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WeatherMCP serverFirst audited Nov 13, 2026

EM Snow

Ski resort conditions, forecasts, avalanche danger, sun, routes and snow history for 5,000+ resorts.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 592 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
YesSome tools say they can change things. Your AI client should ask you first.
Endpointhttps://snow.extreme-media.co.uk/mcp

Website Streamable HTTP · protocol 2025-11-25 · server version 1.0.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Note: 2 tools are labelled as able to change things.

    Expected for tools that send, write or buy. Your AI client should ask before calling them.

    • add_snow_report
    • suggest_resort
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 21 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (21)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • search_resortsFind ski resorts worldwide by name, country or distance. Returns at most 20 matches and does not expose the bulk resort index.Read-only
  • get_conditionsGet current snow, reported lift and run counts, weather and season state. Lift and run counts are reported status, not guaranteed live.Read-only
  • get_forecastGet the available daily snow, temperature, freezing level and wind-hold risk forecast, up to 10 requested days.Read-only
  • plan_my_dayBuild modelled suggested runs in time order from forecast weather, sun, snow and mapped terrain. Only plans days inside the reported winter season; summer lift or bike-park operation does not count a…Read-only
  • sun_on_the_mountainShow modelled sun and shade windows for eight slope aspects, with local terrain-horizon shading where DEM coverage exists.Read-only
  • route_on_mountainRoute between named pistes, lifts, the resort base or latitude,longitude coordinates using mapped OSM pistes and lifts. Names match accent-insensitively and partially (exact, then prefix, then contai…Read-only
  • avalanche_dangerSummarise the regional avalanche bulletin covering a resort: EAWS in Europe, avalanche.org centres in the US and Avalanche Canada, with zone, issuing centre, issue and expiry times and a link to the…Read-only
  • mountain_factsRead mapped OSM terrain inventory, lift fleet, vertical, longest run, carefully matched Wikidata facts, season dates and modelled snow reliability.Read-only
  • where_is_it_snowingRank the freshest recently reported snow from the cached EM Snow home-page ranking.Read-only
  • best_time_to_goGet historical snow odds from the local ERA5 archive and quiet-week guidance where the crowd scorer covers the resort.Read-only
  • season_recapSummarise the most recent completed ski season from the local ERA5 archive first.Read-only
  • snow_reliabilityGet an explainable snow-reliability score from long-run ERA5 snow depth.Read-only
  • nearby_resortsFind nearby resorts from the local EM Snow resort index.Read-only
  • get_webcamsGet nearby webcam images and their source links, with the required provider credit.Read-only
  • get_snow_reportsGet recent visible community reports, including whether each came from the website or was relayed by an AI assistant.Read-only
  • watch_resortReturn a one-tap EM Snow URL where the person can watch a resort and optionally add dates. This tool does not collect email.Read-only
  • add_snow_reportOnly relay a report from a person who is at, or was just at, the resort. Never invent a report. The report goes live immediately and is labelled as relayed via an AI assistant.Can change things
  • suggest_resortSuggest a missing resort for human review. This never adds it directly to the resort index.Can change things
  • get_extended_outlookGet a 16-day daily outlook (snowfall, temperatures, freezing level, maximum gusts and, for the first days, precipitation probability) from EM Snow's self-hosted GFS and ECMWF IFS models. Days 1 to 7…Read-only
  • get_resort_mediaGet images for a resort that vision-capable assistants can show: nearby webcams with provider credit, a Wikimedia Commons photo with its per-file licence, author and source page, the EM Snow sun and…Read-only
  • fly_this_mountainGet a link that plays a simulated 3D tour of a resort in the EM Snow flyby (lifts up, named runs down, on the mapped piste network), or a tour of runs you name. Pick names match like route_on_mountai…Read-only

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200592 ms
initializedHTTP 202434 ms
tools/listHTTP 200218 ms
unknown-methodHTTP 200125 ms

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