Python Simple MCP Weather Server

A tutorial-based MCP server that fetches real-time weather data from the OpenWeatherMap API for specified locations. It serves as a practical example for implementing the Model Context Protocol using Python and the FastMCP library.

→ billumi/mcp-sample · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: OPENWEATHER_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretOPENWEATHER_API_KEY— export =your_api_key_here

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/billumi-mcp-sample-1dm82y)](https://m8ven.ai/mcp/billumi-mcp-sample-1dm82y)

commit: 6ac378c1f99e2ebef588946c70e81c3db67eabb4

code hash: c5790f74384448995a15af2d8f35f2197e177b5728c858992b626bfb302babe4

verified: 6/15/2026, 3:13:00 PM

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