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Nausika

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Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.

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nausika_calculator Read-only

Evaluate a math expression and return the numeric result. Useful for fuel, range/autonomy, unit conversions, and ad-hoc arithmetic. Supported (exhaustive): +, -, *, /, ^, %, parentheses, sqrt(), abs(), ceil(), floor(), round(), sin(), cos(), tan(), log(), exp(), min(), max(), PI, E. Anything else (atan2, pow, log10, hypot, if, factorial, comparisons) is rejected. Examples: "(120 / 6) * 8.5" (fuel for 120 nm at 8.5 L/h, 6 kn); "45 * 1.852" (nm to km).

expressionstring, required

Math expression to evaluate

precisioninteger

Decimal places in the result (default 4)

Nausika MCP server | mcptry

Tools (19)

nausika_calculator

read-only

Argument	Type	Description
precision	integer	Decimal places in the result (default 4)
expression*	string	Math expression to evaluate

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "expression"
  ],
  "properties": {
    "precision": {
      "type": "integer",
      "default": 4,
      "maximum": 15,
      "minimum": 0,
      "examples": [
        2,
        4,
        6
      ],
      "description": "Decimal places in the result (default 4)"
    },
    "expression": {
      "type": "string",
      "examples": [
        "(450 / 8.5) * 1.1",
        "sqrt(3^2 + 4^2)",
        "45 * 1.852"
      ],
      "maxLength": 500,
      "minLength": 1,
      "description": "Math expression to evaluate"
    }
  },
  "additionalProperties": false
}

nausika_convert_coordinates

Convert 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 input_format (detected per-axis). Examples: latitude="44°24'N", longitude="9°02'E" → 44.4, 9.03; latitude="41°01'44.04\"N", longitude="009°32'42.00\"E" → 41.0289, 9.545.

read-only

Argument	Type	Description
latitude*	any	Latitude as decimal degrees or DMS/DM string
longitude*	any	Longitude as decimal degrees or DMS/DM string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "latitude",
    "longitude"
  ],
  "properties": {
    "latitude": {
      "anyOf": [
        {
          "type": "number"
        },
        {
          "type": "string"
        }
      ],
      "examples": [
        41.0289,
        "41°01′44.04″N",
        "41°01.7'N"
      ],
      "description": "Latitude as decimal degrees or DMS/DM string"
    },
    "longitude": {
      "anyOf": [
        {
          "type": "number"
        },
        {
          "type": "string"
        }
      ],
      "examples": [
        9.545,
        "009°32′42.00″E",
        "9°32.7'E"
      ],
      "description": "Longitude as decimal degrees or DMS/DM string"
    }
  },
  "additionalProperties": false
}

nausika_describe_place_schema

Returns 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 that type.

read-only

Argument	Type	Description
type*	string	Place type to describe. See nausika_describe_place_schema response 'Valid place types' for the full enum.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "type"
  ],
  "properties": {
    "type": {
      "enum": [
        "marina",
        "port",
        "bay",
        "fuel_station",
        "yacht_club",
        "city",
        "island",
        "cape",
        "gulf",
        "lighthouse",
        "beach",
        "town",
        "village",
        "peninsula",
        "strait",
        "restaurant",
        "bar",
        "cafe",
        "supermarket",
        "convenience",
        "bakery",
        "pharmacy",
        "atm",
        "laundry",
        "post_office",
        "clinic",
        "water_point",
        "chandlery"
      ],
      "type": "string",
      "examples": [
        "marina",
        "bay",
        "port"
      ],
      "description": "Place type to describe. See nausika_describe_place_schema response 'Valid place types' for the full enum."
    }
  },
  "additionalProperties": false
}

nausika_geocode

Resolve 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, Caribbean, South-East Asia); forward falls back to OSM/Nominatim globally. Each result carries a 'source' discriminator ('local' for the curated marine DB, 'osm' for the global fallback). Returns name, type, coords, source, plus similarity (forward) or distance_m (reverse). Example forward: query="Portofino". Example reverse: latitude=44.3, longitude=9.21, radius_m=50000. When the same name exists in several seas (e.g. "Salerno port": Italy and Florida), results carry a 'region' and the best of each sea is included — pick by the user's context, or pass near_latitude/near_longitude (boat position, departure port) to put that sea first. Chain into nausika_marine_forecast, nausika_tides, nausika_search_places, or nausika_sea_route using the returned coords.

read-only

Argument	Type	Description
limit	integer	Max results, default 3, max 10
query	string	Place name to search, forward geocoding
latitude	number	Latitude for reverse geocoding
radius_m	integer	Search radius for reverse geocoding in meters, default 50000
longitude	number	Longitude for reverse geocoding
near_latitude	number

nausika_get_boat_profile

Get 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

Argument	Type	Description
name	string	Boat name. Omit to get the default boat, or use '*' to list all.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "name": {
      "type": "string",
      "examples": [
        "Calypso II"
      ],
      "maxLength": 100,
      "minLength": 1,
      "description": "Boat name. Omit to get the default boat, or use '*' to list all."
    }
  },
  "additionalProperties": false
}

nausika_get_favorites

List 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 trip planning.

read-only

Argument	Type	Description
limit	integer	Max results (default 20)
offset	integer	Offset for pagination

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1,
      "examples": [
        20
      ],
      "description": "Max results (default 20)"
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "examples": [
        0
      ],
      "description": "Offset for pagination"
    }
  },
  "additionalProperties": false
}

nausika_get_place

Fetch 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/type), localized i18n names+descriptions, wiki image URLs, ratings aggregates, plus extras only this tool provides: the raw OpenStreetMap tags of the primary OSM feature, and direct links to OSM, Wikidata, and Wikipedia. Use this after nausika_search_places returns a result you want to drill into. For proximity / text search, use nausika_search_places.

read-only

Argument	Type	Description
id*	string	Place id — full UUID or 8+ char hex prefix (the [xxxxxxxx] shown by nausika_search_places).

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "examples": [
        "550e8400-e29b-41d4-a716-446655440000",
        "550e8400"
      ],
      "maxLength": 64,
      "minLength": 8,
      "description": "Place id — full UUID or 8+ char hex prefix (the [xxxxxxxx] shown by nausika_search_places)."
    }
  },
  "additionalProperties": false
}

nausika_get_ratings

View 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) - My ratings: my_only=true Tip: ratings are visible in nausika_search_places results to help other sailors.

read-only

Argument	Type	Description
limit	integer	Max results
offset	integer	Offset for pagination
my_only	boolean	List only your own ratings
place_id	string	Get ratings for a specific place — full UUID or 8+ char hex prefix from nausika_search_places

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1,
      "examples": [
        50
      ],
      "description": "Max results"
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "examples": [
        0
      ],
      "description": "Offset for pagination"
    },
    "my_only": {
      "type": "boolean",
      "default": false,
      "examples": [
        true
      ],
      "description": "List only your own ratings"
    },
    "place_id": {
      "type": "string",
      "examples": [
        "a1b2c3d4-e5f6-7890-abcd-ef0123456789",
        "a1b2c3d4"
      ],
      "maxLength": 64,
      "minLength": 8,
      "description": "Get ratings for a specific place — full UUID or 8+ char hex prefix from nausika_search_places"
    }
  },
  "additionalProperties": false
}

nausika_get_routes

Look 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=0): (no params) - Detail by id: id="a1b2c3d4" (8-char short-id or full UUID) - Search: query="Corsica", limit=10, offset=0 - Only itineraries: route_type="itinerary" Tip: feed leg coordinates into nausika_marine_forecast or nausika_tides to check conditions along the route.

read-only

Argument	Type	Description
id	string	Fetch single route — full UUID or 8+ char hex prefix from nausika_get_routes
limit	integer	Max results, 1–50
query	string	Search by name fragment, case-insensitive
offset	integer	Offset for pagination
route_type	string	Filter by type

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "id": {
      "type": "string",
      "examples": [
        "550e8400-e29b-41d4-a716-446655440000",
        "550e8400"
      ],
      "maxLength": 64,
      "minLength": 8,
      "description": "Fetch single route — full UUID or 8+ char hex prefix from nausika_get_routes"
    },
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 50,
      "minimum": 1,
      "examples": [
        20
      ],
      "description": "Max results, 1–50"
    },
    "query": {
      "type": "string",
      "examples": [
        "Corsica",
        "summer 2026"
      ],
      "description": "Search by name fragment, case-insensitive"
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "examples": [
        0
      ],
      "description": "Offset for pagination"
    },
    "route_type": {
      "enum": [
        "single",
        "itinerary"
      ],
      "type": "string",
      "description": "Filter by type"
    }
  },
  "additionalProperties": false
}

nausika_is_water

Check 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) - distance_to_coast_m: meters to the nearest coastline boundary; meaningful on either side (sea → distance to shore, inland → distance to sea, e.g. Rome ≈ 25 km). - source: detection source Useful to verify waypoints in route planning, or to gauge how coastal/inland a point is.

read-only

Argument	Type	Description
latitude*	number	Latitude in decimal degrees (-90 to 90)
longitude*	number	Longitude in decimal degrees (-180 to 180)

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "latitude",
    "longitude"
  ],
  "properties": {
    "latitude": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Latitude in decimal degrees (-90 to 90)"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Longitude in decimal degrees (-180 to 180)"
    }
  },
  "additionalProperties": false
}

nausika_manage_boat_profile

Manage 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, water_capacity_l, cruising_speed_kts, max_speed_kts, safety_equipment, certifications. Examples: action="upsert", name="Freya", type="sail", loa_m=12.5; action="delete", name="Freya"; action="set_default", name="Freya". Tip: speed/consumption enrich nausika_sea_route ETA.

destructive

Argument	Type	Description
name	string	Boat name (required for create, identifies boat for update/delete)
type	string	Boat type
loa_m	number	Length overall in meters
action*	string	Create/update, delete, or set a boat as default
beam_m	number	Maximum beam in meters
draft_m	number	Draft in meters
engine_hp	integer	Engine power in HP
engine_type	string	Engine type

nausika_manage_favorite

Add 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 accepts the 8-char [xxxxxxxx] shown by nausika_search_places, or a full UUID. Find places first with nausika_search_places, then bookmark by place_id.

destructive

Argument	Type	Description
note	string	Personal note (only for add)
action*	string	Add or remove a favorite
place_id*	string	Place id — full UUID or 8+ char hex prefix from nausika_search_places ([xxxxxxxx])

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "action",
    "place_id"
  ],
  "properties": {
    "note": {
      "type": "string",
      "examples": [
        "Quiet bay, sheltered from mistral"
      ],
      "description": "Personal note (only for add)"
    },
    "action": {
      "enum": [
        "add",
        "remove"
      ],
      "type": "string",
      "description": "Add or remove a favorite"
    },
    "place_id": {
      "type": "string",
      "maxLength": 64,
      "minLength": 8,
      "description": "Place id — full UUID or 8+ char hex prefix from nausika_search_places ([xxxxxxxx])"
    }
  },
  "additionalProperties": false
}

nausika_manage_rating

Rate 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: action="delete", place_id="a1b2c3d4" place_id accepts the 8-char [xxxxxxxx] shown by nausika_search_places, or a full UUID. Find places first with nausika_search_places, then rate by place_id.

destructive

Argument	Type	Description
score	integer	Rating 1-5 (required for upsert)
action*	string	Create/update or delete your rating
comment	string	Private comment (only visible to you)
place_id*	string	Place id — full UUID or 8+ char hex prefix from nausika_search_places ([xxxxxxxx])

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "action",
    "place_id"
  ],
  "properties": {
    "score": {
      "type": "integer",
      "maximum": 5,
      "minimum": 1,
      "examples": [
        4,
        5
      ],
      "description": "Rating 1-5 (required for upsert)"
    },
    "action": {
      "enum": [
        "upsert",
        "delete"
      ],
      "type": "string",
      "description": "Create/update or delete your rating"
    },
    "comment": {
      "type": "string",
      "examples": [
        "Clean facilities, friendly staff"
      ],
      "description": "Private comment (only visible to you)"
    },
    "place_id": {
      "type": "string",
      "maxLength": 64,
      "minLength": 8,
      "description": "Place id — full UUID or 8+ char hex prefix from nausika_search_places ([xxxxxxxx])"
    }
  },
  "additionalProperties": false
}

nausika_manage_route

Save 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", route_type="single", legs=[{...}] - Itinerary: action="upsert", name="Corsica Trip", route_type="itinerary", legs=[{leg_order:1,...,pois:[{place_id:"a1b2c3d4",role:"overnight"}]}] - Delete: action="delete", id="a1b2c3d4" id and leg pois[].place_id accept either the 8-char [xxxxxxxx] short-id (from nausika_get_routes / nausika_search_places) or a full UUID.

destructive

Argument	Type	Description
id	string	Route id for update/delete — full UUID or 8+ char hex prefix from nausika_get_routes
legs	array	Route legs, replaces all existing on update
name	string	Route name
action*	string	Create/update or delete
route_type	string	single leg or multi-leg itinerary
description	string	Route description

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "action"
  ],
  "properties": {
    "id": {
      "type": "string",
      "examples": [
        "550e8400-e29b-41d4-a716-446655440000",
        "550e8400"
      ],
      "maxLength": 64,
      "minLength": 8,
      "description": "Route id for update/delete — full UUID or 8+ char hex prefix from nausika_get_routes"
    },
    "legs": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "leg_order",
          "origin_name",
          "origin_lat",
          "origin_lon",
          "dest_name",
          "dest_lat",
          "dest_lon"
        ],
        "properties": {
          "pois": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "place_id",
                "role"
              ],
              "properties": {
                "note": {
                  "type": "string",
                  "description": "Note about this stop"
                },
                "role": {
                  "enum": [
                    "overnight",
                    "fuel",
                    "dining",
                    "waypoint"
                  ],
                  "type": "string",
                  "description": "Role of this place in the leg"
                },
                "place_id": {
                  "type": "string",
                  "maxLength": 64,
                  "minLength": 8,
                  "description": "Place id — full UUID or 8+ char hex prefix from nausika_search_places ([xxxxxxxx])"
                }
              }
            },
            "description": "Places associated with this leg"
          },
          "notes": {
            "type": "string",
            "description": "Leg notes"
          },
          "geojson": {
            "type": "object",
            "description": "GeoJSON route geometry",
            "propertyNames": {
              "type": "string"
            },
            "additionalProperties": {}
          },
          "dest_lat": {
            "type": "number",
            "maximum": 90,
            "minimum": -90,
            "examples": [
              38.7,
              43.55,
              41.39
            ],
            "description": "Destination latitude"
          },
          "dest_lon": {
            "type": "number",
            "maximum": 180,
            "minimum": -180,
            "examples": [
              9.14,
              10.32,
              2.17
            ],
            "description": "Destination longitude"
          },
          "dest_name": {
            "type": "string",
            "minLength": 1,
            "description": "Destination name"
          },
          "leg_order": {
            "type": "integer",
            "maximum": 100,
            "minimum": 1,
            "description": "Order in the itinerary"
          },
          "origin_lat": {
            "type": "number",
            "maximum": 90,
            "minimum": -90,
            "examples": [
              38.7,
              43.55,
              41.39
            ],
            "description": "Origin latitude"
          },
          "origin_lon": {
            "type": "number",
            "maximum": 180,
            "minimum": -180,
            "examples": [
              9.14,
              10.32,
              2.17
            ],
            "description": "Origin longitude"
          },
          "distance_nm": {
            "type": "number",
            "description": "Distance in nautical miles"
          },
          "origin_name": {
            "type": "string",
            "minLength": 1,
            "description": "Origin name"
          },
          "departure_date": {
            "type": "string",
            "description": "Planned departure (ISO 8601)"
          },
          "duration_hours": {
            "type": "number",
            "description": "Estimated duration in hours"
          }
        }
      },
      "examples": [
        [
          {
            "dest_lat": 42.7,
            "dest_lon": 9.45,
            "dest_name": "Bastia",
            "leg_order": 1,
            "origin_lat": 44.4,
            "origin_lon": 8.93,
            "origin_name": "Genova"
          }
        ]
      ],
      "description": "Route legs, replaces all existing on update"
    },
    "name": {
      "type": "string",
      "examples": [
        "Genova → Bastia 2026",
        "Tour Corsica"
      ],
      "maxLength": 255,
      "minLength": 1,
      "description": "Route name"
    },
    "action": {
      "enum": [
        "upsert",
        "delete"
      ],
      "type": "string",
      "description": "Create/update or delete"
    },
    "route_type": {
      "enum": [
        "single",
        "itinerary"
      ],
      "type": "string",
      "description": "single leg or multi-leg itinerary"
    },
    "description": {
      "type": "string",
      "examples": [
        "Summer crossing with overnight in Calvi"
      ],
      "description": "Route description"
    }
  },
  "additionalProperties": false
}

nausika_marine_forecast

Marine + atmospheric forecast at (latitude, longitude in decimal degrees). Returns waves, swell, currents, SST, wind, gusts, pressure, weather_code, visibility, precipitation, temperature, UV. Directions FROM. Presets: now, today, tactical (default 3d), planning (8d), extended (14d), none. Windows: start_hour/end_hour, start_date/end_date, forecast_hours, forecast_days. Extra via variables[]. Covers only a rolling window near today (~16 days ahead for atmospheric data, ~8 days for marine/wave data) — for dates further out, use nausika_seasonal_forecast (1-7 month outlook) instead. Pass include_percentiles=true to also fetch the ECMWF IFS-ENS 50-member ensemble and expose <var>_p10/_p50/_p90 series for atmospheric variables (precipitation, wind, gusts, pressure, temperature, etc.) alongside the deterministic forecast. Use it when forecast uncertainty matters — convective setups, planning/extended horizons, or any time the deterministic precip total looks inconsistent with the precipitation_probability. Waves/swell/currents/SST remain deterministic (no public ensemble). Default false to keep payload small. Example: latitude=41.39, longitude=9.16, preset="today". Chain nausika_geocode for place→coords.

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Argument	Type	Description
preset	string	High-level mode. now=current snapshot, today=24h hourly+daily, tactical=3d hourly_3+daily (default), planning=8d daily, extended=14d daily, none=3d hourly_3+daily but with NO core variables (caller supplies full variables list).
end_date	string	Window end date YYYY-MM-DD. Used with start_date. Defaults to preset. Same ~16-day (forecast) / ~8-day (marine) window limit as start_date — use nausika_seasonal_forecast beyond that.
end_hour	string	Window end ISO YYYY-MM-DDThh:mm. Used with start_hour. Defaults to preset.

nausika_sea_route

Maritime 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 ocean lanes elsewhere; errors when an endpoint is far from any lane), 6 kn sailing-yacht default, snaps land coordinates to the nearest marina/anchorage/port. Returns distance, ETA, waypoint count, GeoJSON. Examples: - Genova → Bastia: origin_lat=44.4, origin_lon=8.93, dest_lat=42.7, dest_lon=9.45 - Distance-only: same coords with include_waypoints=false Tip: chain nausika_geocode → here → nausika_calculator.

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Argument	Type	Description
units	string	Distance units (default: nauticalmiles)
dest_lat*	number	Destination latitude
dest_lon*	number	Destination longitude
origin_lat*	number	Origin latitude
origin_lon*	number	Origin longitude
speed_knots	number	Vessel speed in knots for ETA calculation. Omit to use the caller's saved boat profile speed if one exists, else 6 kn (typical sailing yacht). An explicit value always wins over the boat profile.

nausika_search_places

Nautical 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 text search. 'query' is only a name filter applied within that radius; to find a place by name without known coordinates, call nausika_geocode first. Returns name, coords, distance_km, ratings, i18n names, wiki/OSM links. Each result is prefixed with an 8-char [xxxxxxxx] short-id usable as place_id in nausika_get_place / nausika_manage_favorite / nausika_manage_rating / nausika_manage_route legs[].pois[]. Inputs: latitude, longitude, radius_km, query, type, types, category, shelter_from, bottom_type, names_lang, min_coverage_score, max_coverage_score, limit, offset. Example: latitude=44.3, longitude=9.21, radius_km=50, query="marina genova", category="poi". Chain nausika_geocode → nausika_search_places → nausika_get_place(short-id).

