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post_astrology_natal_chart

Active

Tool of Western Astrology MCP Server by RoxyAPI

declared in 2.0.0

Calculate complete Western astrology natal chart (birth chart) with tropical zodiac. Returns all 14 celestial bodies (the 10 classical planets Sun through Pluto, the lunar nodes, Chiron, and Black Moon Lilith), 12 house cusps with customizable house systems (Placidus, Whole Sign, Equal, Koch), major and minor aspects, Ascendant, Midheaven, dominant elements and modalities. Perfect for astrology apps, birth chart generators, horoscope websites, and astrological consultation tools. Verified against NASA JPL Horizons.

Parameters schema

{
  "type": "object",
  "required": [
    "date",
    "time",
    "latitude",
    "longitude",
    "timezone"
  ],
  "properties": {
    "date": {
      "type": "string",
      "format": "date",
      "example": "1990-07-15",
      "description": "Birth date in YYYY-MM-DD format. Determines planetary positions for the specific calendar day."
    },
    "lang": {
      "enum": [
        "en",
        "tr",
        "de",
        "es",
        "hi",
        "pt",
        "fr",
        "ru"
      ],
      "type": "string",
      "default": "en",
      "example": "en",
      "description": "Response language (ISO 639-1). Supported: en, tr, de, es, hi, pt, fr, ru. Defaults to en. Languages without translations yet return English."
    },
    "time": {
      "type": "string",
      "format": "time",
      "example": "14:30:00",
      "description": "Birth time in 24-hour HH:MM:SS format. Determines the Ascendant (rising sign) and house cusps. Use 12:00:00 if unknown."
    },
    "compact": {
      "type": "boolean",
      "default": false,
      "description": "Set true to receive the exact same data in a token-optimized shape that is cheaper for you to read: whitespace is stripped and every array of same-shaped objects is encoded columnar as {\"__cols\":[field names],\"__rows\":[[values]]}, so each field name is sent once instead of once per row. Fully lossless (no field or value is dropped or changed) and typically 40 to 52 percent fewer tokens on large results. Prefer true whenever token or inference cost matters. Default false returns standard indented JSON."
    },
    "latitude": {
      "type": "number",
      "example": 40.7128,
      "maximum": 90,
      "minimum": -90,
      "description": "Birth location latitude in decimal degrees (-90 to 90). Positive = North, negative = South."
    },
    "timezone": {
      "anyOf": [
        {
          "type": "number",
          "maximum": 14,
          "minimum": -14
        },
        {
          "type": "string"
        }
      ],
      "example": -5,
      "description": "Timezone: IANA name (e.g. \"America/New_York\", \"Europe/London\") OR decimal hours from UTC (e.g. -5 for EST, 1 for CET). IANA strings are resolved to the DST-correct offset for the given date, so you can pass `cities[0].timezone` from /location/search directly."
    },
    "longitude": {
      "type": "number",
      "example": -74.006,
      "maximum": 180,
      "minimum": -180,
      "description": "Birth location longitude in decimal degrees (-180 to 180). Positive = East, negative = West."
    },
    "houseSystem": {
      "enum": [
        "placidus",
        "whole-sign",
        "equal",
        "koch"
      ],
      "type": "string",
      "default": "placidus",
      "example": "placidus",
      "description": "House system for dividing the chart into 12 houses. Placidus (default) is most popular in Western astrology and time-sensitive. Whole Sign assigns one sign per house (simpler, ancient). Equal houses divide chart into 30° segments from Ascendant. Koch emphasizes houses in high latitudes."
    }
  }
}

What this tool wraps· 1 endpoint

min confidence0.700.50

Parent server

Western Astrology MCP Server by RoxyAPI

1/7 registries
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post_astrology_natal_chart — Western Astrology MCP Server by RoxyAPI — PRSM MCP