com.onlineshippingcalculator/shipping-rates · v1.0.0 · ecommerce
Shipping Rates & Postage Calculator is healthy: it completed an MCP handshake in 511 ms and exposes 2 tools.
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
Endpoint: https://onlineshippingcalculator.com/api/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 2 |
| Latency | 511 ms |
| Last checked (UTC) | 2026-10-17T05:55:32.727Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-17T05:55:32.727Z | Healthy | 511 | |
| 2026-10-15T23:00:14.412Z | Healthy | 1408 | |
| 2026-10-14T21:00:35.895Z | Healthy | 952 |
get_shipping_rates | Get live USPS, UPS, and FedEx shipping rates for a package from a US ZIP code to a US or international destination. Returns carrier, service, price in USD, and estimated transit days, sorted cheapest first. IMPORTANT: these are discounted rates for postage purchased online through shipping software |
get_postage_price | Get the current USPS First-Class postage price for a letter, large envelope (flat), or postcard mailed within the US — including how many Forever stamps to put on it and an exact combination of stamp denominations that covers the postage with no waste. Prices are zone-independent (same anywhere in t |