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MeteoSwiss MCP Server

R0· no sign-in

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

v2.0.2 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality74needs work
Trust83of 100
Uptime, 30 days100%
Latency p50826 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "meteoswiss-mcp": {
      "type": "http",
      "url": "https://meteoswiss-mcp.ars.is/mcp"
    }
  }
}
claude mcp add --transport http meteoswiss-mcp https://meteoswiss-mcp.ars.is/mcp
[mcp_servers.meteoswiss-mcp]
url = "https://meteoswiss-mcp.ars.is/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "meteoswiss-mcp": {
      "type": "remote",
      "url": "https://meteoswiss-mcp.ars.is/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "meteoswiss-mcp": {
      "type": "http",
      "url": "https://meteoswiss-mcp.ars.is/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=meteoswiss-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWV0ZW9zd2lzcy1tY3AuYXJzLmlzL21jcCJ9"
}
{
  "servers": {
    "meteoswiss-mcp": {
      "type": "http",
      "url": "https://meteoswiss-mcp.ars.is/mcp"
    }
  }
}
{
  "mcpServers": {
    "meteoswiss-mcp": {
      "httpUrl": "https://meteoswiss-mcp.ars.is/mcp"
    }
  }
}
extensions:
  "meteoswiss-mcp":
    enabled: true
    name: "meteoswiss-mcp"
    type: streamable_http
    uri: "https://meteoswiss-mcp.ars.is/mcp"
    timeout: 300

Quality 74 / 100needs work

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene64 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • warn
    tools.description_length1 tools have descriptions over 1,024 characters, which crowds the context
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: fetch (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); meteoswissCurrentWeather (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); meteoswissStations (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 2,449 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes1 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependencies67 · weight 15
  • pass
    deps.known_vulnsno known advisory in 212 resolved packages
  • fail
    deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
  • pass
    deps.resolvable[email protected] resolved: 212 packages

7 tools, about 2,449 tokens to load them all · tool set 3a509e54947a · tools last changed 2026-10-11 · checked 2026-10-20 17:02 UTC

Tool changes

  • meteoswissLocalForecastchangedoutput schema

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

provenance80
liveness100
freshness45
hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% -stale-205d

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

[email protected] npm211 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisoryseveritypackagefixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP serverhigh@modelcontextprotocol/[email protected]MCP SDK, directfixed in 1.31.0

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://meteoswiss-mcp.ars.is/mcp streamable-httpnoneyes100%826 ms2025-11-252026-10-20
packageregistryversionruntimesecrets
meteoswiss-mcpnpm2.0.2–

Tools (7)

