roque-nights.netlify.app
Roque Nights is an agent-native observing planner for the night sky. It computes darkness, Moon interference and 110 Messier objects entirely in your browser, and hands your AI agent 14 WebMCP site…
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 4 · Act 8 · Transact 0 · Score: Not yet scored
Tool inspector
get_night_ephemeris
Use this first when planning a night. Returns the astronomical ephemeris for the night that STARTS on the given evening: sunset and sunrise, civil, nautical and astronomical twilight, the true astronomical darkness window (Sun below -18 degrees), Moon rise and set, illumination and phase, total dark hours and how many of them are Moon-free. Pure astronomy computed in the browser with astronomy-engine; it does NOT include weather, seeing or transparency (use compare_dark_sky_sites for a cloud forecast). Defaults to the night and site currently shown in the app. Times are returned as UTC plus site-local time; for custom coordinates pass site.time_zone or you will only get UTC. Polar and high-latitude cases are explicit in data.darkness.status and data.sun.status.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
date |
string | no | Local calendar date of the EVENING the night starts (YYYY-MM-DD). Omit for the night currently selected in the app. |
site |
object | no | Observing site to compute for. Omit to use the site currently shown in the app. Otherwise name a dark-sky catalog site with id (preferred) or name, OR pass BOTH latitude and longitude, plus time_zone (IANA, e.g. "Pacific/Honolulu") if you want local times; without a zone only UTC is returned. An object that does neither comes back as invalid_site with a hint. Answering for a site here does NOT move the app: to change the site the page itself shows, call the tool set_observing_site (the page also carries a declarative form named set_observing_site_form, and both go through the same validation). |
Raw JSON schema
{
"type": "object",
"properties": {
"date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Local calendar date of the EVENING the night starts (YYYY-MM-DD). Omit for the night currently selected in the app."
},
"site": {
"type": "object",
"description": "Observing site to compute for. Omit to use the site currently shown in the app. Otherwise name a dark-sky catalog site with id (preferred) or name, OR pass BOTH latitude and longitude, plus time_zone (IANA, e.g. \"Pacific/Honolulu\") if you want local times; without a zone only UTC is returned. An object that does neither comes back as invalid_site with a hint. Answering for a site here does NOT move the app: to change the site the page itself shows, call the tool set_observing_site (the page also carries a declarative form named set_observing_site_form, and both go through the same validation).",
"properties": {
"id": {
"type": "string",
"maxLength": 40,
"description": "Dark-sky catalog id such as roque, mauna-kea, paranal; preferred over coordinates because it brings the exact elevation and IANA zone."
},
"latitude": {
"type": "number",
"minimum": -90,
"maximum": 90,
"description": "Decimal degrees, north positive."
},
"longitude": {
"type": "number",
"minimum": -180,
"maximum": 180,
"description": "Decimal degrees, EAST positive (Mauna Kea is -155.47)."
},
"elevation_m": {
"type": "number",
"minimum": -430,
"maximum": 9000
},
"time_zone": {
"type": "string",
"description": "IANA time zone name."
},
"name": {
"type": "string",
"maxLength": 80,
"description": "Catalog site name (\"Mauna Kea\", matched loosely) when you pass no coordinates, or the label for the coordinates when you do."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
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