# SnowSure — Snow & Ski (slim) > SnowSure — Snow & Ski, an MCP server by snowsure.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Live ski snow, multi-model forecasts, powder rankings & a grounded Answer Engine for 500+ resorts. - Full: https://www.anchorterminal.com/tools/snowsure-snow.md (~2,900 tokens) · this version ~2,830 tokens · JSON https://www.anchorterminal.com/tools/snowsure-snow.json · canonical https://www.anchorterminal.com/tools/snowsure-snow - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # SnowSure — Snow & Ski > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by snowsure.ai (https://www.snowsure.ai) - Category: Weather & climate data (https://www.anchorterminal.com/categories/weather.md) - Listed because: It's published in the registry under snowsure.ai, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Live ski snow, multi-model forecasts, powder rankings & a grounded Answer Engine for 500+ resorts. ## Facts - MCP registry: `ai.snowsure/snow` 1.0.4 - Endpoint: https://www.snowsure.ai/mcp (streamable HTTP) - Package: npm `snowsure-mcp-server` (stdio) - Source: https://github.com/mikeslone/snowsure-web - Website: https://www.snowsure.ai - npm downloads a week: 23 - Registry entry updated: 2026-07-03 ## Tools - Tools it lists (48, about 17,311 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:20 UTC): - `ask_snowdata` (read-only): Text-only Q&A grounded in SnowSure data (~1s). Use for open-ended questions, terrain %, expert-run counts, advice, AND specifically: El Niño / ENSO / 2026-27… - `get_snow_report` (read-only): Get the global snow report with top-ranked resorts by snow conditions. Returns resorts sorted by SnowSure score, forecast, or recent snowfall. Use this for… - `get_powder_reels` (read-only): Powder Reels — SnowSure archived storm timelapses with verified accumulation data burned into the frames ("Proof of Powder"). Use for "how much did it snow at… - `get_resort_info` (read-only): INTERACTIVE RESORT GUIDE CARD (Resort Info sidebar UI) — elevation, vertical, lifts, runs, skiable acres, average snowfall, season dates, ski passes, editorial… - `get_resort_photos` (read-only): INTERACTIVE PHOTO GALLERY CAROUSEL — official SnowSure resort photos (hero + Sanity gallery). REQUIRED for: photos, pictures, images, gallery, "show me photos… - `get_resort` (read-only): Single-resort data with a REQUIRED card parameter that picks the interactive UI. card=guide → resort info card (elevation, lifts, season dates). card=photos →… - `search_resorts` (read-only): Search for ski resorts by name, country, or region. Returns matching resorts with basic conditions. Use for "find resorts in [location]" or "search [name]"… - `find_best_powder` (read-only): Find resorts with the freshest powder snow right now. Returns resorts sorted by 24-hour snowfall. Use for "where is it snowing?" or "fresh powder" queries. - `find_powder_trips` (read-only): Powder trips you can BOOK: ranks resorts by their 14-day forecast (best chance of fresh snow in the bookable window) and returns handpicked luxury ski hotels… - `compare_forecasts` (read-only): Compare snow forecasts across 7 weather models (ECMWF, GFS, GEM, JMA, ICON, Météo-France, Met Norway) for a resort. Shows model agreement and uncertainty. Use… - `get_weather_forecast` (read-only): Get detailed day-by-day weather forecast for a resort including temperature, snowfall, wind, and conditions for each of the next 7 days — 14 with SnowSure Pro,… - `find_resorts_by_criteria` (read-only): Find resorts matching specific criteria like minimum snow depth, elevation range, number of runs, or SnowSure rating. Advanced filtering for trip planning. - `get_southern_hemisphere_report` (read-only): Get snow conditions for Southern Hemisphere ski resorts (Australia, New Zealand, Argentina, Chile) currently in season. Answers "is Perisher / Portillo / Valle… - `get_season_openings` (read-only): Resorts whose season OPENING DATE is a specific day — answers "what opens today?", "opening this week", or "which resorts start their season on June 27?".… - `get_season_leaderboard` (read-only): Rank resorts by how a season actually went, scoped to a place. This is the tool for "which resort had the most last season" — the single most… - `get_snow_history` (read-only): One resort's own snowfall history: season totals, comparison to its 5-year and 30-year averages, and best months to visit. Scoped to a SINGLE resort — for… - `get_monthly_snow` (read-only): Typical snow for a resort MONTH BY MONTH, from ~30 years of ERA5 reanalysis — average snowfall, snow days, base and peak depth, and biggest storm, plus… - `get_trip_window` (read-only): Historical odds for a SPECIFIC trip window at one resort — 'Whistler on March 27', 'Vail Jan 10–17'. From ~30 years of ERA5 monthly history it blends the… - `get_elnino_signal` (read-only): Resort-level El Niño / ENSO outlook from SnowSure's 30-year fleet dataset (559 ranked resorts). Returns rank, tier, strong/all-event signal, analog winters… - `get_elnino_rankings` (read-only): Ranked El Niño ski resorts from SnowSure's 30-year fleet table. Filter by region (south-america, north-america, europe, asia, oceania) or tier (A prime / B… - `plan_ski_trip` (read-only): Get ski trip recommendations based on dates, preferences, and conditions. Suggests best resorts for a given time period. - `get_webcam_status` (read-only): Get