How accurate is the gemstone weight estimation?

The `estimate_gemstone_weight` tool uses shape-specific multipliers and the specific gravity of the material to provide a deterministic estimate of the carat weight.

Can I calculate the value of my gold?

Yes, by using `calculate_metal_melt_value`, you can determine the USD value of a metal weight based on its karat and the current spot price per troy ounce.

How do I mix metals for a specific karat?

The `calculate_alloy_composition` tool calculates the exact amount of two source metals required to achieve your target karat and total weight.

Gemology Carat & Alloy Calculator MCP Connector for Claude

A+

Calculate gemstone carat weight and precious metal alloy compositions.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides precise tools for gemologists and jewelers. Use estimate_gemstone_weight to determine the estimated carat weight of a stone using its dimensions and specific gravity. Use calculate_alloy_composition to find the exact gram weights of source metals needed to reach a target karat. Finally, use calculate_metal_melt_value to find the current market value of precious metals based on spot prices.

gemstonecaratgoldalloyjewelry-design

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_I50XXLlGJgdrko1EP8iyvOEY13MyCnnqKsPySqzJ/mcp

② Claude Code (terminal)

claude mcp add --transport http gemology-carat-alloy-calculator https://edge.vinkius.com/vk_preview_I50XXLlGJgdrko1EP8iyvOEY13MyCnnqKsPySqzJ/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "gemology-carat-alloy-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_I50XXLlGJgdrko1EP8iyvOEY13MyCnnqKsPySqzJ/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.

Details

Tools: 3
Grade: A+
Score: 100/100
Updated: Oct 1, 2026

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