WatchBase MCP Server

An MCP (Model Context Protocol) server providing access to the WatchBase Data Feed API for querying comprehensive watch metadata.

What is WatchBase?

WatchBase is a comprehensive watch database containing detailed information about luxury watches, including:

280+ brands (Rolex, Patek Philippe, Audemars Piguet, etc.)
Thousands of watch families/collections
Technical specifications (case size, movement, complications, etc.)
Reference numbers for precise identification

Features

This MCP server provides 6 tools for querying the WatchBase API:

Tool	Description	Required Params
`search`	Search by brand, family, watch name, or reference number (whole words)	`q`
`search_refnr`	Search by reference number (partial matches allowed)	`q`
`list_brands`	Get all watch brands in the database	—
`list_families`	Get all families/collections for a brand	`brand_id`
`list_watches`	Get watches for a brand/family (with optional date filter)	`brand_id`
`get_watch_details`	Get full specifications for a specific watch	`id`

Prerequisites

Node.js 18+ (including Node.js 25)
WatchBase API Key — Request access here

Quick Start

1. Clone and Install

git clone https://github.com/watchdealer-pavel/watchbase-mcp-server.git
cd watchbase-mcp-server
npm install

2. Configure Your MCP Client

Add to your MCP client configuration:

Claude Desktop (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "watchbase": {
      "command": "node",
      "args": ["/path/to/watchbase-mcp-server/build/index.js"],
      "env": {
        "WATCHBASE_API_KEY": "your-api-key-here"
      }
    }
  }
}

Claude Code (.mcp.json in your project):

{
  "mcpServers": {
    "watchbase": {
      "command": "node",
      "args": ["/path/to/watchbase-mcp-server/build/index.js"],
      "env": {
        "WATCHBASE_API_KEY": "your-api-key-here"
      }
    }
  }
}

3. Restart Your MCP Client

Restart Claude Desktop or Claude Code to load the new MCP server.

Usage Examples

Search for a Watch

Search for "Royal Oak" watches
→ Uses: search tool with q="Royal Oak"

Search by Reference Number

Find watches with reference number starting with "15500"
→ Uses: search_refnr tool with q="15500"

Browse Brands and Families

List all Rolex families
→ Uses: list_brands to find Rolex ID, then list_families with brand_id

Get Watch Specifications

Get full details for watch ID 12345
→ Uses: get_watch_details tool with id=12345

API Response Examples

Brand Object

{
  "id": 59,
  "name": "Audemars Piguet"
}

Watch List Response

{
  "id": 11702,
  "refnr": "15500ST.OO.1220ST.01",
  "name": "Royal Oak",
  "brand": { "id": 59, "name": "Audemars Piguet" },
  "family": { "id": 234, "name": "Royal Oak" },
  "thumb": "https://cdn.watchbase.com/watch/medium/...",
  "updated": "2024-01-15"
}

Watch Details Response

Includes all fields plus:

caliber — Movement details
case — Case specifications
dial — Dial information
added, modified, published — Metadata dates

For Watch Dealers

This MCP server is perfect for:

Inventory Management — Look up reference numbers and specifications
Price Research — Get detailed specs to compare with market prices
Authentication — Verify reference numbers and specifications
Content Creation — Generate accurate watch descriptions
Customer Service — Quickly answer questions about any watch

Typical Workflow

Search by reference number — search_refnr with partial ref
Get watch ID from search results
Fetch full details — get_watch_details with ID
Use specifications for listings, comparisons, or research

Incremental Sync for Large Inventories

Use list_watches with updated_since parameter to sync only changed records:

list_watches with brand_id=59, updated_since="2024-01-01"
→ Returns only watches updated after Jan 1, 2024

API Documentation

See watchbase_api_reference.md for detailed API documentation.

Development

# Watch mode (auto-rebuild on changes)
npm run dev

# Manual build
npm run build

# Run the server directly
npm start

Troubleshooting

"WATCHBASE_API_KEY environment variable is required"

Make sure you've added the WATCHBASE_API_KEY to your MCP client's env configuration.

"WatchBase API error: Invalid or unauthorized API key"

Your API key may be invalid or expired. Contact WatchBase support.

Server not appearing in Claude

Check the path to build/index.js is correct
Restart Claude Desktop/Code
Check logs for connection errors

License

MIT License — see LICENSE file.

Note: This MCP server is an independent project. Please refer to WatchBase Terms of Service for API usage policies.

WatchBase