Aemet MCP

MCP server for AEMET — Spain's weather agency. Forecasts, CAP warnings, station observations.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "aemet-mcp": {
      "url": "https://opendata.aemet.es/"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

aemet-client monorepo

Tools for working with AEMET OpenData, the public API of Spain's State Meteorological Agency.

Package	Description	npm
`aemet-client`	Typed TypeScript SDK + CLI for AEMET OpenData. Used in production at snowy.es.
`aemet-mcp`	Model Context Protocol server: plug AEMET into Claude Desktop, Cursor, Windsurf or any MCP client. Runs locally over stdio.

Quick links

Just want to use AEMET from code? → packages/aemet-client/README.md
Want your LLM to answer Spanish weather questions? → packages/aemet-mcp/README.md
Spanish docs → packages/aemet-client/README.es.md

Develop

Requires Node.js ≥ 20.18 and pnpm ≥ 10.

bash

pnpm install
pnpm -r build
pnpm -r test
pnpm -r typecheck
pnpm lint

To work on a single package:

bash

pnpm --filter aemet-client test
pnpm --filter aemet-mcp dev

The E2E suite (pnpm --filter aemet-client test:e2e) hits the real AEMET API and is skipped unless AEMET_API_KEY is set. CI runs it behind a repository secret.

Release

aemet-client is released by pushing a tag v<x.y.z> or aemet-client-v<x.y.z>. The release workflow checks the tag matches packages/aemet-client/package.json before publishing to npm via Trusted Publishing (OIDC, no token).
aemet-mcp is released by pushing a tag aemet-mcp-v<x.y.z> using the same Trusted Publishing setup. pnpm publish rewrites the workspace:^ dependency on aemet-client to a real semver range.

See CONTRIBUTING.md for development guidelines.

License

MIT © Jorge Carrera

Read the full README →View source on GitHub →

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Frequently Asked Questions about Aemet MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "aemet-mcp": { "command": "npx", "args": ["-y", "aemet-mcp"] } }

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Technical Specs & Signals

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Documentation Overview

aemet-client monorepo

Tools for working with AEMET OpenData, the public API of Spain's State Meteorological Agency.

Package	Description	npm
`aemet-client`	Typed TypeScript SDK + CLI for AEMET OpenData. Used in production at snowy.es.
`aemet-mcp`	Model Context Protocol server: plug AEMET into Claude Desktop, Cursor, Windsurf or any MCP client. Runs locally over stdio.

Quick links

Just want to use AEMET from code? → packages/aemet-client/README.md
Want your LLM to answer Spanish weather questions? → packages/aemet-mcp/README.md
Spanish docs → packages/aemet-client/README.es.md

Develop

Requires Node.js ≥ 20.18 and pnpm ≥ 10.

bash

pnpm install
pnpm -r build
pnpm -r test
pnpm -r typecheck
pnpm lint

To work on a single package:

bash

pnpm --filter aemet-client test
pnpm --filter aemet-mcp dev

The E2E suite (pnpm --filter aemet-client test:e2e) hits the real AEMET API and is skipped unless AEMET_API_KEY is set. CI runs it behind a repository secret.

Release

aemet-client is released by pushing a tag v<x.y.z> or aemet-client-v<x.y.z>. The release workflow checks the tag matches packages/aemet-client/package.json before publishing to npm via Trusted Publishing (OIDC, no token).
aemet-mcp is released by pushing a tag aemet-mcp-v<x.y.z> using the same Trusted Publishing setup. pnpm publish rewrites the workspace:^ dependency on aemet-client to a real semver range.

See CONTRIBUTING.md for development guidelines.