Auspice BaZi — Four Pillars Chart

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Cast a BaZi (Four Pillars) chart with true solar time, plus a reflective personality sketch.

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https://auspiceoracle.com/mcp/bazi

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cast_chart Read-only

Cast a BaZi / Four Pillars chart the right way round: true solar time correction FIRST (DST + longitude + equation of time), then the four pillars with hidden stems and Na Yin, day master identity, and luck cycles. Also casts a comparison chart from raw clock time and reports exactly what calculators that skip the correction would get wrong for this birth. Returns a formatted scroll. If your client renders the chart card (widget) for the user, do NOT repeat the chart, pillars or link in text — add only a short plain-language walkthrough. Otherwise begin your reply with the scroll EXACTLY as returned, inside a code block, without redrawing or reformatting it; NEVER show the raw JSON / structured data to the user (the scroll is the display form); add your own walkthrough only after it. Runs on the production Auspice Oracle engine (same conventions as auspiceoracle.com/en/method). Facts only: no strength verdicts, no favorable elements, no interpretation. Deterministic.

dayinteger, required

Birth day of month, 1–31

hourinteger, required

Recorded wall-clock hour, 24-hour format

yearinteger, required

Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)

monthinteger, required

Birth month, 1–12

genderstring, required

Sets luck-cycle direction (a charting convention, not an identity statement)

minuteinteger, required

Recorded wall-clock minute, 0–59

timeZonestring, required

IANA time zone of the birthplace, e.g. 'Asia/Shanghai', 'America/Vancouver'

longitudenumber, required

Birthplace longitude in degrees, east positive (Beijing ≈ 116.4, Vancouver ≈ -123.1)

langstring

Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'.

Try it

Call this server's tools from your browser. Nothing to install.

https://auspiceoracle.com/mcp/bazi

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

cast_chart Read-only

dayinteger, required

Birth day of month, 1–31

hourinteger, required

Recorded wall-clock hour, 24-hour format

yearinteger, required

Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)

monthinteger, required

Birth month, 1–12

genderstring, required

Sets luck-cycle direction (a charting convention, not an identity statement)

minuteinteger, required

Recorded wall-clock minute, 0–59

timeZonestring, required

IANA time zone of the birthplace, e.g. 'Asia/Shanghai', 'America/Vancouver'

longitudenumber, required

Birthplace longitude in degrees, east positive (Beijing ≈ 116.4, Vancouver ≈ -123.1)

langstring

Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'.

Tools (3)

cast_chart

read-only

Argument	Type	Description
day*	integer	Birth day of month, 1–31
hour*	integer	Recorded wall-clock hour, 24-hour format
lang	string	Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'.
year*	integer	Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)
month*	integer	Birth month, 1–12
gender*	string	Sets luck-cycle direction (a charting convention, not an identity statement)
minute*	integer	Recorded wall-clock minute, 0–59
timeZone*	string	IANA time zone of the birthplace, e.g. 'Asia/Shanghai', 'America/Vancouver'
longitude*	number	Birthplace longitude in degrees, east positive (Beijing ≈ 116.4, Vancouver ≈ -123.1)

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "year",
    "month",
    "day",
    "hour",
    "minute",
    "timeZone",
    "longitude",
    "gender"
  ],
  "properties": {
    "day": {
      "type": "integer",
      "maximum": 31,
      "minimum": 1,
      "description": "Birth day of month, 1–31"
    },
    "hour": {
      "type": "integer",
      "maximum": 23,
      "minimum": 0,
      "description": "Recorded wall-clock hour, 24-hour format"
    },
    "lang": {
      "enum": [
        "en",
        "zh"
      ],
      "type": "string",
      "description": "Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'."
    },
    "year": {
      "type": "integer",
      "maximum": 2100,
      "minimum": 1900,
      "description": "Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)"
    },
    "month": {
      "type": "integer",
      "maximum": 12,
      "minimum": 1,
      "description": "Birth month, 1–12"
    },
    "gender": {
      "enum": [
        "male",
        "female"
      ],
      "type": "string",
      "description": "Sets luck-cycle direction (a charting convention, not an identity statement)"
    },
    "minute": {
      "type": "integer",
      "maximum": 59,
      "minimum": 0,
      "description": "Recorded wall-clock minute, 0–59"
    },
    "timeZone": {
      "type": "string",
      "description": "IANA time zone of the birthplace, e.g. 'Asia/Shanghai', 'America/Vancouver'"
    },
    "longitude": {
      "type": "number",
      "maximum": 180,
      "minimum": -180,
      "description": "Birthplace longitude in degrees, east positive (Beijing ≈ 116.4, Vancouver ≈ -123.1)"
    }
  }
}

