random-space-fact MCP Server

Fetches a random interesting fact about space, astronomy, or the universe.

This MCP server provides a tool for retrieving a random fact about a celestial body in our solar system using live data from the Le Systeme Solaire API.

Installation

You can use this package with Claude Desktop or any compatible MCP-compatible client.

Install globally with npm (recommended):

npm install -g @dennisk2025/random-space-fact

Or run directly via npx (no install required):

npx @dennisk2025/random-space-fact

Adding to Claude Desktop

Add the following to your claude_desktop_config.json configuration file:

{
  "mcpServers": {
    "random-space-fact": {
      "command": "npx",
      "args": ["@dennisk2025/random-space-fact"]
    }
  }
}

Config file location:

• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Windows: %APPDATA%\Claude\claude_desktop_config.json

Usage

Once added to Claude Desktop, you can invoke the tool directly by its tool name:

Available tool: get_random_space_fact

Description: Returns a random fact about a celestial body in our solar system.

Parameters: None (no input required).

Example Tool Call

To request a random space fact:

{
  "tool": "get_random_space_fact",
  "parameters": {}
}

Example response:

{
  "fact": "The surface gravity on Mars is approximately 3.71 m/s².",
  "body": {
    "englishName": "Mars",
    "bodyType": "Planet",
    "isPlanet": true,
    "discoveryDate": "",
    "discoveryBy": "",
    "semimajorAxis": 227943824,
    "density": 3.94,
    "gravity": 3.71,
    "meanRadius": 3389.5
  }
}

List of Available Tools

• get_random_space_fact
  • Parameters: (none)
  • Returns: Random fact and details about a celestial body

Enjoy exploring our solar system!