yarrow

About yarrow

Use yarrow with your agent

claude mcp add --transport http yarrow https://yarrow-oracle.shaozhengkun.workers.dev/mcp

{
  "mcpServers": {
    "yarrow": {
      "url": "https://yarrow-oracle.shaozhengkun.workers.dev/mcp"
    }
  }
}

Frequently asked questions

What is yarrow?

yarrow is an MCP (Model Context Protocol) server by shaozhengkun123. I-Ching (周易) oracle: cast a hexagram, read classical commentary, get a reflection. Bilingual.

How do I connect yarrow to Claude, Cursor, or another MCP client?

yarrow is a remote MCP server — add its endpoint (https://yarrow-oracle.shaozhengkun.workers.dev/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is yarrow open source?

Yes — the source code is public at github.com/shaozhengkun123/yarrow.

Can AI agents pay to use yarrow?

Not yet through Loomal — yarrow is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.