Core analysis
Natal Promise Analysis
analyze_natal_promise
Run Cuspal Sub Lord (CSL) promise analysis across 25 life events. The CSL is the planet ruling the sub-division at a house cusp, KP's deciding factor for whether any event is promised in the chart. Returns '{ events: { Marriage, Career, Childbirth, Foreign Travel, ... }: { verdict: PROMISED|DENIED|MIXED_ACTIVE, coveragePct, supportingHouses[], detrimentalHouses[], cslChain } }'. Use when: starting any life-event question, call this BEFORE timing tools.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| birth_datetime | string | Yes | Birth date and time in ISO 8601 format (e.g., "1990-05-15T14:30:00"). |
| latitude | number | Yes | Birth location latitude. Range: -90 to 90. |
| longitude | number | Yes | Birth location longitude. Range: -180 to 180. |
| utc_offset_minutes | number | Yes | UTC offset in minutes (e.g., 330 for IST, -300 for EST). |
| ayanamsa | enum: kp | lahiri | raman | true_chitra | No | Ayanamsa system. Defaults to kp. |
Example call
Send the request as a standard MCP tools/call:
POST https://mcp.lumin.guru/mcp
Content-Type: application/json
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "analyze_natal_promise",
"arguments": {
"birth_datetime": "1992-08-14T04:32:00",
"latitude": 6.927,
"longitude": 79.861,
"utc_offset_minutes": 330,
"ayanamsa": "kp"
}
}
}Engine endpoint
This tool delegates to the kp-engine endpoint:
POST /v1/kp/csl-analysisThe engine is a private internal service. All public access flows through the MCP server, which handles auth, rate limiting, and response compaction.
Birth data
This tool requires birth data. If you have already called set_birth_profile in the same conversation, the MCP server injects those fields automatically and you can omit them from the call.