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WeatherMCP serverFirst audited Nov 13, 2026

Nausika

Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.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 1.5 s.
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://mcp.nausika.app

Source code 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: 4 tools are labelled as able to change things.

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

    • nausika_manage_boat_profile
    • nausika_manage_favorite
    • nausika_manage_rating
    • nausika_manage_route
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 19 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 (19)

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

  • nausika_marine_forecastMarine + atmospheric forecast at (latitude, longitude in decimal degrees). Returns waves, swell, currents, SST, wind, gusts, pressure, weather_code, visibility, precipitation, temperature, UV. Direct…Read-only
  • nausika_seasonal_forecastFetch 1-7 month ECMWF SEAS5 seasonal forecast for one point, anywhere in the world. Returns ensemble-mean DAILY + MONTHLY aggregates of wind, SST, temperature, precipitation, cloud cover (extend via…Read-only
  • nausika_tidesTide predictions or station discovery at a coordinate (latitude, longitude). Default: predictions from the nearest NOAA station; outside US waters falls back to a global modeled-tide source (forecast…Read-only
  • nausika_search_placesNautical place search by proximity in the curated areas (Mediterranean, European Atlantic + Canaries, Caribbean, South-East Asia). latitude+longitude are ALWAYS required — this is not a standalone te…Read-only
  • nausika_get_placeFetch full detail for a single place given its 'id'. Accepts either a full UUID or the 8-char [xxxxxxxx] short-id shown by nausika_search_places. Returns canonical attributes (name/coords/category/ty…Read-only
  • nausika_sea_routeMaritime routing via pgRouting Dijkstra on the MARNET sea-lane graph (detailed coastal routing in the curated areas — Mediterranean, European Atlantic + Canaries, Caribbean, South-East Asia; main oce…Read-only
  • nausika_calculatorEvaluate a math expression and return the numeric result. Useful for fuel, range/autonomy, unit conversions, and ad-hoc arithmetic. Supported (exhaustive): +, -, *, /, ^, %, parentheses, sqrt(), abs…Read-only
  • nausika_geocodeResolve a place 'query' to coordinates (forward) or find nearest places to 'latitude'+'longitude' (reverse). Curated DB of the covered sea areas (Mediterranean, European Atlantic + Canaries, Caribbea…Read-only
  • nausika_describe_place_schemaReturns the expected attributes for a given place 'type' (the only input parameter: marina, port, bay, fuel_station, city, island, etc.). Useful to understand what fields are available on places of t…Read-only
  • nausika_is_waterCheck whether a coordinate (latitude, longitude in decimal degrees) is on water or land, and how far it is from the coast. Returns: - is_water: boolean (true if over sea, false if over land) - distan…Read-only
  • nausika_convert_coordinatesConvert nautical coordinates between decimal degrees, DMS, and DM. Inputs: latitude, longitude — each accepts decimal (44.4), DMS ("44°24'00\"N"), or DM ("44°24.0'N"). Returns all three formats plus…Read-only
  • nausika_manage_boat_profileManage boat profile (multi-boat per account, keyed by name). Inputs: action, name, type, loa_m, beam_m, draft_m, displacement_kg, engine_type, engine_hp, fuel_capacity_l, motor_consumption_l_per_h,…Can change things
  • nausika_get_boat_profileGet your saved boat profile(s). Omit name for the default boat, or use name="*" to list all boats. Tip: use boat speed/consumption with nausika_sea_route and nausika_calculator for trip planning.Read-only
  • nausika_manage_favoriteAdd or remove a place from your favorites list. Examples: - Add: action="add", place_id="a1b2c3d4", note="Great anchorage for overnight" - Remove: action="remove", place_id="a1b2c3d4" place_id…Can change things
  • nausika_get_favoritesList your favorite places with details and personal notes. Ordered by most recently added. Inputs: limit, offset. Tip: use place coordinates with nausika_sea_route or nausika_marine_forecast for tr…Read-only
  • nausika_manage_ratingRate a place (1-5 stars) with an optional private comment. One rating per user per place. Examples: - Rate: action="upsert", place_id="a1b2c3d4", score=4, comment="Clean facilities" - Delete: ac…Can change things
  • nausika_get_ratingsView ratings for a place (aggregate + your own) or list all your ratings. Inputs: place_id, my_only, limit, offset. Examples: - Place ratings: place_id="a1b2c3d4" (8-char short-id or full UUID)…Read-only
  • nausika_manage_routeSave a sailing route or multi-day itinerary; legs may link to places. Typical flow: compute legs with nausika_sea_route, then save here. Examples: - Single: action="upsert", name="Genova → Bastia…Can change things
  • nausika_get_routesLook up your saved sailing-route library: direct fetch by id, or paginated search by name fragment via query, with limit and offset for pagination. Examples: - List all (defaults limit=20, offset=…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 2001484 ms
initializedHTTP 202408 ms
tools/listHTTP 200196 ms
prompts/listHTTP 200158 ms
unknown-methodHTTP 200143 ms

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