Shipping Rates & Postage Calculator
com.onlineshippingcalculator/shipping-rates
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-05.
What we measured
| Endpoint | https://onlineshippingcalculator.com/api/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (253 ms) | our check, 2026-10-05 |
| Protocol version | 2025-06-18 | our check, 2026-10-05 |
| Tools (2) | get_shipping_rates, get_postage_price | tools/list, 2026-10-05 |
| Registry version | 1.0.0 · active · updated 2026-06-12 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http shipping-rates https://onlineshippingcalculator.com/api/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.onlineshippingcalculator/shipping-rates.