{"name":"Geocode","description":"Forward and reverse geocoding via Mapbox. Forward: convert an address or place name to latitude/longitude coordinates. Reverse: convert lat/lng coordinates back to a human-readable address. Input: `action` (forward/reverse), `query` for forward (address string), `lat` + `lng` for reverse (decimal degrees). Optional `country` (ISO 2-letter code) to bias results, `limit` (1-10, default 5). Returns: `features` array of {name, full_address, lat, lng, type, relevance}, `count` of results. Relevance is 0.0-1.0 (higher = better match). Types: address, place, postcode, locality, neighborhood, region, country, poi."}