fetchFetch full content from a MeteoSwiss webpage and convert to markdown or plain text. Use the search tool first to discover valid page URLs, then pass the full URL as the id parameter.
meteoswissClimateDataGet homogeneous climate measurement series from Switzerland's National Basic Climatic Network (NBCN). Returns temperature, precipitation, sunshine, radiation, wind, pressure, and climate indicators (frost days, summer days, heat days) going back decades. 29 climate stations + 46 precipitation stations with daily, monthly, and yearly resolution. Use cases: "What are typical January temperatures in Zurich?", "How has precipitation changed in Basel over 50 years?", "How many heat days did Lugano have last year?" Accepts station names ("Zurich", "Basel"), abbreviations ("SMA", "BAS"), or WGS84 coordinates.
meteoswissCurrentWeatherGet real-time weather measurements from ~300 Swiss automatic weather stations (~160 full weather + ~140 precipitation-only). Returns temperature, precipitation, wind, humidity, pressure, sunshine, and more. Data updates every 10 minutes. Precipitation-only stations return only rainfall data. For 8 stations (Zurich, Basel, Chur, Sion, Altdorf, Säntis, Jungfraujoch, Grand St-Bernard), also includes daily visual observations: cloud cover, fog, rain, snowfall, hail, and snow coverage. Accepts station names ("Zurich"), abbreviations ("SMA"), addresses ("Bahnhofplatz 1 Bern"), or WGS84 coordinates. Automatically finds the nearest station.
meteoswissLocalForecastGet a multi-day weather forecast for any Swiss location. Returns daily summaries (temperature, precipitation, sunshine, wind, weather icon) plus a hierarchical hourly breakdown of every series. This uses official MeteoSwiss Open Data — the same forecasts powering the MeteoSwiss app and website. Accepts: - Postal codes: "8001" (Zurich), "3000" (Bern), "1200" (Geneva) - Station abbreviations: "SMA" (Zurich Fluntern), "BER" (Bern) - Place names: "Zurich", "Basel", "Lugano" Coverage: ~6000 Swiss locations (all postal codes + weather stations + mountain points). Forecast horizon: up to 9 days. Updated hourly. Each day's summary fields: temperature_min_c, temperature_max_c, precipitation_total_mm, sunshine_total_minutes, wind_avg_kmh, wind_gust_max_kmh, weather, weather_icon_url. Each day also includes "hourly": one array of per-hour objects covering every series together — { time, temperature_c, precip_mm, sunshine_minutes, wind_kmh, wind_gust_kmh } — useful for judging *when* rain, sun, or wind is expected, not just the daily summary: - Each entry's "time" is already local wall-clock time for the location (Europe/Zurich), with the UTC offset included, e.g. "2026-07-09T14:00:00+02:00". It is NOT UTC — do not convert it. - A dry/calm/sunless hour is reported as its measured value (often 0), not omitted. A fully dry day is still a full array of zero-precipitation hours, not an empty array. - Each field is independently null if just THAT series has no reading for a given hour — the other fields for that same hour are still populated. An hour is omitted entirely only when every series is missing for it. - "hourly" itself is null when no hourly breakdown exists for this location at all (a total data gap); [] only when this location supports hourly data but none was available for that specific day. - For weather stations, temperature_min_c/temperature_max_c/precipitation_total_mm are MeteoSwiss's own official daily aggregates — a different, separately-curated product from the hourly series shown alongside them. They can legitimately NOT match summing/ averaging the hourly entries for that day; this is expected, not a data error. sunshine_total_minutes/wind_avg_kmh/wind_gust_max_kmh have no official daily product for stations and are always derived from the hourly series. For postal codes/mountain points, every summary field is derived from the same hourly series shown alongside it, so it always matches summing/averaging that series exactly.
meteoswissPollenDataGet current pollen concentration data from MeteoSwiss monitoring stations (~15 stations across Switzerland). Shows pollen levels for 7 measured species (alder, birch, hazel, beech, ash, oak, grasses) — each is always included, with a "no-current-data" status when out of season. Ambrosia (ragweed) is a MeteoSwiss forecast-only category and is not part of this OGD measurement network, so it is not included. Useful for allergy sufferers.
meteoswissStationsList and search MeteoSwiss measurement stations. Filter by name, canton, or browse the full network of ~300 stations (~160 full weather + ~140 precipitation-only) across Switzerland.
searchSearch MeteoSwiss website content in multiple languages (DE, FR, IT, EN). Returns relevant pages with URLs that can be passed to the fetch tool. Always returns up to 10 results per page — the upstream API has a fixed page size that cannot be changed. Note: pagination may return duplicate results across pages (upstream API limitation).

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.eins78/meteoswiss-mcp",
  "title": "MeteoSwiss MCP Server",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://meteoswiss-mcp.ars.is/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "2.0.2",
  "packages": [
    {
      "version": "2.0.2",
      "transport": {
        "type": "stdio"
      },
      "identifier": "meteoswiss-mcp",
      "registryType": "npm"
    }
  ],
  "repository": {
    "url": "https://github.com/eins78/meteoswiss-llm-tools",
    "source": "github",
    "subfolder": "packages/meteoswiss-mcp"
  },
  "description": "Swiss weather data for AI assistants — forecasts, measurements, stations, pollen."
}