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Moon Phase

Verified Integration
Author: @appliedgocode•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#AI#GitHub#Node.js

Client Configuration

— Connect Moon Phase to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "moon-phase": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-moon-phase"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Calculates moon phases and illumination based on date and time, providing a clear example of an MCP server.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Moon Phase

It provides two key pieces of information: 'moon_age' (the number of days since the last new moon) and 'illumination' (the percentage of the moon's face illuminated, from 0-100%).

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