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
compare_dark_sky_sites
Use this to compare the world's dark-sky observatories and Starlight reserves for a night: for each site it returns astronomical darkness hours and Moon-free hours, plus (when the network allows) the night's mean cloud cover, humidity and 200 hPa wind (a seeing proxy) from Open-Meteo in ONE request. Ranks sites by usable dark hours and clear-sky fraction. Pass site_ids to restrict, or include_current_site to add the site shown in the app. This is the ONLY tool that calls an external service; if it fails it falls back to a cached forecast and says so in caveats.
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_ids |
array | no | Restrict the comparison to these dark-sky sites, by id or by name; matching ignores case and punctuation and accepts a name prefix. Known ids: roque, teide, mauna-kea, haleakala, paranal, la-silla, cerro-pachon, cerro-tololo, chajnantor, kitt-peak, mount-graham, mount-lemmon, palomar, dantes-view, jasper, pic-du-midi, calar-alto, montsec, alqueva, kerry, brecon-beacons, westhavelland, sutherland, namibrand, hanle, ali, siding-spring, aoraki-mackenzie. Omit to compare all 28. |
include_current_site |
boolean | no | Add the observing site currently shown in the app to the comparison. |
include_weather |
boolean | no | Ask Open-Meteo for the cloud forecast. Set false for pure astronomy with no network call. |
limit |
integer | no | How many sites to return, best first. |
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_ids": {
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 60
},
"maxItems": 30,
"description": "Restrict the comparison to these dark-sky sites, by id or by name; matching ignores case and punctuation and accepts a name prefix. Known ids: roque, teide, mauna-kea, haleakala, paranal, la-silla, cerro-pachon, cerro-tololo, chajnantor, kitt-peak, mount-graham, mount-lemmon, palomar, dantes-view, jasper, pic-du-midi, calar-alto, montsec, alqueva, kerry, brecon-beacons, westhavelland, sutherland, namibrand, hanle, ali, siding-spring, aoraki-mackenzie. Omit to compare all 28."
},
"include_current_site": {
"type": "boolean",
"default": true,
"description": "Add the observing site currently shown in the app to the comparison."
},
"include_weather": {
"type": "boolean",
"default": true,
"description": "Ask Open-Meteo for the cloud forecast. Set false for pure astronomy with no network call."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 30,
"default": 10,
"description": "How many sites to return, best first."
}
},
"additionalProperties": false
}
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