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Yarrow

io.github.shaozhengkun123/yarrow · v0.1.0

I-Ching (周易) oracle: cast a hexagram, read classical commentary, get a reflection. Bilingual.

Connect Remote server

Terminal
claude mcp add --transport http yarrow https://yarrow-oracle.shaozhengkun.workers.dev/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "yarrow": {
      "url": "https://yarrow-oracle.shaozhengkun.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "yarrow": {
      "type": "http",
      "url": "https://yarrow-oracle.shaozhengkun.workers.dev/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://yarrow-oracle.shaozhengkun.workers.dev/mcp

Tools 7 found in our last check

  • cast_hexagram

    Cast a hexagram for an I-Ching consultation. Returns the primary hexagram, the six lines (6=old yin, 7=young yang, 8=young yin, 9=old yang from bottom to top), any moving lines, and the changing hexagram if there are moving lines. Pass `seed` to make the cast deterministic (usef…

  • lookup_hexagram

    Return the full classical sources for a hexagram by its number (1–64): judgment (卦辞), image (大象), Tuan commentary, Zhu Xi 周易本义, Yang Tian Cai modern explanation, Yarrow's separately labelled Chinese reading aid, and historical anecdote — with available Chinese and English source…

  • lookup_yilin

    Look up the 焦氏易林 verse for a primary hexagram changing into another hexagram. This is a local classical-source lookup, not an AI reading.

  • cast_tarot

    Draw one upright Major Arcana card for reflection. Uses a deterministic one-card Waite-Smith Major Arcana method and returns a selected source excerpt from Arthur Edward Waite's public-domain 1910/1922 text. Pass `seed` to reproduce the same draw.

  • divine

    Ask the I Ching. See your next step. Cast a hexagram, show the classical sources first, then offer a thoughtful reflection grounded in those sources. Sources first. Reflection, not prediction. The divine name remains stable for oracle/divination client compatibility. Supports En…

  • tarot_reading

    Ask one real question through a single upright Waite-Smith Major Arcana card. Returns a direct calibrated answer first, the named card and bound Arthur Edward Waite 1910 source excerpt, a practical reality check, and one observable next step. No reversals, astrology, redraw loop…

  • two_lenses

    Bring one real question to two independent symbolic traditions: a source-first I-Ching cast and one upright Waite-Smith Major Arcana card. Returns a clear calibrated answer first, then five grounded sections covering the I Ching lens, Tarot lens, shared themes, different emphasi…

Details

Endpointhttps://yarrow-oracle.shaozhengkun.workers.dev/mcp (Streamable HTTP)
First published26 May 2026
Last updated26 May 2026
Registry nameio.github.shaozhengkun123/yarrow

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