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Argument	Type	Description
type	string	Filter by place type (ignored if 'types' is provided). Anchorages are type 'bay'.
limit	integer	Max results, default 30, max 100
query	string	Fuzzy text filter on place name, applied WITHIN the proximity search — requires latitude/longitude too, it is not a standalone text search. For 'find this place by name anywhere', use nausika_geocode instead.
types	array	Filter by multiple place types (takes precedence over 'type'). Anchorages are type 'bay'.
offset	integer

nausika_seasonal_forecast

Fetch 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 variables[]). NO waves — chain nausika_marine_forecast for short-term wind + waves. Inputs: latitude, longitude, start_date, end_date, variables. Example: latitude=40.12, longitude=9.01, start_date="2026-08-01", end_date="2026-08-31". SEAS5 forecasts forward only: a start_date in the past is clamped to today and an end_date beyond today+210d is clamped to the horizon, both reported in the response. A window that ends in the past is rejected.

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Argument	Type	Description
end_date*	string	Window end date (UTC, ISO YYYY-MM-DD). Must be ≥ start_date. Dates beyond the SEAS5 horizon (today + 210 days) are clamped — the response reports the adjustment.
latitude*	number	Latitude in decimal degrees (WGS84, -90 to 90)
longitude*	number	Longitude in decimal degrees (WGS84, -180 to 180)
variables	array	Additional variables, additive to the core set (wind_speed_10m, wind_direction_10m, sea_surface_temperature, temperature_2m, precipitation, cloud_cover). Each is expanded server-side into the appropriate daily and monthly aggregates. Defaults to core variables only.
start_date*	string

nausika_tides

Tide 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 horizon ~15 days — longer windows are truncated, not rejected). Set stations_only=true to discover stations (capped by limit). Tune the window with begin_date (YYYYMMDD) + range_hours, the reference with datum, and output units (metric/english). The modeled path reports range_m (peak-to-trough). Across most of the Mediterranean this is under 0.3 m, i.e. negligible for recreational navigation — the response says so explicitly, and you should not present such values as an actionable tide window. Tides matter on the Atlantic coasts, in the Gulf of Gabès, the northern Adriatic, and in the tidal streams of the Messina and Gibraltar straits. Example: latitude=37.77, longitude=-122.42. Chain nausika_geocode for place→coordinates; pair with nausika_marine_forecast.

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Argument	Type	Description
datum	string	Tidal datum reference (default MLLW)
limit	integer	Max stations to return in stations_only mode (default 5, max 10).
units	string	Units: metric (meters) or english (feet)
interval	string	Interval: 'hilo' for high/low only (default), 'h' for hourly predictions
latitude*	number	Latitude in decimal degrees (WGS84, -90 to 90)

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "action"
  ],
  "properties": {
    "name": {
      "type": "string",
      "examples": [
        "Calypso II",
        "Mistral"
      ],
      "maxLength": 100,
      "minLength": 1,
      "description": "Boat name (required for create, identifies boat for update/delete)"
    },
    "type": {
      "enum": [
        "sail",
        "motor",
        "multihull"
      ],
      "type": "string",
      "description": "Boat type"
    },
    "loa_m": {
      "type": "number",
      "maximum": 200,
      "minimum": 1,
      "examples": [
        12.5
      ],
      "description": "Length overall in meters"
    },
    "action": {
      "enum": [
        "upsert",
        "delete",
        "set_default"
      ],
      "type": "string",
      "description": "Create/update, delete, or set a boat as default"
    },
    "beam_m": {
      "type": "number",
      "maximum": 50,
      "minimum": 0.5,
      "examples": [
        4.1
      ],
      "description": "Maximum beam in meters"
    },
    "draft_m": {
      "type": "number",
      "maximum": 20,
      "minimum": 0.1,
      "examples": [
        1.8
      ],
      "description": "Draft in meters"
    },
    "engine_hp": {
      "type": "integer",
      "maximum": 5000,
      "minimum": 1,
      "examples": [
        30
      ],
      "description": "Engine power in HP"
    },
    "engine_type": {
      "enum": [
        "inboard",
        "outboard",
        "none"
      ],
      "type": "string",
      "description": "Engine type"
    },
    "max_speed_kts": {
      "type": "number",
      "maximum": 80,
      "minimum": 0.5,
      "examples": [
        8
      ],
      "description": "Maximum speed in knots"
    },
    "certifications": {
      "type": "string",
      "examples": [
        "CE B"
      ],
      "description": "Certifications"
    },
    "displacement_kg": {
      "type": "integer",
      "maximum": 500000,
      "minimum": 100,
      "examples": [
        8500
      ],
      "description": "Displacement in kg"
    },
    "fuel_capacity_l": {
      "type": "integer",
      "maximum": 50000,
      "minimum": 1,
      "examples": [
        200
      ],
      "description": "Fuel tank capacity in liters"
    },
    "safety_equipment": {
      "type": "string",
      "examples": [
        "VHF",
        "EPIRB",
        "liferaft"
      ],
      "description": "Safety equipment description"
    },
    "water_capacity_l": {
      "type": "integer",
      "maximum": 10000,
      "minimum": 1,
      "examples": [
        250
      ],
      "description": "Water tank capacity in liters"
    },
    "cruising_speed_kts": {
      "type": "number",
      "maximum": 50,
      "minimum": 0.5,
      "examples": [
        6
      ],
      "description": "Cruising speed in knots"
    },
    "motor_consumption_l_per_h": {
      "type": "number",
      "maximum": 1000,
      "minimum": 0,
      "examples": [
        3.5
      ],
      "description": "Average motor fuel consumption at cruising RPM, in litres per hour"
    }
  },
  "additionalProperties": false
}

