Wenbu MCP Server

Free BaZi, I Ching, tarot and Zi Wei toolkit with an MCP Agent interface.

Utilities MIT license Added Oct 30, 2026 Hosted / remote ✓ Verified Oct 30 7 tools

Wenbu is a Utilities MCP (Model Context Protocol) server: Free BaZi, I Ching, tarot and Zi Wei toolkit with an MCP Agent interface. It is MIT-licensed and available as a hosted endpoint, so it works with no local install. It exposes 7 tools including calculate_bazi, cast_iching, draw_tarot, calculate_ziwei. Listed on MCP Collection since October 2026.

About Wenbu

Wenbu (问卜) is a free BaZi (Four Pillars), I Ching, 78-card tarot and Zi Wei toolkit. No account needed for full results; transparent methods; optional AI interpretation; MCP/CLI/Skills for structured chart data. Cultural exploration, not fate guarantees.

Source repo ↗ Homepage ↗

Wenbu tools (7)

Read from the live server on Oct 30, 2026. These are the tools your AI assistant can call once connected.

calculate_bazi: Calculate four pillars. Unknown time returns no hour pillar. Gregorian date, IANA timezone, explicit day boundary. No prediction.
cast_iching: Cast six three-coin lines or supply your own. Lines are ordered bottom to top, values 6/7/8/9. Returns original and changed King Wen hexagrams.
draw_tarot: Draw one or three cards from a full 78-card deck without replacement. Reversals optional. Symbolic reflection only.
calculate_ziwei: Calculate Zi Wei Dou Shu twelve palaces from an entered local civil date and known time. iztro default school, no solar-time correction. Sex is a traditional calculation parameter.
search_library: Search Wenbu original guides, symbols and curated reference metadata. This is a bounded catalogue, not a web search. Search snippets do not mean the source was read.
read_library: Read a complete Wenbu guide or symbol by search_library ID. Handbook guides return Markdown, outline and export links without truncation. Optionally provide a section ID from the outline; the returned scope makes partial reads explicit. A c
get_daily_card: Get a public daily reflection card and practice using the server calendar in an IANA timezone. No model, account, personal history or quota turn. Can differ from a personal browser/account card. Keep the returned result for follow-up.

How to connect Wenbu to Claude, Cursor or VS Code

Wenbu runs as a hosted remote MCP server at https://wenbu.app/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "wenbu": {
      "url": "https://wenbu.app/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http wenbu https://wenbu.app/mcp. Servers that require OAuth or an API key will prompt on first use.

Wenbu FAQ

What is Wenbu?

Wenbu is a Model Context Protocol (MCP) server in the Utilities category. Free BaZi, I Ching, tarot and Zi Wei toolkit with an MCP Agent interface. MCP servers expose tools that AI assistants like Claude can call during a conversation.

How do I use Wenbu with Claude or Cursor?

Is Wenbu free to use?

Wenbu is published under the MIT license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.

What tools does Wenbu provide?

Wenbu exposes 7 MCP tools: calculate_bazi, cast_iching, draw_tarot, calculate_ziwei, search_library, read_library, get_daily_card. This list is read from the live server (last verified Oct 30, 2026).

Is the Wenbu MCP server online?

Yes. MCP Collection checks the endpoint every day; it last answered on Oct 30, 2026.

Where is the source code for Wenbu?

The source is at github.com/wenbu-app/wenbu.

Skip the setup

Self-hosting means installs, configs, and upkeep. The Bundle is one hosted MCP server with a ready-made toolbox behind a single URL.

Get The Bundle →

One URL · one key · one bill. Founding pricing locked for life.

Maker of Wenbu?

Add the badge to your README or site.

[![Listed on MCP Collection](https://mcpcollection.com/badge/wenbu.svg)](https://mcpcollection.com/server/wenbu)