MCP server exposing 3 tools for i-ching.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/i-ching/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}cast_i_ching — Cast an I Ching hexagram using the traditional three-coin method (default) or the classical yarrow-stalk method, per James Legge's 1899 translation. Generates six line values (6/7/8/9) with the method’s real probabilities (coins: 1/8, 3/8, 3/8, 1/8 for 6/7/8/9; yarrow: 1/16, 5/16, 7/16, 3/16), builds the primary hexagram, lists any changing lines with their texts, and derives the resulting hexagram (null when nothing changes). Pass `seed` back to replay the exact same cast. The hexagram and line texts are traditional meanings for the calling agent to interpret in light of its own question — this tool does not answer the question itself.get_hexagram — Look up one of the 64 I Ching hexagrams (King Wen sequence) by its number (1-64) or by name (Chinese, pinyin, or the English gloss used in this pack). Returns the full hexagram: binary lines, upper/lower trigram, judgment, image, all six line texts, and keywords, each in original wording referencing James Legge’s 1899 translation as the public-domain source.search_hexagrams — Search the 64 I Ching hexagrams (King Wen sequence) by a free-text query matched against name (Chinese, pinyin, English gloss) and keywords. Returns every matching hexagram as a short summary (number, names, binary lines); use get_hexagram for the full text of any match.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/i-ching/
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