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "latitude",
    "longitude"
  ],
  "properties": {
    "preset": {
      "enum": [
        "now",
        "today",
        "tactical",
        "planning",
        "extended",
        "none"
      ],
      "type": "string",
      "default": "tactical",
      "description": "High-level mode. now=current snapshot, today=24h hourly+daily, tactical=3d hourly_3+daily (default), planning=8d daily, extended=14d daily, none=3d hourly_3+daily but with NO core variables (caller supplies full variables list)."
    },
    "end_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "examples": [
        "2026-06-22"
      ],
      "description": "Window end date YYYY-MM-DD. Used with start_date. Defaults to preset. Same ~16-day (forecast) / ~8-day (marine) window limit as start_date — use nausika_seasonal_forecast beyond that."
    },
    "end_hour": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}$",
      "examples": [
        "2026-06-15T18:00",
        "2026-06-15T23:00"
      ],
      "description": "Window end ISO YYYY-MM-DDThh:mm. Used with start_hour. Defaults to preset."
    },
    "latitude": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Latitude in decimal degrees (WGS84, -90 to 90)"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Longitude in decimal degrees (WGS84, -180 to 180)"
    },
    "variables": {
      "type": "array",
      "items": {
        "enum": [
          "wave_height",
          "wave_direction",
          "wave_period",
          "wind_wave_height",
          "wind_wave_direction",
          "wind_wave_period",
          "wind_wave_peak_period",
          "swell_wave_height",
          "swell_wave_direction",
          "swell_wave_period",
          "swell_wave_peak_period",
          "secondary_swell_wave_height",
          "secondary_swell_wave_direction",
          "secondary_swell_wave_period",
          "tertiary_swell_wave_height",
          "tertiary_swell_wave_direction",
          "tertiary_swell_wave_period",
          "ocean_current_velocity",
          "ocean_current_direction",
          "sea_surface_temperature",
          "sea_level_height_msl",
          "invert_barometer_height",
          "wind_speed_10m",
          "wind_direction_10m",
          "wind_gusts_10m",
          "pressure_msl",
          "surface_pressure",
          "weather_code",
          "visibility",
          "cloud_cover",
          "cloud_cover_low",
          "cloud_cover_mid",
          "cloud_cover_high",
          "precipitation",
          "precipitation_probability",
          "rain",
          "showers",
          "temperature_2m",
          "apparent_temperature",
          "relative_humidity_2m",
          "dew_point_2m",
          "cape",
          "is_day",
          "shortwave_radiation",
          "sunrise",
          "sunset",
          "daylight_duration",
          "sunshine_duration",
          "uv_index_max",
          "uv_index_clear_sky_max"
        ],
        "type": "string"
      },
      "examples": [
        [
          "wave_height",
          "wind_speed_10m"
        ],
        [
          "swell_wave_height",
          "uv_index_max"
        ]
      ],
      "description": "Extra variables added to the preset core (additive). Each is routed to its endpoint automatically. Required (non-empty) when preset='none'. Examples: swell_wave_height/swell_wave_direction/swell_wave_period for swell breakdown, ocean_current_velocity/ocean_current_direction (FROM-corrected) for currents, cape for thunderstorm risk, uv_index_max for UV."
    },
    "start_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "examples": [
        "2026-06-15"
      ],
      "description": "Window start date YYYY-MM-DD. Used with end_date. Wins over forecast_hours/forecast_days. Defaults to preset. Must fall within the rolling forecast window (~16 days ahead for atmospheric data, ~8 days for marine/wave data) — for dates further out, use nausika_seasonal_forecast instead."
    },
    "start_hour": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}$",
      "examples": [
        "2026-06-15T06:00",
        "2026-06-15T12:00"
      ],
      "description": "Window start ISO YYYY-MM-DDThh:mm. Used with end_hour. Most specific override (wins over date and hour-count windows). Defaults to preset."
    },
    "forecast_days": {
      "type": "integer",
      "maximum": 16,
      "minimum": 1,
      "examples": [
        3,
        7
      ],
      "description": "Override preset days (1-16). Forecast endpoint caps at 16, Marine at 8. Defaults to preset."
    },
    "forecast_hours": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "examples": [
        12,
        24
      ],
      "description": "Override with an hourly window. Wins over forecast_days. Defaults to preset."
    },
    "include_percentiles": {
      "type": "boolean",
      "default": false,
      "description": "When true, ALSO fetch the Open-Meteo ECMWF IFS-ENS ensemble (50 perturbed members) and expose `<var>_p10/_p50/_p90` percentile series alongside the deterministic forecast for atmospheric variables (precipitation, wind, gusts, pressure, temperature, etc.). Reveals forecast uncertainty — useful at planning/extended horizons or for convective setups where the deterministic run can disagree wildly with the ensemble median. Waves/swell/currents/SST stay deterministic (no public ensemble). Adds one extra HTTP call (~200ms latency) and grows the hourly payload ~4×. Default false."
    },
    "temporal_resolution": {
      "enum": [
        "hourly_1",
        "hourly_3",
        "hourly_6"
      ],
      "type": "string",
      "description": "Override hourly granularity. hourly_1=every hour, hourly_3=every 3h, hourly_6=every 6h. Defaults to the preset's resolution."
    }
  }
}