compose_sketch

Step 2 of 2 for a personality sketch: submit the three sections you wrote after personality_sketch (image / beneath / practice, in the same lang) and receive the finished framed sheet — the fixed MIRROR line, limits, quotation, link and signature are assembled server-side. Present the returned sheet to the user VERBATIM as your reply; do not edit or add to it (if your client renders the sheet card for the user, do not repeat it in text — say nothing more than a one-line closing). Rejects fills that stray into forbidden territory (Ten Gods, strength, favorable elements, luck cycles) — rewrite and resubmit if that happens.

read-only

Argument	Type	Description
day*	integer	Birth day of month, 1–31
hour*	integer	Recorded wall-clock hour, 24-hour format
lang	string	Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'.
year*	integer	Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)
image*	string	Your 象 section: the day-master image, two or three sentences
month*	integer	Birth month, 1–12

personality_sketch

Step 1 of 2 for a personality sketch. Casts the chart and returns the chart facts plus a fill-in template (象 image / 里 beneath / 行 practice) for YOU, the assistant, to write — a short literary sketch grounded only in the returned facts, within the stated limits (no strength verdict, no favorable elements, no Ten Gods, no luck-cycle reading). Step 2: pass your three texts to compose_sketch and present its framed sheet verbatim. Deterministic facts; the prose is yours; the framing is the server’s.

read-only

Argument	Type	Description
day*	integer	Birth day of month, 1–31
hour*	integer	Recorded wall-clock hour, 24-hour format
lang	string	Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'.
year*	integer	Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)
month*	integer	Birth month, 1–12
minute*	integer	Recorded wall-clock minute, 0–59
timeZone*	string

{ "type": "object", "$schema": "http://json-schema.org/draft-07/schema#", "required": [ "year", "month", "day", "hour", "minute", "timeZone", "longitude", "image", "beneath", "practice" ], "properties": { "day": { "type": "integer", "maximum": 31, "minimum": 1, "description": "Birth day of month, 1–31" }, "hour": { "type": "integer", "maximum": 23, "minimum": 0, "description": "Recorded wall-clock hour, 24-hour format" }, "lang": { "enum": [ "en", "zh" ], "type": "string", "description": "Language of the rendered output — pass the language the user is conversing in. Defaults to 'en'." }, "year": { "type": "integer", "maximum": 2100, "minimum": 1900, "description": "Birth year, Gregorian calendar (engine ephemeris covers 1900–2100)" }, "image": { "type": "string", "maxLength": 600, "minLength": 10, "description": "Your 象 section: the day-master image, two or three sentences" }, "month": { "type": "integer", "maximum": 12, "minimum": 1, "description": "Birth month, 1–12" }, "minute": { "type": "integer", "maximum": 59, "minimum": 0, "description": "Recorded wall-clock minute, 0–59" }, "beneath": { "type": "string", "maxLength": 400, "minLength": 10, "description": "Your 里 section: one visible-vs-hidden-stems contrast, one sentence" }, "practice": { "type": "string", "maxLength": 160, "minLength": 4, "description": "Your 行 section: one small self-observation to try today, imperative" }, "timeZone": { "type": "string", "description": "IANA time zone of the birthplace, e.g. 'Asia/Shanghai', 'America/Vancouver'" }, "longitude": { "type": "number", "maximum": 180, "minimum": -180, "description": "Birthplace longitude in degrees, east positive (Beijing ≈ 116.4, Vancouver ≈ -123.1)" } } }