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    Yi Jing Oracle

    by Aletheus

    Authentic Yi Jing oracle using the 50-stalk yarrow method and canonical corpus for grounded divination.

    Updated Apr 2026
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    ⚡ Also available via Agensi Pro — your AI agent can load this skill on demand via MCP. Learn more →

    Included in download

    • Cast hexagrams using authentic 50-stalk yarrow method probabilities.
    • Retrieve primary and changing line commentaries from the King Wen corpus.
    • terminal, file_read, env_vars automation included
    • Includes example output and usage patterns
    • Instant install

    See it in action

    Cast result: Hexagram 48 (The Well) changing to 5 (Waiting).
    Changing Lines: Nine at the beginning, Six in the second place.
    Ground Truth: "The Well. The town may be changed, but the well cannot be changed."
    Math: Stalks remaining for line 1: 24 (6), line 2: 32 (8).

    About This Skill

    Overview

    The Yi Jing Oracle is a high-fidelity Python implementation of the traditional 50-stalk yarrow method (蓍草法). Unlike simple random number generators or three-coin coin tosses, this skill emulates the authentic stochastic process and line-probability asymmetries (老陰, 少陽, 少陰, 老陽) defined in the 繫辭上傳 (Xici Zhuan).

    What it does

    This skill provides a suite of tools for authentic Chinese divination and scholarship. It performs the 18-step stochastic division process to cast hexagrams, looks up King Wen sequence data, and retrieves grounded source texts from the canonical corpus.

    • yijing_cast: Executes the full yarrow procedure using hardware entropy to generate primary and relating hexagrams.
    • yijing_lookup: Provides instant access to any of the 64 hexagrams by their traditional index.
    • Ground Truth: Returns the specific interpretive apparatus (卦辭, 彖, 大象, and 爻辭) relevant only to the current cast.
    • Trigram Tables: Accesses the 八卦 (Bagua) meanings, virtues, and familial roles.

    Why use this skill?

    For developers and users seeking an oracle that respects traditional epistemic claims, this skill bridges the gap between ancient ritual and modern computation. It treats divination as a structural snapshot of a situation. It is ideal for strategic reflection, philosophical inquiry, or any context where qualitative decision-making requires a non-linear perspective grounded in a coherent historical system.

    Use Cases

    • Cast hexagrams using authentic 50-stalk yarrow method probabilities.
    • Retrieve primary and changing line commentaries from the King Wen corpus.
    • Analyze situation dynamics through the traditional Eight Trigrams (八卦) table.
    • Access mathematical properties and source texts of the Xici Zhuan.

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    Security Scanned

    Passed automated security review

    Permissions

    Terminal / Shell
    Read Files
    Environment Variables
    Network Access

    Allowed Hosts

    https://mentatsguild.art/yijing/mcp

    Skill connects agent to publicly hosted MCP backend. Purchasers receive the opensource unpublished mcp backend with purchase of the skill file. Thanks for your support!

    Contains mcp client logic and connects to my public mcp server.

    Creator

    I'm a decently tech savvy artist poet and philosopher, and I'm currently vibe coding computational philosophy, automated rich inference generation for image diffusion models and toy counterfactual historical author-agents.

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    $19

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