MeteoSwiss MCP Server

Swiss weather data for AI assistants - powered by MeteoSwiss Open Government Data (OGD), the same data behind the MeteoSwiss app and website. Free, no API key required. Its 7 documented tools cluster into read & search, meteoswiss local forecast, meteoswiss current weather, meteoswiss stations.

People connecting maps & location tools to Claude, Cursor, VS Code, or another MCP client. The project is written in HTML.

VERIFIED ACTIVE

LAST COMMIT 2026-08-23 · ★ 2 · #20 OF 56 MAINTAINED MAPS & LOCATION · VERIFIED 2026-08-25

CC0-1.0 · HTML · how we verify → /methodology

01 · Install MeteoSwiss MCP Server

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add eins78-meteoswiss-llm-tools --transport http https://meteoswiss-mcp.ars.is/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "eins78-meteoswiss-llm-tools": {
      "url": "https://meteoswiss-mcp.ars.is/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://meteoswiss-mcp.ars.is/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to meteoswiss-mcp.ars.is

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license CC0-1.0 - declared in the repository

npm package meteoswiss-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.eins78 is GitHub-verified and matches the repo owner

03 · What MeteoSwiss MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can search station network by name, canton, or coordinates, and fetch full content from MeteoSwiss pages.

Capability map

Tools grouped from the project's README - what MeteoSwiss MCP Server lets an agent do.

read & search

2 tools - e.g. Search MeteoSwiss website content (DE, FR, IT, EN); Fetch full content from MeteoSwiss pages

search · fetch

Meteoswiss Local Forecast

1 tool - e.g. Multi-day forecasts by postal code, station, or place name

meteoswissLocalForecast

Meteoswiss Current Weather

1 tool - e.g. Real-time measurements (temperature, wind, humidity, pressure)

meteoswissCurrentWeather

Meteoswiss Stations

1 tool - e.g. Search station network by name, canton, or coordinates

meteoswissStations

Meteoswiss Pollen Data

1 tool - e.g. Pollen concentration data from monitoring stations

meteoswissPollenData

Meteoswiss Climate Data

1 tool - e.g. NBCN climate series - temperature, precipitation, sunshine, and climate indicators going back decades

meteoswissClimateData

Latest releases

meteoswiss-skills-v1.1.0 · 2026-07-24

1.1.0 - 2026-07-18 · Add climate data (NBCN) coverage to the meteoswiss-ogd skill: a new "Get Climate Data" section in SKILL.md with a live-verified curl workflow for the homogeneous climate series…

meteoswiss-mcp-v3.0.0 · 2026-07-24

3.0.0 - 2026-07-18 · meteoswissLocalForecast's daily forecast shape has changed. The nested temperature: { min, max, unit } and precipitation: { total, unit, hourly } objects are removed, replaced by flat…

meteoswiss-mcp-v2.3.2 · 2026-04-20

meteoswiss-mcp 2.3.2 - ChatGPT Deep Research / Connectors compat fix · Restores ChatGPT Deep Research / Connectors compatibility for the fetch tool after a regression in 2.3.1. · What changed · fetch argument renamed…

04 · Who maintains MeteoSwiss MCP Server

MeteoSwiss MCP Server is maintained by eins78. It's the only MCP server we track from this author; the repo dates to Apr 2025.

05 · Facts

repository: github.com/eins78/meteoswiss-llm-tools
category: maps & location - ranked #20 of 56 actively-maintained maps & location servers as of 2026-08-25.
release cadence: 2 releases in the last 90 days (latest 2026-07-24)
registry: io.github.eins78/meteoswiss-mcp (active, first published 2026-03-29)
packages: npm:meteoswiss-mcp

06 · MeteoSwiss MCP Server FAQ

Is MeteoSwiss MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-23 and it shipped 2 releases in the last 90 days. We re-verify nightly.

What can MeteoSwiss MCP Server do?

With this server connected, an agent can search station network by name, canton, or coordinates, and fetch full content from MeteoSwiss pages.

How do I install MeteoSwiss MCP Server?

Run `npx -y meteoswiss-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does MeteoSwiss MCP Server require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to MeteoSwiss MCP Server

Alternatives to MeteoSwiss MCP Server

Maintained maps & location servers if MeteoSwiss MCP Server isn't the fit.

More maps & location MCP servers · Echorune Radar · Arcgis MCP Server · Atlas · Flowzap · Sleepwalker