live webcam links and status for a resort to see current on-mountain conditions visually — answers "show me the webcam / live cam at ", "current… - `get_regional_summary` (read-only): Get a summary of snow conditions across an entire region or country with statistics and top resorts. - `list_insight_categories` (read-only): List SnowSure insight categories (live conditions, current season, last season, forecast trust, patterns, SnowSure index, ground truth). Use before… - `get_insights` (read-only): Get categorized SnowSure intelligence insights (not just snow totals). The last_season category is the one to reach for on retrospective questions — how a… - `get_ml_trends` (read-only): Fetch SnowSure-unique ML/AI trend datasets from the public REST API. Use for powder-day leaders, bluebird-day leaders, bluebird predictions,… - `get_destination` (read-only): Multi-mountain destination hub (Niseko, Chamonix, Aspen Snowmass umbrella) with a table of member ski areas. Use ONLY when the user names the hub itself — NOT… - `list_saved_resorts` (read-only): List the signed-in user's saved resorts. Requires a SnowSure user access token (OAuth); without one it returns an authorization-required error telling the… - `save_resort` (writes): Save a resort to the signed-in user's favorites. Requires a SnowSure user access token (OAuth). The slug must be a real SnowSure resort. - `remove_saved_resort` (writes): Remove a resort from the signed-in user's saved list. Requires a SnowSure user access token (OAuth). - `subscribe_alerts` (writes): Subscribe the signed-in user to snow alerts. Requires a SnowSure user access token (OAuth). type: 'powder' (OBSERVED fresh snow >= thresholdCm in 24h),… - `list_alerts` (read-only): List the signed-in user's alert subscriptions. Requires a SnowSure user access token (OAuth). - `unsubscribe_alerts` (writes): Remove one of the signed-in user's alert subscriptions by id (from list_alerts). Requires a SnowSure user access token (OAuth). - `book_lodging` (writes): Lodging near a resort via LUXSKI for the signed-in user. With a specific `hotelName` + checkIn + checkOut it PREBOOKS a live rate and returns a LUXSKI checkout… - `get_pass` (read-only): Details for a multi-resort ski pass (Epic, Ikon, Mountain Collective, …): operator, season pricing tiers, destination count, regions, and the buy link. - `find_pass_resorts` (read-only): List the resorts on a ski pass, optionally filtered to a region — answers "is on the Ikon Pass" and "what resorts does the Epic Pass include". Returns… - `compare_passes` (read-only): Compare ski passes on price, resort coverage, and value — the tool for "which season pass includes — Epic or Ikon?" (pass resortSlugs=[]).… - `compare_resorts` (read-only): Compare 2–4 resorts side by side across snow, terrain, and live conditions — every value comes from the SnowSure conditions resolver/contract. Use for… - `get_my_snow_report` (read-only): Personalized snow report for the signed-in user's saved resorts — live conditions for each, ranked best-first (open resorts with the freshest snow on top).… - `get_storm_watch` (read-only): Storm Watch: named multi-day storm systems the models are flagging days ahead, grouped as one event across every resort in the path and ranked biggest first.… - `get_avalanche` (read-only): Current avalanche danger bulletin for a resort's forecast zone (US, Canada, Switzerland in v1), relayed from the official warning service with the issuer +… - `get_snow_quality` (read-only): What the surface actually skis like at a resort — Dry powder, Soft, Packed, Crust, Spring, Wet, Wind-affected or No snow — from SnowSure's SLF SNOWPACK… - `get_operating_risk` (read-only): Will the lifts run? A 48-hour operating-risk estimate from the Open-Meteo forecast — wind-hold (gusts), visibility, cold (wind-chill), and heavy-snow control… - `get_road_access` (read-only): Driving access for a resort — answers "do I need chains to get to " and "is the road to open": a SnowSure drive call, feeder-city Saturday… - `get_road_cameras` (read-only): Live roadside DOT/CCTV camera stills on the highways near a resort — shows what the drive actually looks like right now (California via Caltrans, Washington… - `get_road_weather` (read-only): Measured roadside weather (RWIS) on the highways near a resort — surface + air temperature, visibility, wind, precipitation (Colorado via CDOT, Washington via… - `plan_ski_road_trip` (read-only): Plan a multi-stop ski road trip: picks the top-scoring resorts in a region, orders them into a drivable route (nearest-neighbour, minimal backtracking),… - `find_flights_to_powder` (read-only): Complete the trip: from a resort, find the nearest gateway airport(s) and get flight-search links from your home airport. The "get there" leg of the funnel —… - How its tools read to an agent (0 errors, 4 warnings, 0 notes, about 17,311 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - warn TC11 plan_ski_road_trip: 1 parameter without a description: days - warn TC14 get_season_leaderboard: allowed values are in the description, not an enum: season - warn TC14 plan_ski_road_trip: allowed values are in the description, not an enum: region - warn TC23 server: 48 tools, about 16,249 tokens of definitions - JSON: https://www.anchorterminal.com/api/v1/tools/snowsure-snow.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming