MCP) server with a React interface, exposing tools and resources related to GitHub users and weather.

Project structure

basic-mcp/
├── server/          # Serveur MCP (Node.js / TypeScript)
│   ├── main.ts      # Point d'entrée — transport stdio
│   ├── server-http.ts # Point d'entrée — transport HTTP (Streamable HTTP)
│   └── src/
│       ├── application/   # Cas d'usage (GetGitHubUser, GetWeather)
│       ├── domain/        # Entités et ports (interfaces)
│       ├── infrastructure/ # Implémentations des repositories
│       └── interface/mcp/ # Outils et ressources MCP exposés
└── client/          # Interface React + Vite
    └── src/
        ├── application/hooks/  # useMcpTool, useMcpResource
        ├── domain/             # Entités côté client
        ├── infrastructure/mcp/ # Adaptateur MCP client
        └── presentation/       # Composants React

Related MCP server: Weather MCP

Prerequisites

  • Node.js >= 18

  • npm >= 9

Installation

npm install
cd client && npm install

Getting started

Server only (stdio)

npm run start

HTTP server (port 3001)

npm run start:http

HTTP server + React interface

npm run start:ui

The interface is accessible at http://localhost:5173. The HTTP MCP server listens at http://localhost:3001/mcp.

Available MCP tools

Tool

Description

ping

Checks that the server is responding

get-github-user

Returns information for a GitHub user

get-weather

Returns the weather for a latitude/longitude

Available MCP resources

URI

Description

github-user://{username}

GitHub profile of a user

weather://{lat},{lon}

Weather for GPS coordinates

Architecture

The project follows the principles of Clean Architecture:

  • Domain — entities and port interfaces (no external dependencies)

  • Application — use cases orchestrating business logic

  • Infrastructure — HTTP calls to external APIs (GitHub, Open-Meteo)

  • Interface — exposure via the MCP protocol

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

Related MCP Connectors

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