Flesh and Blood Card Database MCP Server

A Model Context Protocol (MCP) server for searching and retrieving information about Flesh and Blood Trading Card Game (FAB TCG) cards. This server is deployed on Cloudflare Workers and provides tools for card search and print variation lookup.

CardVault API Migration Status

The official FAB card database has moved to cardvault.fabtcg.com and uses a new API host (api.cardvault.fabtcg.com).

• Analysis date: 2026-03-07
• Investigation + migration design: docs/cardvault-api-analysis.md
• Implementation status: search_fab_cards / get_fab_card_prints / get_card_detail / get_fab_products now use CardVault API (api.cardvault.fabtcg.com)

Features

This MCP server provides the following tools:

1. Card Search (search_fab_cards)

Search for Flesh and Blood cards by name. Returns detailed information about matching cards, including:

• Card ID and name
• Card images
• Card attributes (pitch, cost, power, defense)
• Card text and type information
• Links to the official card page

2. Print Variations Lookup (get_fab_card_prints)

Retrieve all print variations of a specific card using its card ID. Returns information such as:

• Print ID and associated card ID
• Print name and display name
• Print images (small, normal, large sizes)
• Layout information
• Finish types available

3. Product Catalog Lookup (get_fab_products)

Retrieve product groups shown on cardvault.fabtcg.com/products, including:

• Product group name and type
• Release dates
• Nested product entries (slug, language, printed date)
• Pagination metadata (next, previous, nextPage, previousPage)

Deployment

This project is designed to be deployed on Cloudflare Workers.

Prerequisites

• Node.js and npm installed
• Cloudflare account
• Wrangler CLI installed (npm install -g wrangler)

Deployment Steps

1. Clone this repository:

   git clone <repository-url>
   cd fab-card-db-mcp

1. Install dependencies:

   npm install

1. Authenticate with Cloudflare:

   wrangler login

1. Deploy to Cloudflare Workers:

   wrangler deploy

The server will be deployed to the domain configured in wrangler.jsonc (currently fab-card-db-mcp.discord.jp).

Using the MCP Server

Endpoints

The server exposes two main endpoints:

• /sse or /sse/message - SSE-based MCP endpoint
• /mcp - Regular MCP endpoint

Example Usage

When connected to an MCP client, you can use the provided tools as follows:

#### Card Search Example

// Using the search_fab_cards tool
const searchResults = await use_mcp_tool({
  server_name: "Flesh and Blood Card Search API",
  tool_name: "search_fab_cards",
  arguments: {
    query: "Awakening"
  }
});

// Results will contain card information matching the search query

#### Print Variations Example

// Using the get_fab_card_prints tool
const printVariations = await use_mcp_tool({
  server_name: "Flesh and Blood Card Search API",
  tool_name: "get_fab_card_prints",
  arguments: {
    cardId: "CARD_ID_HERE" // Replace with an actual card ID from search results
  }
});

// Results will contain all print variations for the specified card

Connecting with MCP Clients

Claude Desktop

To connect this MCP server to Claude Desktop:

1. Go to Settings > Developer > Edit Config in Claude Desktop
2. Update the configuration with:

{
  "mcpServers": {
    "fab-cards": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://fab-card-db-mcp.discord.jp/sse"  // Or your deployed URL
      ]
    }
  }
}

1. Restart Claude Desktop to access the FAB card search tools

Other MCP Clients

For other MCP clients, configure them to connect to:

• https://fab-card-db-mcp.discord.jp/sse (for SSE-based connections)
• https://fab-card-db-mcp.discord.jp/mcp (for regular MCP connections)

License

See the LICENSE file for details.