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ExactMelt MCP app

ExactMelt MCP app

ExactMelt MCP app

ExactMelt values metals and coins inside ChatGPT, Claude and other MCP clients. Enter weight, purity, quantity or rolls, compare a buyer's offer, exchange gold and silver, or build a mixed worksheet. Every result links to a prefilled PDF report on exactmelt.com.

This repository documents the hosted connector. It does not contain the website or its code.

Connect

  • Endpoint: https://exactmelt.com/api/mcp

  • Transport: Streamable HTTP

  • Authentication: none (no account, sign-in or API key)

{ "mcpServers": { "exactmelt": { "url": "https://exactmelt.com/api/mcp" } } }

In ChatGPT, add it as a custom app/connector with no authentication. In Claude, open Customize → Connectors → Add custom connector and enter the URL.

Related MCP server: gold-mcp

Tools

All tools are read-only.

Tool

What it does

calculate_melt_value

Precious-metal melt value, fine content, unit rates and an optional buyer-offer comparison

calculate_coin_value

Coin melt value and fine-metal content by quantity, standard rolls or measured grams

find_coins

Coin presets with issue years, specifications and current melt value per coin

get_coin

One coin preset with its specifications and a quantity-one melt calculation

calculate_exchange

Gold-to-silver or silver-to-gold exchange weight at current quotes

calculate_penny_nickel

Penny or nickel alloy metal value at the base-metal prices you enter

Try asking

  • "What's my 14K ring worth, 5.2 grams?"

  • "Calculate the melt value of 10 Morgan dollars."

  • "Exchange 1 troy ounce of gold for silver at current spot."

Report an issue

Open an issue in this repository or email abishop1933@gmail.com.

License

The documentation files in this repository are MIT licensed (see LICENSE). The ExactMelt website, its content, data and brand are not covered by this license.

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