INDIVIDUAL MCP TOOL

calculate_coin_melt

Calculate the melt value of junk silver coins (constitutional silver) at the current silver spot price: US 90% pre-1965 dimes/quarters/halves/dollars, US 40% Kennedy halves (1965–1970), US 35% war nickels (1942–1945), Canadian 80% (1920–1966/67) and Canadian 50% (1967–68) coins.

80percentsilver.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://80percentsilver.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for calculate_coin_melt and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

80percentsilver.com

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.silver-melt-calculator]
url = "https://80percentsilver.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "silver-melt-calculator": {
      "type": "http",
      "url": "https://80percentsilver.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: silver-melt-calculator
Remote MCP URL: https://80percentsilver.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "silver-melt-calculator": {
      "url": "https://80percentsilver.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "silver-melt-calculator": {
      "type": "http",
      "url": "https://80percentsilver.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "silver-melt-calculator",
  "transport": "streamable-http",
  "url": "https://80percentsilver.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

get_spot_price — Get the current spot price of silver and gold in USD and CAD per troy ounce.
calculate_melt_value — Calculate the melt value (intrinsic bullion value) of silver or gold from weight and purity — e.