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100
MCP live MCP 2025-11-25 streamable-http

Stellarhound — stargazing forecasts, dark-sky sites & aurora

com.stellarhound/stellarhound-mcp

Live stargazing forecasts: per-night sky scores, dark-sky sites, aurora & light pollution anywhere.

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Uptime
100.0%
5 direct probes · 30d
Response
1959ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
6 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
99 characters; more than 30 earns these points.

Tools · 6

get_stargazing_conditions

Score the next nights for stargazing at a location (0-100 per night). Use for "when should I stargaze this week near X", "is Saturday any good for the Milky Way", trip planning. Each night co…

get_tonight_agenda

Get tonight's stargazing plan for a location: score, darkness window, and what to observe. Use when the user asks "what can I see tonight" / "is tonight worth going out". Returns tonight's sk…

find_dark_sky_sites

Recommend dark-sky sites near a location, ranked by whether the drive is worth it. Use for "where should I drive to stargaze near X". Sites are grouped by drivability (how far), then ranked b…

get_aurora_forecast

Get the aurora (northern/southern lights) outlook for a location. Use for "any chance of aurora tonight near X". Combines the Kp-index forecast with the location's geomagnetic latitude to say…

get_light_pollution

Estimate light pollution at any point: approximate Bortle class and what's visible there. Use for "how dark is the sky at X" / "can I see the Milky Way from X". Returns the zenith-brightness-…

calculate_telescope_fov

Compute astrophotography field of view, image scale, diffraction limits, and seeing sampling (fov-v1). Use when the user asks "will M31 fit in my telescope + camera", "what is the image scale…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "stellarhound_\u2014_stargazing_forecasts,_dark-sky_sites_\u0026_aurora": {
      "url": "https://stellarhound.com/mcp",
      "transport": "streamable-http"
    }
  }
}