Weather MCP Tool

Item: Weather MCP Tool
Rating: 54
Author: M8ven

Provides real-time weather information for cities worldwide using the OpenWeatherMap API, accessible through natural language queries via the MCP protocol.

→ thuong204/mcp-weather · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: OPENWEATHER_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 16 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

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.

// known CVEs in dependencies16 high14 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.17.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.17.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.11.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.11.0GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

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// required environment variables

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

🔐 secretOPENWEATHER_API_KEY— your_api_key_here

configPORT

// 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 2 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/thuong204-mcp-weather-ji7es3)](https://m8ven.ai/mcp/thuong204-mcp-weather-ji7es3)

commit: 11f38afeda4328425144c4aa5aef2e5b3456db20

code hash: 87c0f09313a048e4f8f21fb9057408b0fe4926263f08f8195944f109c46eeac7

verified: 6/22/2026, 12:32:22 PM

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