Can ChatGPT mail a letter for you?
ChatGPT can write the letter, but on its own it cannot put paper in a mailbox. Add No Errands as a connector in ChatGPT (Settings, then Apps & Connectors, then Advanced, then Developer mode) and it can. ChatGPT checks the address, shows you the letter and the price, and mails it through USPS after your yes.
How to do it with No Errands
- Connect No Errands once. Add No Errands to Claude, ChatGPT or another MCP client with the address
https://api.noerrands.com/mcpand sign in with your email. The steps for each assistant are below. You do this once for every errand. - Add credits if you need them. A new account starts at $0.00. Ask your assistant to add credits and it gives you a checkout link. You pay in your own browser, never in the chat.
- Give it the letter and the addresses. Tell the assistant who the letter is for, their US address, your return address, and what to say. It can write the letter with you, use text you paste, or mail a PDF from a link.
- Check the address and the price. The assistant checks the address for free and gets the exact price before anything is printed.
- Approve it. It shows you the recipient, a summary of the letter and the price, then waits for your yes. Nothing is mailed until you say so.
- It is printed and mailed. The letter is printed, put in an envelope, stamped and handed to USPS. Ask the assistant for the status any time.
What to type
Once No Errands is connected, you can ask like this:
Write a thank-you letter to my former manager and mail it with No Errands to 8 River Rd, Boise ID 83702. Show me the price before you send.
The assistant checks first, shows you what it is about to do and the price, and waits for your yes.
What it costs
| Item | Price |
|---|---|
| Letter, first page, black and white | $2.49 |
| Each additional page | $0.30 |
| Color, per letter | $0.50 |
| Certified mail, extra | $9.50 |
| Address check and price quote | Free |
Every price is quoted before you approve. See full pricing.
Connect No Errands to your AI assistant
You do this once. One connection covers every errand, and the address is the same everywhere: https://api.noerrands.com/mcp.
- Claude: open Claude's connector settings and choose Add custom connector. Name it No Errands, paste
https://api.noerrands.com/mcp, click Add, then Connect. - ChatGPT: go to Settings, then Apps & Connectors, then Advanced, and turn on Developer mode. Create a connector with the address
https://api.noerrands.com/mcpand authentication set to OAuth. - Claude Code: run
claude mcp add --transport http errands https://api.noerrands.com/mcp, then type/mcpand sign in. - Cursor, Meta Muse and other MCP clients: add
https://api.noerrands.com/mcpas a streamable HTTP server and sign in, or get an API key and send it as a bearer token.
Signing in asks for your email and a 6-digit code we email you. Then choose Allow read and spend credits, or Allow read-only if you only want quotes and status. A new account starts at $0.00: ask your assistant to add credits and it gives you a checkout link to pay in your own browser.
Ready to try it? Connect No Errands to Claude, ChatGPT or any MCP client once, then ask in plain words. You approve every price before anything happens.
Questions people ask
Which ChatGPT plan do I need?
You need a ChatGPT account that can add a custom connector in developer mode. ChatGPT shows the option under Settings, then Apps & Connectors, then Advanced.
Does ChatGPT see my payment card?
No. You pay for credits on a checkout page in your own browser. ChatGPT only gets the link.
Can the assistant mail a letter without asking me?
No. It must check the address, get a price, show you the recipient, the content and the price, and get your explicit yes before every letter. A read-only connection cannot send at all.
Can I mail a letter outside the US?
Not yet. United States addresses only.
How do I pay?
With prepaid credits. You can buy $2.49 for a single letter, or $10.00 for $12.50 of credit (one free letter), $25.00 for $32.50 of credit (three free letters) and $50.00 for $67.50 of credit (seven free letters); every pack credits more than it costs, and credits never expire. Your assistant gives you a checkout link and you pay in your own browser.