Transit and timing

Ruling Planet Intervals

get_rp_interval

Ruling Planets (RP) computed at regular intervals over a window (e.g. every 60 min for 24 h). Returns '{ intervals: [{ datetime, ascSignLord, ascStarLord, ascSubLord, moonStarLord, moonSubLord, dayLord, rankedRPs[] }] }'. Use when: scanning a day or week for the moment whose RP set best matches a target event's significators.

Parameters

Name	Type	Required	Description
startDatetime	string	Yes	Start datetime
endDatetime	string	Yes	End datetime
interval_minutes	number	No	Interval between checks in minutes. Default: 60.

Example call

Send the request as a standard MCP tools/call:

http

POST https://mcp.lumin.guru/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_rp_interval",
    "arguments": {
      "startDatetime": "...",
      "endDatetime": "..."
    }
  }
}

Engine endpoint

This tool delegates to the kp-engine endpoint:

http

POST /v1/kp/ruling-planets/interval

The engine is a private internal service. All public access flows through the MCP server, which handles auth, rate limiting, and response compaction.