mcp-server-demo
Provides tools to query a local SQLite database, including search customers and get order by id, and exposes the database schema as a resource.
This server does not currently have a deployable release on Glama. Follow the repository's setup instructions to install and configure it for your MCP client, including any required credentials and local dependencies.
Objetivo
Demostrar dominio del protocolo abierto que está estandarizando cómo los LLM acceden a herramientas y datos externos. En vez de acoplar tools a un framework concreto, se construye un servidor MCP reutilizable por cualquier cliente compatible (Claude Desktop, el sistema multi-agente de este portfolio, IDEs, etc.).
El servidor expone, como mínimo:
Tools — acciones invocables: consultar una base de datos local (SQLite) y llamar a una API externa (ej. clima, tipo de cambio, o una API pública de datos).
Resources — datos legibles por el modelo (ej. el esquema de la base, un catálogo).
(Opcional) Prompts — plantillas de prompt reutilizables parametrizadas.
Related MCP server: MCP Server
Stack tecnológico
Opción A — Python: SDK oficial
mcp(conFastMCP) — recomendado por rapidez de desarrolloOpción B — TypeScript:
@modelcontextprotocol/sdk— útil si se quiere mostrar versatilidadTransporte:
stdiopara uso local con clientes de escritorio; Streamable HTTP para exposición remotaBase de datos: SQLite (con un dataset de ejemplo sembrado)
API externa: una API pública sin fricción (ej. Open-Meteo para clima, o exchangerate.host)
Validación: Pydantic (Python) o Zod (TS)
Cliente de prueba: MCP Inspector (
npx @modelcontextprotocol/inspector) y/o Claude DesktopTesting / calidad: pytest (o vitest), ruff/black (o eslint/prettier)
Estructura de carpetas (variante Python)
mcp-server-demo/
├── README.md
├── pyproject.toml
├── .env.example
├── data/
│ ├── seed.sql # Esquema + datos de ejemplo
│ └── demo.db # SQLite generada (git-ignored)
├── src/
│ ├── server.py # Entry point: instancia FastMCP y registra todo
│ ├── config.py
│ ├── tools/
│ │ ├── db_tools.py # query_customers, get_order_by_id, etc.
│ │ └── api_tools.py # get_weather, get_exchange_rate, etc.
│ ├── resources/
│ │ └── schema.py # Expone el esquema de la DB como resource
│ └── db/
│ └── connection.py # Conexión y helpers (queries parametrizadas)
├── scripts/
│ └── seed_db.py # Crea demo.db desde seed.sql
├── examples/
│ └── claude_desktop_config.json # Config de ejemplo para registrar el server
└── tests/
├── test_db_tools.py
└── test_api_tools.py📊 Diagrama
flowchart LR
client["Cliente MCP<br/>Claude Desktop · IDE · agentes"] -->|stdio| server["Servidor MCP · FastMCP"]
server --> db["Tool SQLite<br/>search_customers · get_order_by_id"]
server --> api["Tool clima<br/>get_weather · Open-Meteo"]
server --> res["Resource<br/>esquema de la base"]Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
Loading tool schema changelog…
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