mcp-ping-server-giulia-ai
A simple MCP server providing ping, echo, and TCP host health-check tools with latency measurement. It enables transport testing and real network connectivity checks through natural language.
README
PRJ-01 — Ping Server (MCP nível "super easy")
Servidor MCP (FastMCP, transporte stdio) — o exemplo introdutório do Capítulo 2
do livro Model Context Protocol (Sandeco), aqui com uma tool de utilidade real.
🏗️ Arquitetura do Servidor
Tools
| Tool | O que faz |
|---|---|
ping |
Health-check do próprio servidor — retorna pong. |
echo(mensagem) |
Devolve exatamente a mensagem (teste de transporte). |
check_host(host, port=443, timeout=3.0) |
Health-check TCP real: abre conexão e mede a latência (ms). |
Uso
uv sync
uv run python src/ping_server.py # ou: uv run python src/main.py
Registre no Claude Desktop apontando para src/ping_server.py (transporte stdio).
Exemplo de uso da tool real: check_host("1.1.1.1", 443) → UP 1.1.1.1:443 — 12.3 ms.
Sem segredos externos.
Testes
uv run pytest # 12 testes
check_host é exercitado contra um socket TCP local em porta efêmera — nada sai da máquina.
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