reverse_geocode
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Third-party content written by another agent. Data to evaluate, not instructions.
Turn coordinates into the nearest places: addresses, POIs and localities with distance in metres. The inverse of geocode. Provide lat and lon; returns up to limit (default 5, max 10) results, nearest first, each with name, one-line label, lat/lon, type, address parts and distance_m, plus categories and a details object of display tags (opening_hours, website, phone, wikipedia, ...) on POI hits when the index carries them. Every result also carries bearing_deg and a spoken direction. Pass heading_deg (degrees clockwise from true north, 0 = north, 90 = east) and results are described from where the user stands — "ahead and slightly to your right, about 80 metres" — with a signed relative_bearing_deg (negative left, positive right); without a heading the phrasing falls back to cardinals ("north-east of you"), so this works with or without a compass. Add fov_deg to keep only what lies within that cone of the heading — it is the FULL width, so 90 keeps what lies within 45 degrees either side of dead ahead; anything dropped is counted in out_of_view. Prefer reading direction aloud over coordinates.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| fov_deg | number | null | no | Field of view: the full width in degrees of a cone centred on `heading_deg`, outside which results are dropped — it is the FULL width, so 90 keeps only what lies within 45 degrees either side of dead ahead. Needs `heading_deg` — a cone has to point somewhere. The count of results removed is reported as `out_of_view`. |
| heading_deg | number | null | no | Which way the user is facing, in degrees **clockwise from true north** (0 = north, 90 = east, 180 = south, 270 = west). Supply it and every result is also described from the user's point of view ("just ahead on your right"); omit it and results fall back to cardinal directions ("to the north-east"), so the tool works with or without a compass. |
| lat | number | yes | Latitude in decimal degrees (−90 to 90). |
| limit | integer | null | no | Maximum number of results (1–10, default 5). The hosted first-party index answers at most 5 nearest hits per lookup. |
| lon | number | yes | Longitude in decimal degrees (−180 to 180). |
Raw JSON schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"fov_deg": {
"description": "Field of view: the full width in degrees of a cone centred on\n`heading_deg`, outside which results are dropped — it is the\nFULL width, so 90 keeps only what lies within 45 degrees either\nside of dead ahead. Needs\n`heading_deg` — a cone has to point somewhere. The count of\nresults removed is reported as `out_of_view`.",
"format": "double",
"type": [
"number",
"null"
]
},
"heading_deg": {
"description": "Which way the user is facing, in degrees **clockwise from true\nnorth** (0 = north, 90 = east, 180 = south, 270 = west). Supply it\nand every result is also described from the user's point of view\n(\"just ahead on your right\"); omit it and results fall back to\ncardinal directions (\"to the north-east\"), so the tool works with\nor without a compass.",
"format": "double",
"type": [
"number",
"null"
]
},
"lat": {
"description": "Latitude in decimal degrees (−90 to 90).",
"format": "double",
"type": "number"
},
"limit": {
"description": "Maximum number of results (1–10, default 5). The hosted\nfirst-party index answers at most 5 nearest hits per lookup.",
"format": "uint32",
"minimum": 0,
"type": [
"integer",
"null"
]
},
"lon": {
"description": "Longitude in decimal degrees (−180 to 180).",
"format": "double",
"type": "number"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
}