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Basic MCP Weather Tool

Basic MCP Weather Tool

by itsPatH

🛠️ Basic MCP Demo - Weather Tool

Este proyecto es un ejemplo básico de un servidor MCP (Model Context Protocol) implementado en Node.js. Define una herramienta simple para consultar información del clima de una ciudad utilizando la API pública de Open-Meteo.

📦 Características

  • Servidor MCP compatible utilizando @modelcontextprotocol/sdk.

  • Herramienta fetch-weather que permite consultar el clima de una ciudad.

  • Ejemplo educativo, ideal para entender el flujo básico de MCP.

  • Sin claves API privadas, solo usa servicios públicos gratuitos.

Related MCP server: Weather MCP

🚀 Requisitos

  • Node.js (v18 o superior recomendado)

  • Acceso a Internet para consultar las APIs públicas

⚙️ Instalación

  1. Clona el repositorio:

    git clone https://github.com/itsPatH/basicMCP.git
    cd basicMCP
  2. Instala las dependencias:

npm install
  1. Ejecuta el servidor MCP:

npx ts-node main.ts   

Nota: Este servidor espera ser utilizado por un cliente MCP compatible (como Claude con soporte MCP habilitado). Si no tienes un cliente MCP, el servidor quedará esperando conexión.

🌐 Alternativa para Pruebas Locales (Opcional)

Puedes extender este proyecto para agregar un servidor HTTP local y probar la herramienta sin un cliente MCP. Ejemplo de esto disponible en la rama local-test.

⚠️ Advertencias

⚡ Este proyecto es solo para fines educativos. ⚡ No está pensado para entornos de producción. ⚡ Si amplías el proyecto, no subas archivos con claves privadas o información sensible.

📄 Licencia

Este proyecto está bajo la licencia MIT. Eres libre de usarlo, modificarlo o distribuirlo para aprendizaje.

✨ Créditos

Available Tools

1 tool
fetch-weatherC

Tool to fetch weather information

Inputs: city (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    C2.9/5.0

    Scored across 1 tool

    Disambiguation5/5

    With only one tool, there is no possibility of ambiguity or overlap between tools. The tool 'fetch-weather' has a clear and distinct purpose, making it impossible for an agent to misselect among non-existent alternatives.

    Naming Consistency5/5

    Since there is only one tool, naming consistency is inherently perfect. The tool name 'fetch-weather' follows a verb_noun pattern, and with no other tools to compare against, there are no deviations or inconsistencies in naming conventions.

    Tool Count2/5

    A single tool for a weather server is too few for the apparent scope, as weather-related operations typically involve more than just fetching data (e.g., forecasts, historical data, or location-based queries). This minimal set feels thin and limits functionality, indicating a mismatch with the domain's needs.

    Completeness2/5

    The tool surface is severely incomplete for a weather domain. While 'fetch-weather' provides basic retrieval, there are obvious gaps such as lacking forecast tools, historical data access, or location-specific queries. This will likely cause agent failures when more comprehensive weather information is needed.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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