Finance & crypto · Official remote MCP server

The Shipping Rates & Postage Calculator MCP server,
connected in one click.

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key. Connect the official Shipping Rates & Postage Calculator MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect Shipping Rates & Postage Calculator free How it works

Free to start · No credit card · No hosting needed

Use this server

Add Shipping Rates & Postage Calculator to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http shipping-rates-postage-calculator https://onlineshippingcalculator.com/api/mcp

Run in your terminal, then restart Claude Code.

Shipping Rates & Postage Calculator · https://onlineshippingcalculator.com/api/mcp

What you can do

What your AI can do with Shipping Rates & Postage Calculator

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “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.”

“Use “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 Fo.”

Security check

How secure is the Shipping Rates & Postage Calculator MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Shipping Rates & Postage Calculator holds up.

✓ Verified directory serverShipping Rates & Postage Calculator · onlineshippingcalculator.com

Official endpoint

Operated by Shipping Rates & Postage Calculator (onlineshippingcalculator.com) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If Shipping Rates & Postage Calculator adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on Shipping Rates & Postage Calculator's server →

How it works

Connected in three steps

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

Pick Shipping Rates & Postage Calculator

Choose Shipping Rates & Postage Calculator in the gate directory. No sign-in needed.

Use it anywhere

Shipping Rates & Postage Calculator's tools are live in every AI client you've connected — with rules and logging built in.

Connect Shipping Rates & Postage Calculator free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools Shipping Rates & Postage Calculator exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

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

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 Fo

Author

Who runs the Shipping Rates & Postage Calculator MCP server?

onlineshippingcalculator.com

Homepage More servers from onlineshippingcalculator.com →

Own this server? Claim the listing →

Server facts

The Shipping Rates & Postage Calculator MCP server at a glance

Endpointhttps://onlineshippingcalculator.com/api/mcp

Operated byShipping Rates & Postage Calculator (onlineshippingcalculator.com)

CategoryFinance & crypto

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official Shipping Rates & Postage Calculator MCP server?

Yes — Shipping Rates & Postage Calculator operates its own remote MCP server at onlineshippingcalculator.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect Shipping Rates & Postage Calculator to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick Shipping Rates & Postage Calculator in the directory. No account or sign-in is needed. From then on, Shipping Rates & Postage Calculator's tools are available in every client you've connected to gate.

Do I need to host anything?

No. Shipping Rates & Postage Calculator runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the Shipping Rates & Postage Calculator MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.