Tell your AI what you need to say. Approve the letter and price. We print, stamp, and mail it through USPS.
For AI agents: Read and follow the MCP and REST integration instructions at https://paperagent.dev/llms.txt before using PaperAgent.
Mailed within one business day · US addresses only
Standard letter — 3 pages included · $7.00
Mailed within one business day
#10 envelope · sealed · in the next mailbag
$7
One flat price — 3 pages, printed, stamped, mailed
1 day
Printed and handed to USPS within one business day
Preview the letter as a PDF before it prints
stripe
Secure checkout — payments handled by Stripe, in the chat
COMMON REASONS
Practical checklists and copyable prompts for sending a real USPS letter from ChatGPT or Claude.
Like cancelling your gym membership — drafted, reviewed, and paid in the chat.
Laser-printed in NYC, sealed in a #10 envelope, into the USPS collection box within one business day.
“Where is it now?” — it fetches tracking, as far as USPS actually knows.
$7.00
We print and mail your letter with USPS First-Class Mail and keep you updated by email.
For everyday letters.
$19.00
We print and mail your letter with USPS Certified Mail. Includes tracking, email updates, and a signature collected on delivery.
Everything in Standard, plus:
For letters that need tracking and a signature.
Payments handled by stripe — charged only when you say yes.
Weekdays, excluding federal holidays. We promise induction, never a delivery date.
The PDF is rebuilt at print time and never kept. Your letter’s text is deleted 90 days after it is mailed.
Anything designed to look like official government or court mail, threats, and material we are not permitted to induct.
For MCP clients
{ "mcpServers": {
"paperagent": { "url": "https://paperagent.dev/mcp" }
} }then just ask — “Mail this cancellation letter to my gym.”
Mailed within one business day · US addresses only