MeteoSwiss MCP Server
REMOTE · METEOSWISS-MCP.ARS.IS · 2 COMPONENTS · SCANNED AUG 3
Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score →
Endpoint Security57
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability75
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 1786 tokens (~255/item across 7 items; 7 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
- Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
remote · meteoswiss-mcp.ars.is
claude mcp add --transport http eins78-meteoswiss-mcp https://meteoswiss-mcp.ars.is/mcp
[mcp_servers.eins78-meteoswiss-mcp] url = "https://meteoswiss-mcp.ars.is/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"eins78-meteoswiss-mcp": {
"type": "remote",
"url": "https://meteoswiss-mcp.ars.is/mcp",
"enabled": true
}
}
} openclaw mcp add eins78-meteoswiss-mcp --url https://meteoswiss-mcp.ars.is/mcp --transport streamable-http
mcp_servers:
eins78-meteoswiss-mcp:
url: "https://meteoswiss-mcp.ars.is/mcp" {
"mcpServers": {
"eins78-meteoswiss-mcp": {
"type": "http",
"url": "https://meteoswiss-mcp.ars.is/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 3 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.
- 1 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.
- 31 Jul 26 −1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 30 Jul 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 29 Jul 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 27 Jul 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 26 Jul 26 63
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Probed https://meteoswiss-mcp.ars.is/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=meteoswiss-mcp.ars.is | CN=YE1,O=Let's Encrypt,C=US | 26 Jul 2026 | 24 Oct 2026 | ECDSA 256 | ECDSA-SHA384 | 52cea80b42360f9376f08ffef89474eabbd |
| SANs: meteoswiss-mcp.ars.is | ||||||
| CN=YE1,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 5ddd70dd31f801c85c186a7a04b80afe |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
DNSSEC insecure
Validation of meteoswiss-mcp.ars.is. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| is. | present | 46824 | 13 | Verified |
| ars.is. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://meteoswiss-mcp.ars.is/mcp | Verified | 200 | |
| http (plaintext) | http://meteoswiss-mcp.ars.is/mcp | HTTPS enforced | 308 | https://meteoswiss-mcp.ars.is/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
fetch ~133
Fetch 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.
| Name | Type | Req | Description |
|---|---|---|---|
| format | string | — | The output format for the content |
| id | string | yes | Identifier of a MeteoSwiss page to fetch. For this server the id is a full URL returned by the search tool. Example: https://www.meteoschweiz.admin.ch/klima/klimawandel/steigende-temperaturen.html |
| includeMetadata | boolean | — | Whether to include metadata in the response |
| Name | Type | Req | Description |
|---|---|---|---|
| format | string | yes | Format of `text` |
| id | string | yes | The id the content was fetched for (the page URL) |
| metadata | object | — | Page metadata (present when includeMetadata is true) |
| text | string | yes | Canonical body field (matches ChatGPT Deep Research spec) |
| title | string | — | Page title |
| url | string | yes | Canonical URL field (matches ChatGPT Deep Research spec). For this server `url === id`. |
No examples provided.
meteoswissClimateData ~314
Get 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.
| Name | Type | Req | Description |
|---|---|---|---|
| coordinates | object | — | WGS84 coordinates (alternative to station name) |
| end_date | string | — | End date filter (YYYY-MM-DD). Only rows on or before this date are returned. |
| limit | integer | — | Maximum number of data rows to return (default 30) |
| resolution | string | — | Data resolution: daily (temp min/max/mean), monthly (full climate summary), yearly (annual summary) |
| start_date | string | — | Start date filter (YYYY-MM-DD). Only rows on or after this date are returned. |
| station | string | — | Climate station name or abbreviation (e.g., "Zurich", "BAS", "Davos"). Part of the National Basic Climatic Network (29 climate + 46 precipitation stations). Provide either this or `coordinates`; if b… |
| Name | Type | Req | Description |
|---|---|---|---|
| data | array | yes | Measurement rows, filtered and limited as requested |
| note | string | — | Present only when `data` is empty because the requested date range fell outside the fetched series (e.g. a daily request older than the ~2-year `_recent` window). Explains why and suggests a fallback… |
| resolution | string | yes | Resolution the returned rows are in |
| source | string | yes | Data attribution |
| station | object | yes | — |
No examples provided.
meteoswissCurrentWeather ~235
Get 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.
| Name | Type | Req | Description |
|---|---|---|---|
| coordinates | object | — | WGS84 coordinates (alternative to station name) |
| station | string | — | Swiss weather station or location: name (e.g., "Zurich"), abbreviation (e.g., "SMA"), or address (e.g., "Bahnhofplatz 1 Bern"). Provide either this or `coordinates`; if both are given, `coordinates`… |
| Name | Type | Req | Description |
|---|---|---|---|
| measurements | object | yes | Each measurement is present only when the station reports it |
| source | string | yes | Data attribution |
| station | object | yes | — |
| timestamp | string | yes | Measurement timestamp (ISO 8601) |
| visual_observations | object | — | Visual observations (only for 8 OBS stations: ALT, BAS, CHU, GSB, JUN, SAE, SIO, SMA) |
No examples provided.
meteoswissLocalForecast ~674
Get 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-cur…
| Name | Type | Req | Description |
|---|---|---|---|
| days | integer | — | Number of forecast days (1-9, default 5) |
| location | string | yes | Swiss location: postal code (e.g., "8001"), station abbreviation (e.g., "SMA"), or place name (e.g., "Zurich") |
| Name | Type | Req | Description |
|---|---|---|---|
| forecast | array | yes | One entry per forecast day, in date order |
| generated | string | yes | Timestamp the forecast was generated (ISO 8601) |
| location | object | yes | — |
| source | string | yes | Data attribution |
No examples provided.
meteoswissPollenData ~135
Get 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.
| Name | Type | Req | Description |
|---|---|---|---|
| station | string | — | Pollen monitoring station name or abbreviation. Omit for an overview of all stations. |
| Name | Type | Req | Description |
|---|---|---|---|
| source | string | yes | Data attribution |
| stations | array | yes | One entry per pollen station |
No examples provided.
meteoswissStations ~102
List 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.
| Name | Type | Req | Description |
|---|---|---|---|
| canton | string | — | Filter by canton abbreviation (e.g., "ZH", "BE", "GR") |
| limit | integer | — | Maximum number of results (1-200, default 20) |
| search | string | — | Search by station name or abbreviation |
| Name | Type | Req | Description |
|---|---|---|---|
| source | string | yes | Data attribution |
| stations | array | yes | Matching stations, up to `limit` |
| total | number | yes | Total number of stations matching the filter |
No examples provided.
search ~193
Search 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).
| Name | Type | Req | Description |
|---|---|---|---|
| contentType | string | — | Filter by content type. Defaults to "content" to exclude application pages. Use "publication" for official reports. |
| language | string | — | The language for search results |
| page | integer | — | Page number for pagination (1-based). The upstream API always returns 10 results per page; page size is not configurable. |
| query | string | yes | The search query string |
| sort | string | — | Sort order for results. Note: date-asc severely degrades relevance — results are dominated by page age rather than query match. |
| Name | Type | Req | Description |
|---|---|---|---|
| page | number | yes | Current page number (1-based) |
| pageSize | number | yes | Number of items in `results` for this page — at most 10 (the upstream API pages by a fixed 10), fewer on the last page |
| results | array | yes | Result items for this page |
| totalResults | number | yes | Total number of matches across all pages |
No examples provided.