# Sunvane Golden Hour

> Sun times & shoot planning

- name: io.github.theluckystrike/golden-hour
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 78/100 flags: no-repository
- quality: 86/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.theluckystrike%2Fgolden-hour
- tools: https://api.protogrid.dev/v1/servers/io.github.theluckystrike%2Fgolden-hour/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "golden-hour": {
      "type": "http",
      "url": "https://golden-hour.zovo.one/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 40
- drivers: +website -thin-description +reachable +uptime-100% +updated-23d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 86/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 88 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 3 of 3 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: plan_golden_hour_shoot (idempotentHint); find_sun_times (idempotentHint); compare_day_length (idempotentHint)
- pass `tools.token_cost`: about 1,059 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 3, about 1,059 tokens to load them all
- tool set hash: 93ce8684bfa0d6abd26f71c584e9fb2f
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.theluckystrike/golden-hour.svg)](https://protogrid.dev/servers/io.github.theluckystrike/golden-hour)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://golden-hour.zovo.one/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (3)

- `compare_day_length`: Use this when the user asks for day length differences and average change per day between two local dates, or the solstices and equinoxes of a year. Returns daylight duration for each date and signed changes. Limits: cities with population 50,000+ (plus Tromso), dates/years 1900–2100, flat sea-level horizon; use either date_a and date_b or year, and not both. Does not forecast weather.
- `find_sun_times`: Use this when the user asks for a golden hour calculator, golden hour time, sunrise sunset times, sunset time today, what time is golden hour, blue hour, sunrise time, or twilight times for a city and local date. Returns local sunrise, sunset, solar noon, day length, twilight, light windows and sun azimuth. Limits: cities with population 50,000+ (plus Tromso), dates 1900–2100, flat sea-level horizon; Does not model weather or terrain.
- `plan_golden_hour_shoot`: Use this when the user wants photography golden hour shoot windows for a city and a date range, with an ICS calendar file and CSV table. Choose morning, evening or both. Limits: 1–31 days, cities with population 50,000+ (plus Tromso), years 1900–2100, flat sea-level horizon; missing polar windows are reported and calendar events are only included for existing windows. Does not access or change a calendar.