meihua

meihua is a skill for Claude Code, Codex from Mxm-sys/opencode-tianji. It costs 85 tokens per session (576 once invoked), scanned A, original, MIT.

A Meihua Yishu divination workflow, a traditional Chinese method that uses a question and a time or number to form and interpret a hexagram. It explains the hexagram in terms of the question asked.

In plain words
What is it for?
It helps with Meihua Yishu readings about topics such as money, relationships, travel, lost items, health, or legal matters. Jobs include forming a time-based hexagram and interpreting its changing lines.
Why use it?
It gives the agent a set process for collecting the question, forming the hexagram, and translating traditional terms into a plain conclusion. It keeps each reading focused on one matter.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/mxm-sys/opencode-tianji/meihua
Any agent
npx skills add Mxm-sys/opencode-tianji --skill meihua
Clone the repo
git clone --depth 1 https://github.com/Mxm-sys/opencode-tianji

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for meihua

README.md
[![agentmods](https://agentmods.dev/badge/skills/mxm-sys/opencode-tianji/meihua.svg)](https://agentmods.dev/skills/mxm-sys/opencode-tianji/meihua)
Your own site
<a href="https://agentmods.dev/skills/mxm-sys/opencode-tianji/meihua"><img src="https://agentmods.dev/badge/skills/mxm-sys/opencode-tianji/meihua.svg" alt="Measured on agentmods" height="20"></a>
Per session 85 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 576 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00085 $0.00576
Opus 5 $0.00043 $0.00288
Sonnet 5 $0.00017 $0.00115
Haiku 4.5 $0.00009 $0.00058

Measured 2d ago against content hash ff6169f7eee2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

meihua scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

templates/skills/meihua/SKILL.md · 34 lines

What it actually says

梅花易数体用断卦(轻量流程)

第 0 步:须知

一事一占,心中默念所问之事。用一两句话告知即可,不展开。

第 1 步:收集必要信息(question 工具)

  • 所问之事(必问):想测什么?分类参考:天时/人事/家宅/屋舍/婚姻/生产/饮食/求谋/求名/求财/交易/出行/行人/谒见/失物/疾病/官讼/坟墓。
  • 起卦依据:默认当前时间(时间起卦);或用户报出卦名+动爻直接断(跳过起卦)。

第 2 步:调用工具

  • 无卦:用 qigua method=time 时间起卦得卦名/动爻。
  • 有卦或已起卦:调用 meihua,传入:卦名、动爻、datetime、占事。

第 3 步:输出规范

  • 【卦象】本卦/变卦/互卦。
  • 【体用】体卦(代表自己)、用卦(代表对方/所问之事)及五行生克。先一句白话结论(吉/凶/中平/谨慎),如"体生用"→自己耗泄、"用克体"→受制。
  • 【断卦】每条术语(体卦/用卦/生克)紧跟白话翻译,结合所问之事落具体建议。
  • 【总结】纯白话一段,说清走向、最注意什么、建议怎么做。
  • 注明"仅供参考,现实决策请结合实际情况"。

参考资料

  • 体用断卦工具:opencode-tianji 插件提供 meihua 工具(十八类占断辞据包内 data/meihua.json)
  • 起卦工具:qigua(method=time 时间起卦 / coins 铜钱 / manual 指定)
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 34 lines · 85 tokens per session scan A ff6169f7eee2

Subscribe to this mod's changes

meihua is a skill published in the GitHub repository Mxm-sys/opencode-tianji (0 stars, last pushed 25d ago), licensed MIT. It adds 85 tokens to every session and 576 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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