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Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.
About
Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.
Remote endpoints: streamable-http: https://meteoswiss-mcp.ars.is/mcp
Security Report
9.7
Low Risk9.7Low RiskValid MCP server (4 strong, 3 medium validity signals). No known CVEs in dependencies. ⚠️ Package registry links to a different repository than scanned source. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
9 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
🌦️ MeteoSwiss LLM Tools
Swiss weather data for AI assistants — powered by MeteoSwiss Open Data, the same data behind the MeteoSwiss app and website. Free, no API key required.
meteoswiss-mcp.ars.is — try the hosted service instantly, no setup needed.
- Multi-day forecasts for ~6000 Swiss locations (postal codes, stations, place names)
- Real-time measurements from ~160 automatic weather stations, updated every 10 minutes
- Station discovery by name, canton, or GPS coordinates
- Pollen monitoring from ~15 stations across Switzerland
- MeteoSwiss website search and content retrieval
Choose Your Approach
This monorepo offers two ways to bring Swiss weather data into AI assistants:
| MCP Server | Agent Skill | |
|---|---|---|
| How it works | Standalone server exposing structured tools via MCP | Teaches agents to call MeteoSwiss APIs directly via HTTP |
| Best for | Claude Desktop, Claude.ai, any MCP client | Claude Code, Cursor, agents without MCP support |
| Features | Fuzzy station matching, geocoding, structured JSON, prompts | Lightweight, no server process, shell scripts included |
| Install | One-liner or Docker | Skill package or symlink |
| Requires | Node.js 22+ (or Docker) | curl, awk, jq |
MCP Server — Quickstart
Use the hosted instance (no installation):
# Claude Code
claude mcp add meteoswiss https://meteoswiss-mcp.ars.is/mcp
For Cursor, install from the Cursor Directory or add manually via Settings → MCP.
Or self-host with Docker:
docker run -p 3000:3000 ghcr.io/eins78/meteoswiss-mcp:latest
See the meteoswiss-mcp README for Claude Desktop setup, environment variables, and full documentation.
Agent Skill — Quickstart
Install via the Claude Code plugin marketplace:
/plugin marketplace add eins78/meteoswiss-llm-tools
/plugin install meteoswiss-skills@meteoswiss-marketplace
Or with the Skills CLI:
pnpx skills add https://github.com/eins78/meteoswiss-llm-tools.git#packages/meteoswiss-skills --global --agent claude-code --all
See the meteoswiss-skills README for manual installation and details.
Available Tools (MCP Server)
| Tool | Description |
|---|---|
meteoswissLocalForecast | Multi-day forecasts by postal code, station, or place name |
meteoswissCurrentWeather | Real-time measurements (temperature, wind, humidity, pressure) |
meteoswissStations | Search station network by name, canton, or coordinates |
meteoswissPollenData | Pollen concentration data from monitoring stations |
search | Search MeteoSwiss website content (DE, FR, IT, EN) |
fetch | Fetch full content from MeteoSwiss pages |
Example Questions
Works with both approaches — just ask in any of Switzerland's four languages:
- "What's the weather forecast for Zurich this week?"
- "Wie wird das Wetter in Bern morgen?"
- "Quelle est la météo à Genève?"
- "Che tempo fa a Lugano?"
Packages
| Package | Version | Description |
|---|---|---|
meteoswiss-mcp |  | MCP server with structured tools, fuzzy matching, and geocoding |
meteoswiss-skills | 1.0.0 | Agent skill — direct HTTP access, no server needed |
Development
git clone https://github.com/eins78/meteoswiss-llm-tools.git
cd meteoswiss-llm-tools
nvm use && pnpm install
See each package's README for package-specific commands. The repo uses changesets for versioning.
Data Source
All weather data comes from MeteoSwiss Open Government Data (OGD) — the official free data offering from Switzerland's Federal Office of Meteorology and Climatology. The same data powers the MeteoSwiss app and website.
License
CC0-1.0 — public domain
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