Metal Price MCP Server

An MCP server that provides current and historical gold/precious metal prices via the GoldAPI.io service.

Features

• Get current prices for gold (XAU), silver (XAG), platinum (XPT), and palladium (XPD)

• Support for multiple currencies (USD, EUR, etc.)

• Optional historical price lookup by date

Related MCP server: Frankfurter Forex MCP

Requirements

• Python 3.7+

• Packages:

  • mcp>=1.0.0

  • requests>=2.31.0

Setup

1. Clone this repository

2. Install dependencies:

   pip install -r requirements.txt

3. Set your GoldAPI.io API key as an environment variable:

   export GOLDAPI_API_KEY="your_api_key_here"

   (Windows users: use set instead of export)

Usage

The server provides one MCP tool:

Installation

This server is designed to be installed manually by adding its configuration to the cline_mcp_settings.json file.

1. Add the following entry to the mcpServers object in your cline_mcp_settings.json file:

"mcp_metal_price": {
  "args": [
    "/c",
    "python",
    "-m",
    "mcp_metal_price"
  ],
  "env": {
    "GOLDAPI_API_KEY": "Your GOLDAPI_API_KEY"
  }
}

get_gold_price

Get current or historical metal prices.

Parameters:

• currency (string, default: "USD"): Currency code (ISO 4217 format)

• metal (string, default: "XAU"): Metal symbol (XAU, XAG, XPT, XPD)

• date (string, optional): Historical date in YYYYMMDD format

Example Usage:

{
  "currency": "EUR",
  "metal": "XAU"
}

Running the Server

Start the server with:

python src/server.py

Using with MCP Clients

Once the server is running, you can connect to it from MCP clients like Cline or Claude.

Connecting to the Server

The server runs on stdio by default. In your MCP client, you can connect using:

cmd /c python src/server.py

Using the get_gold_price Tool

Example tool usage in Cline/Claude:

<use_mcp_tool>
<server_name>gold-price</server_name>
<tool_name>get_gold_price</tool_name>
<arguments>
{
  "currency": "USD",
  "metal": "XAU"
}
</arguments>
</use_mcp_tool>

Response Format

The server returns price data in JSON format:

{
  "timestamp": 1713600000,
  "metal": "XAU",
  "currency": "USD",
  "price": 2345.67,
  "unit": "per troy ounce"
}

License

This project is licensed under the terms of the MIT license. See LICENSE file for details.