Official MCP RegistryHosted serveronlineshippingcalculator.comv1.0.0
Shipping Rates & Postage Calculator
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
Connect to Claude Code
Copyclaude mcp add --transport http shipping-rates-postage-calculator https://onlineshippingcalculator.com/api/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://onlineshippingcalculator.com/api/mcpstreamable-http
Published in the official MCP registry as “com.onlineshippingcalculator/shipping-rates”. Verified through the vendor namespace.