MCP server

80% Silver Melt Calculator

com.80percentsilver/silver-melt

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Live junk silver and gold melt value calculator: spot price, coins, sterling. USD/CAD.

Working at last checkVerified publisher: 80percentsilver.comAbout 949 tokens per request once connected3 tools

https://80percentsilver.com/mcp

At a glance

Type: MCP server
Publisher: 80percentsilver.com (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 949 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http silver-melt https://80percentsilver.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add silver-melt https://80percentsilver.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"silver-melt","server_url":"https://80percentsilver.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"silver-melt","server_url":"https://80percentsilver.com/mcp"}

calculate_coin_melt ~533 tokens
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. Provide the coin typ
calculate_melt_value ~291 tokens
Calculate the melt value (intrinsic bullion value) of silver or gold from weight and purity — e.g. sterling silver flatware, .999 rounds, scrap gold. Returns melt value in both USD and CAD plus the fine metal weight. Purity is a fraction: 0.925 = sterling, 0.999 = fine silver, 0.9 = US coin silver.
get_spot_price ~125 tokens
Get the current spot price of silver and gold in USD and CAD per troy ounce. Use this to answer questions about the silver spot price, gold spot price, or the USD→CAD exchange rate used for melt value calculations. Prices are live, cached up to 15 minutes. All prices are per troy ounce (ozt).

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