MCP server

I Ching Hexagrams (The Hexagrams)

com.thehexagrams/iching

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Cast I Ching hexagrams with moving lines; classical + English judgments for all 64.

Working at last checkVerified publisher: thehexagrams.comAbout 385 tokens per request once connected3 tools

https://thehexagrams.com/mcp

At a glance

Type: MCP server
Publisher: thehexagrams.com (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 385 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http iching https://thehexagrams.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.iching]
url = "https://thehexagrams.com/mcp"

Gemini CLI

{"mcpServers":{"iching":{"httpUrl":"https://thehexagrams.com/mcp"}}}

Cursor

{"mcpServers":{"iching":{"url":"https://thehexagrams.com/mcp"}}}

VS Code

{"servers":{"iching":{"type":"http","url":"https://thehexagrams.com/mcp"}}}

Antigravity

agy mcp add iching https://thehexagrams.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"iching","server_url":"https://thehexagrams.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"iching","server_url":"https://thehexagrams.com/mcp"}

cast_hexagram ~171 tokens
Cast an I Ching (Yijing) hexagram with the classic three-coin method. Returns the primary hexagram (King Wen number, Chinese name, Unicode symbol), its judgment in classical Chinese with a public-domain English translation, a plain-language meaning, any moving (changing) lines, and the transformed h
get_hexagram ~154 tokens
Look up one of the 64 I Ching hexagrams by King Wen number (1-64), Chinese name, pinyin, or Wilhelm English name. Returns trigram composition, judgment (classical Chinese + Legge English translation), all six line texts, a plain-language meaning, and a link to the full page on thehexagrams.com.
list_hexagrams ~60 tokens
List all 64 I Ching hexagrams with King Wen numbers, Chinese names, pinyin, Wilhelm English names, and Unicode symbols.

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