LocalFree

Astronomy Oracle MCP server

gregario/astronomy-oracle

Astronomical catalog data and observing session planning: OpenNGC deep-sky objects with visibility, rise/transit/set and alt/az calculations.

3 GitHub stars1 forks478 npm downloads / month
Source code

Install Astronomy Oracle in Claude Code

Claude Code
claude mcp add astronomy-oracle -- npx -y astronomy-oracle
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "astronomy-oracle": {
      "command": "npx",
      "args": [
        "-y",
        "astronomy-oracle"
      ]
    }
  }
}

Frequently asked questions

What does the Astronomy Oracle MCP server do?

Astronomical catalog data and observing session planning: OpenNGC deep-sky objects with visibility, rise/transit/set and alt/az calculations.

Is the Astronomy Oracle MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Astronomy Oracle run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Astronomy Oracle to Claude Code?

Run: claude mcp add astronomy-oracle -- npx -y astronomy-oracle

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