Foehn MCP Server

MeteoSwiss Open Data - Python API, CLI & MCP server · tabular as DataFrames/Parquet, gridded as xarray/Zarr. It runs locally over stdio via the published package.

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

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 42 · #3 OF 56 MAINTAINED MAPS & LOCATION · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Foehn

Claude Code

claude mcp add kayhendriksen-foehn -- uvx foehn

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "kayhendriksen-foehn": {
      "command": "uvx",
      "args": [
        "foehn"
      ]
    }
  }
}

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

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

license MIT - declared in the repository

pypi package foehn - check the name against the project README before installing (PyPI has no namespace ownership)

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

03 · What Foehn can do

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

Latest releases

v0.3.4 · 2026-07-27

What's new in 0.3.4 · A performance release: converting climate_scenarios no longer holds the whole · collection in memory, so peak RSS stays flat as MeteoSwiss publishes more files. · Performance · climate_scenarios…

v0.3.3 · 2026-07-21

What's new in 0.3.3 · A correctness release: local forecasts actually return data, and ten dataset · keys that no longer exist upstream are gone. · forecast_local returned nothing. A STAC item in this collection is one…

v0.3.2 · 2026-06-10

What's new in 0.3.2 · A reliability and security release - no new datasets, but downloads, parsing, · and the release pipeline are all hardened. · Fixed an infinite loop in CSV parsing. The dtype-recovery fallback in…

04 · Who maintains Foehn

foehn is maintained by kayhendriksen. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

repository: github.com/kayhendriksen/foehn
website: https://github.com/kayhendriksen/foehn
category: maps & location - ranked #3 of 56 actively-maintained maps & location servers as of 2026-08-25.
release cadence: 4 releases in the last 90 days (latest 2026-07-27)
registry: io.github.kayhendriksen/foehn (active, first published 2026-04-04 · 16 versions)
packages: pypi:foehn

06 · Foehn FAQ

What is Foehn?

MeteoSwiss Open Data - Python API, CLI & MCP server · tabular as DataFrames/Parquet, gridded as xarray/Zarr. It runs locally over stdio via the published package.

Is Foehn still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 4 releases in the last 90 days. We re-verify nightly.

How do I install Foehn?

Run `uvx foehn`. You can also paste the ready-made client config above.

Does Foehn run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Foehn

Alternatives to Foehn

Maintained maps & location servers if Foehn isn't the fit.

More maps & location MCP servers · Belgium · Swisstopo MCP · Zurich Opendata MCP · Source Map Parser MCP

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