Open-Meteo MCP Server

→ cmer81/open-meteo-mcp · listed on mcp_so

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 17 high

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

🔐

You'll be asked for 1 credential: 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.

🔐 secretAPI_KEY— your-secret-key RATE_LIMIT_RPM=60 TRANSPORT=http PORT=3000 npx open-meteo-mcp-server

configOPEN_METEO_AIR_QUALITY_API_URL— "": "https://air-quality-api.open-meteo.com",

configOPEN_METEO_API_URL— "": "https://api.open-meteo.com",

configOPEN_METEO_ARCHIVE_API_URL— "": "https://archive-api.open-meteo.com",

configOPEN_METEO_CLIMATE_API_URL— "": "https://climate-api.open-meteo.com"

configOPEN_METEO_ENSEMBLE_API_URL— "": "https://ensemble-api.open-meteo.com",

configOPEN_METEO_FLOOD_API_URL— "": "https://flood-api.open-meteo.com",

configOPEN_METEO_GEOCODING_API_URL— "": "https://geocoding-api.open-meteo.com",

configOPEN_METEO_MARINE_API_URL— "": "https://marine-api.open-meteo.com",

configOPEN_METEO_SEASONAL_API_URL— "": "https://seasonal-api.open-meteo.com",

configPORT— TRANSPORT=http =3000 npx open-meteo-mcp-server

configRATE_LIMIT_RPM— API_KEY=your-secret-key =60 TRANSPORT=http PORT=3000 npx open-meteo-mcp-server

configTRANSPORT— The server also supports Streamable HTTP transport for remote deployments. Set the environment variable to http:

configTRUSTED_PROXIES

// 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/cmer81-open-meteo-mcp-2qp057)](https://m8ven.ai/mcp/cmer81-open-meteo-mcp-2qp057)

commit: d1f0c7b9434d4253a7b40c83325c011d37b23a2d

code hash: dc82555b550df41dd07cd6fa56af08cf63c85851700719edfebb8fc467fbedf0

verified: 6/8/2026, 12:08:53 PM

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