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Shipping Rates & Postage Calculator

Official registry E-commerce

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http shipping-rates-postage-calculator 'https://onlineshippingcalculator.com/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "shipping-rates-postage-calculator": {
            "type": "http",
            "url": "https://onlineshippingcalculator.com/api/mcp"
        }
    }
}

Frequently asked questions

What is Shipping Rates & Postage Calculator?

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

How do I install Shipping Rates & Postage Calculator?

It runs as a remote server. In Claude Code: claude mcp add --transport http shipping-rates-postage-calculator 'https://onlineshippingcalculator.com/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Shipping Rates & Postage Calculator need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Shipping Rates & Postage Calculator?

It is published by com.onlineshippingcalculator. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.