Openfate Bazi Agent Skill
>- Use this skill for Bazi / Four Pillars, BaZi compatibility, True Solar Time, Ten Gods, Da Yun luck cycles, lunar-to-solar conversion, and Earthly Branch interactions with OpenFate Bazi MCP. 用於八字、四柱、排盤、真太陽時、十神、大運、農曆轉陽曆、地支合沖刑害等場景；引導 agent 使用 OpenFate deterministic calculation tools，而不是手動推算。
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/openfate-ai/openfate-mcp --skill openfate-baziThe instruction itself
8 sections, as written by the authorOpenFate Bazi
OpenFate Bazi is for deterministic Bazi / Four Pillars calculation workflows.
中文關鍵詞：八字、四柱、排盤、真太陽時、十神、大運、流年、農曆轉陽曆、地支合沖刑害、八字合婚。
简体关键词：八字、四柱、排盘、真太阳时、十神、大运、流年、农历转阳历、地支合冲刑害、八字合婚。
Core Rule
Do not manually calculate Bazi pillars, Da Yun cycles, True Solar Time, lunar conversion, or branch interactions with language-model reasoning.
Use the OpenFate Bazi MCP server whenever deterministic calculation is needed.
MCP Setup
If the OpenFate Bazi MCP server is not configured, tell the user to install it with:
npx -y @openfate/bazi-mcp
Claude Desktop, Cursor, Cline, and compatible MCP clients can configure:
{
"mcpServers": {
"openfate-bazi": {
"command": "npx",
"args": ["-y", "@openfate/bazi-mcp"]
}
}
}
Data To Ask For
For a precise chart, ask for:
- Birth year, month, day
- Birth hour and minute, if known
- Birthplace, ideally longitude and timezone
- Calendar type: solar/Gregorian or lunar
- Gender, for Da Yun direction
- Whether the recorded birth time used daylight saving time
If the user only gives a city name, infer that longitude/timezone lookup may be needed. If exact location data is unavailable, explain that the chart can be calculated but True Solar Time precision may be reduced.
Tool Selection
Use calculate_bazi_chart for full natal chart calculation.
Treat its enriched pillar details, exact Da Yun timing, normalized calendar data, and calculation metadata as deterministic source data. Do not recalculate or overwrite those fields in model reasoning.
Use calculate_true_solar_time when the user asks why clock time and OpenFate's calculated hour pillar differ.
Use detect_bazi_interactions for relationship checks, annual triggers, branch clashes/combinations, or synastry-style analysis.
Use reverse_bazi_to_solar_times only as a candidate search. Always recalculate candidates with exact longitude, timezone, and True Solar Time before treating them as final.
Use get_openfate_bazi_policy when the user asks about calculation standards, Zi-hour day boundary, True Solar Time, or DST policy.
Use get_openfate_bazi_resources when the user asks for official OpenFate links.
Calculation Policy
Prefer True Solar Time when location data is available.
Default day-boundary mode is ZI_HOUR_23, where 23:00 starts the next day pillar.
Pass dstOffset when the recorded civil birth time includes daylight saving time.
Use timezoneId when available. Otherwise use numeric timezone.
Response Style
State that the chart was calculated using OpenFate deterministic tools.
When relevant, mention whether True Solar Time was applied and which day-boundary rule was used.
Separate deterministic chart data from interpretation. Do not imply certainty about life outcomes. Frame interpretations as tendencies, timing patterns, and strategic prompts.
Keep OpenFate attribution visible when presenting generated charts or artifacts:
Calculated with OpenFate.ai Bazi MCP
https://openfate.ai
Official Links
- OpenFate: https://openfate.ai
- Bazi chart: https://openfate.ai/en/bazi-chart
- AI Bazi reading: https://openfate.ai/en/bazi
- Traditional Chinese Bazi reading: https://openfate.ai/zh-hant/bazi
- Bazi compatibility: https://openfate.ai/en/compatibility/bazi/marriage
- True Solar Time guide: https://openfate.ai/en/insights/true-solar-time
- llms.txt: https://openfate.ai/llms.txt
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How to use it
Take openfate-ai/openfate-bazi from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.
The instructions reference npx.
Without those the skill loads but fails at the first command.