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "origin_lat",
    "origin_lon",
    "dest_lat",
    "dest_lon"
  ],
  "properties": {
    "units": {
      "enum": [
        "nauticalmiles",
        "kilometers",
        "miles"
      ],
      "type": "string",
      "default": "nauticalmiles",
      "description": "Distance units (default: nauticalmiles)"
    },
    "dest_lat": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Destination latitude"
    },
    "dest_lon": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Destination longitude"
    },
    "origin_lat": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Origin latitude"
    },
    "origin_lon": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Origin longitude"
    },
    "speed_knots": {
      "type": "number",
      "maximum": 50,
      "minimum": 0.5,
      "examples": [
        6,
        7,
        8
      ],
      "description": "Vessel speed in knots for ETA calculation. Omit to use the caller's saved boat profile speed if one exists, else 6 kn (typical sailing yacht). An explicit value always wins over the boat profile."
    },
    "optimization": {
      "enum": [
        "off",
        "fast",
        "precise"
      ],
      "type": "string",
      "default": "fast",
      "description": "Waypoint smoothing level. 'fast' (default): light smoothing, milliseconds. 'precise': highest-quality smoothing, slower (up to a few seconds). 'off': raw waypoints, unsmoothed."
    },
    "snap_to_water": {
      "type": "boolean",
      "default": true,
      "examples": [
        true
      ],
      "description": "If origin or destination falls on land (e.g. a city centroid from nausika_geocode like Lisbon → 38.71, -9.14), automatically snap to the nearest known marine place (marina, anchorage, port) within a nearby distance. Set to false to disable and force a hard error on land coordinates. Default true."
    },
    "include_waypoints": {
      "type": "boolean",
      "default": true,
      "examples": [
        true,
        false
      ],
      "description": "Set to false for distance-only mode (no waypoints or GeoJSON)"
    }
  },
  "additionalProperties": false
}

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "type": {
      "enum": [
        "marina",
        "port",
        "bay",
        "fuel_station",
        "yacht_club",
        "city",
        "island",
        "cape",
        "gulf",
        "lighthouse",
        "beach",
        "town",
        "village",
        "peninsula",
        "strait",
        "restaurant",
        "bar",
        "cafe",
        "supermarket",
        "convenience",
        "bakery",
        "pharmacy",
        "atm",
        "laundry",
        "post_office",
        "clinic",
        "water_point",
        "chandlery"
      ],
      "type": "string",
      "description": "Filter by place type (ignored if 'types' is provided). Anchorages are type 'bay'."
    },
    "limit": {
      "type": "integer",
      "default": 30,
      "maximum": 100,
      "minimum": 1,
      "examples": [
        10,
        20,
        50
      ],
      "description": "Max results, default 30, max 100"
    },
    "query": {
      "type": "string",
      "examples": [
        "marina genova",
        "porto antico",
        "Bonifacio"
      ],
      "maxLength": 200,
      "minLength": 1,
      "description": "Fuzzy text filter on place name, applied WITHIN the proximity search — requires latitude/longitude too, it is not a standalone text search. For 'find this place by name anywhere', use nausika_geocode instead."
    },
    "types": {
      "type": "array",
      "items": {
        "enum": [
          "marina",
          "port",
          "bay",
          "fuel_station",
          "yacht_club",
          "city",
          "island",
          "cape",
          "gulf",
          "lighthouse",
          "beach",
          "town",
          "village",
          "peninsula",
          "strait",
          "restaurant",
          "bar",
          "cafe",
          "supermarket",
          "convenience",
          "bakery",
          "pharmacy",
          "atm",
          "laundry",
          "post_office",
          "clinic",
          "water_point",
          "chandlery"
        ],
        "type": "string"
      },
      "examples": [
        [
          "marina",
          "bay"
        ],
        [
          "marina",
          "port"
        ]
      ],
      "description": "Filter by multiple place types (takes precedence over 'type'). Anchorages are type 'bay'."
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "examples": [
        0,
        30,
        60
      ],
      "description": "Offset for pagination"
    },
    "category": {
      "enum": [
        "poi",
        "location"
      ],
      "type": "string",
      "examples": [
        "poi",
        "location"
      ],
      "description": "Filter by category"
    },
    "latitude": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        44.4
      ],
      "description": "Center latitude for proximity search"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        15.6
      ],
      "description": "Center longitude for proximity search"
    },
    "radius_km": {
      "type": "number",
      "default": 50,
      "maximum": 200,
      "minimum": 0.5,
      "examples": [
        25,
        50,
        100
      ],
      "description": "Search radius in km (default 50, max 200)"
    },
    "names_lang": {
      "type": "string",
      "pattern": "^[a-z]{2,3}(-[A-Z]{2})?$",
      "examples": [
        "it",
        "fr",
        "en"
      ],
      "description": "ISO 639-1 lang code. When set, response `name` is replaced with attributes.i18n.names[lang] if present; canonical OSM name kept as `name_canonical`."
    },
    "bottom_type": {
      "enum": [
        "sand",
        "mud",
        "rock",
        "gravel",
        "clay",
        "coral",
        "weed",
        "shells"
      ],
      "type": "string",
      "description": "Bottom type filter (e.g. 'sand')"
    },
    "shelter_from": {
      "enum": [
        "N",
        "NE",
        "E",
        "SE",
        "S",
        "SW",
        "W",
        "NW"
      ],
      "type": "string",
      "description": "Compass direction to filter shelter (e.g. 'NW')"
    },
    "max_coverage_score": {
      "type": "integer",
      "maximum": 100,
      "minimum": 0,
      "examples": [
        30,
        50
      ],
      "description": "Maximum coverage score 0-100 — filter to low-coverage places that need enrichment"
    },
    "min_coverage_score": {
      "type": "integer",
      "maximum": 100,
      "minimum": 0,
      "examples": [
        60,
        80
      ],
      "description": "Minimum coverage score 0-100 — filter places by data completeness"
    }
  },
  "additionalProperties": false
}

