MCP server

Stellarhound — stargazing forecasts, dark-sky sites & aurora Official

com.stellarhound/stellarhound-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

stellarhound.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 1,468 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http stellarhound-mcp https://stellarhound.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.stellarhound-mcp]
url = "https://stellarhound.com/mcp"

Gemini CLI

{"mcpServers":{"stellarhound-mcp":{"httpUrl":"https://stellarhound.com/mcp"}}}

Cursor

{"mcpServers":{"stellarhound-mcp":{"url":"https://stellarhound.com/mcp"}}}

VS Code

{"servers":{"stellarhound-mcp":{"type":"http","url":"https://stellarhound.com/mcp"}}}

Antigravity

agy mcp add stellarhound-mcp https://stellarhound.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"stellarhound-mcp","server_url":"https://stellarhound.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"stellarhound-mcp","server_url":"https://stellarhound.com/mcp"}

Tools

• find_dark_sky_sites ~335 tokens
  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 by a drive-worth score combining the best weather window over the next 7 nights, how much darker
• get_aurora_forecast ~240 tokens
  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 whether aurora could be visible there, and when. Args: lat: Latitude in decimal de
• get_light_pollution ~269 tokens
  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-derived estimate (mpsas, approximate Bortle class) and a plain-language ceiling: what the Milky
• get_stargazing_conditions ~386 tokens
  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 combines the three-layer cloud-cover forecast, moon illumination and up-fraction, and the astr
• get_tonight_agenda ~238 tokens
  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 sky score and darkness window plus a ranked agenda of observing targets appropriate for the locati

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