The Gold Barometer MCP endpoint.
POST JSON-RPC (Model Context Protocol, Streamable HTTP) to /mcp. No key.
Tools: get_current_reading, get_reading_history, get_zone_record.
Local alternative: npx thegoldbarometer-mcp (npm). Data and method: https://thegoldbarometer.com/data/
Data licence CC BY 4.0, credit "The Gold Barometer, thegoldbarometer.com". A measurement, not advice.