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World Weather Online MCP

World Weather Online MCP Server gives AI agents direct access to one of the world's most comprehensive weather APIs — trusted by 300,000+ developers and used by major airlines and airports worldwide. Tools available: * get_weather — current conditions and up to 14-day hourly forecasts for any city, postcode, or lat/lon * get_historical_weather — past weather data from July 2008 onwards, up to 30-

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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// known CVEs in dependencies3 high2 low

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

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

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

lowexpress@4.19.0GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

lowexpress@4.19.0GHSA-rv95-896h-c2vc

Express.js Open Redirect in malformed URLs

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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.
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 5 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/worldweatheronline-wwo-mcp-uar0a8)](https://m8ven.ai/mcp/worldweatheronline-wwo-mcp-uar0a8)
commit: 60a2426c4daa71543fb45097b3555ce6726d209b
code hash: 3f1195aa0971ce71a08e4ad06863b6cb1da77b53cd689d947de49f6d10127a20
verified: 6/17/2026, 12:06:24 PM
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