Ping Host MCP
Minimal MCP server that enables network connectivity testing via ping commands from VS Code Chat. Features cross-platform support and secure execution using execFile with input validation to prevent command injection.
README
prueba_mcp
Servidor MCP minimo para usar desde VS Code Chat con una sola tool: ping_host.
Idea
Este proyecto vive fuera del repo prueba_skills, pero el workspace de prueba_skills lo referencia mediante .vscode/mcp.json. Asi puedes seguir en este prompt y dejar que el host de chat descubra la herramienta.
Tool disponible
ping_host: hace ping a un host o IP indicado por el usuario.
Instalar
npm install
Ejecutar manualmente
npm start
Nota: al ser un servidor MCP por stdio, no debes escribir logs a stdout. Si necesitas depurar, usa stderr.
Uso esperado desde chat
Una vez que VS Code cargue el servidor MCP del workspace, deberias poder pedir algo como:
Usa la herramienta ping_host para hacer ping a 8.8.8.8
o
Hace ping a github.com con 2 intentos
Seguridad y limites
- La tool usa
execFile, no shell, para evitar inyeccion de comandos. - El host se valida como nombre de host o IP simple.
- El numero de intentos se limita a un rango chico.
- En Windows usa
ping -n; en Unix usaping -c.
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