Moonlora

MCP for moon data: phases, illumination, moon signs, full/new moon dates

GitHub

Documentation

Moonlora MCP Server 🌙

Remote MCP server for moon data — phases, illumination, moon signs, full/new moon dates (1900–2100) and moonrise/moonset for any coordinates. Computed with the Meeus algorithm, not scraped. Hosted, stateless, no install, no API key.

https://moonlora.com/api/mcp

Add to your assistant

Claude Desktop / Claude Code / Cursor:

{
  "mcpServers": {
    "moonlora": { "url": "https://moonlora.com/api/mcp" }
  }
}

Tools

ToolWhat it does
get_moon_phasePhase, illumination, moon sign, next full/new moon for any date. Optional latitude/longitude adds moonrise/moonset (UTC).
list_full_moonsEvery full moon of a year with exact UTC times, traditional names and moon signs.
list_new_moonsEvery new moon of a year with exact UTC times and moon signs.

Example

curl -X POST https://moonlora.com/api/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_moon_phase","arguments":{"date":"2026-08-28"}}}'

There's also a plain JSON REST API and an embeddable widget — see moonlora.com/developers (OpenAPI 3.1).

Accuracy & license

Meeus phase algorithm (±5 min), moonrise/set ±2 min. Free for any use — attribution required: a visible link to moonlora.com. Please don't land a spacecraft with it.