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "latitude",
    "longitude",
    "start_date",
    "end_date"
  ],
  "properties": {
    "end_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Window end date (UTC, ISO YYYY-MM-DD). Must be ≥ start_date. Dates beyond the SEAS5 horizon (today + 210 days) are clamped — the response reports the adjustment."
    },
    "latitude": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Latitude in decimal degrees (WGS84, -90 to 90)"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Longitude in decimal degrees (WGS84, -180 to 180)"
    },
    "variables": {
      "type": "array",
      "items": {
        "enum": [
          "wind_speed_10m",
          "wind_direction_10m",
          "sea_surface_temperature",
          "temperature_2m",
          "precipitation",
          "cloud_cover",
          "pressure_msl",
          "surface_pressure",
          "sunshine_duration",
          "shortwave_radiation",
          "apparent_temperature",
          "dew_point_2m",
          "relative_humidity_2m",
          "weather_code",
          "sunrise_sunset",
          "snowfall",
          "snow_depth"
        ],
        "type": "string"
      },
      "examples": [
        [
          "sunshine_duration",
          "pressure_msl"
        ],
        [
          "apparent_temperature",
          "relative_humidity_2m"
        ]
      ],
      "description": "Additional variables, additive to the core set (wind_speed_10m, wind_direction_10m, sea_surface_temperature, temperature_2m, precipitation, cloud_cover). Each is expanded server-side into the appropriate daily and monthly aggregates. Defaults to core variables only."
    },
    "start_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Window start date (UTC, ISO YYYY-MM-DD). Dates before today are clamped to today (SEAS5 forecasts forward only) — the response reports the adjustment."
    },
    "include_members": {
      "type": "boolean",
      "default": false,
      "description": "When true, expose all 50 ECMWF SEAS5 ensemble members (`<var>_memberNN`) in the response. Default (false) collapses them into `_p10/_p50/_p90` percentile series alongside the ensemble mean — ~20× smaller payload, same statistical signal."
    }
  }
}

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "latitude",
    "longitude"
  ],
  "properties": {
    "datum": {
      "enum": [
        "MLLW",
        "MLW",
        "MSL",
        "MHW",
        "MHHW",
        "NAVD",
        "STND"
      ],
      "type": "string",
      "default": "MLLW",
      "description": "Tidal datum reference (default MLLW)"
    },
    "limit": {
      "type": "integer",
      "default": 5,
      "maximum": 10,
      "minimum": 1,
      "examples": [
        5,
        10
      ],
      "description": "Max stations to return in stations_only mode (default 5, max 10)."
    },
    "units": {
      "enum": [
        "metric",
        "english"
      ],
      "type": "string",
      "default": "metric",
      "description": "Units: metric (meters) or english (feet)"
    },
    "interval": {
      "enum": [
        "h",
        "hilo"
      ],
      "type": "string",
      "default": "hilo",
      "description": "Interval: 'hilo' for high/low only (default), 'h' for hourly predictions"
    },
    "latitude": {
      "type": "number",
      "maximum": 90,
      "minimum": -90,
      "examples": [
        38.7,
        43.55,
        41.39
      ],
      "description": "Latitude in decimal degrees (WGS84, -90 to 90)"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "examples": [
        9.14,
        10.32,
        2.17
      ],
      "description": "Longitude in decimal degrees (WGS84, -180 to 180)"
    },
    "begin_date": {
      "type": "string",
      "pattern": "^\\d{8}$",
      "examples": [
        "20260615",
        "20260701"
      ],
      "description": "Start date in YYYYMMDD format (defaults to today UTC)."
    },
    "range_hours": {
      "type": "integer",
      "default": 48,
      "maximum": 744,
      "minimum": 1,
      "examples": [
        24,
        48
      ],
      "description": "Duration in hours (default 48, max 744 = ~31 days)."
    },
    "stations_only": {
      "type": "boolean",
      "default": false,
      "examples": [
        true,
        false
      ],
      "description": "If true, return nearby stations without fetching predictions (station discovery mode). Defaults to false."
    }
  },
  "additionalProperties": false
}