PaperAgent — Send Physical Mail
mcp remote · streamable-http · v0.1.0 · source: crawl
https://paperagent.dev/mcp
Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.
Works
100
Verified Oct 31, 2026 · p50 521 ms · p95 593 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'paperagent' |
| tools_listed | 15 | pass | 8 tools |
| schema_complete | 15 | pass | 8 of 8 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 521 ms |
| latency_p95 | 5 | pass | p95 593 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (8)
| Name | Description | Schema |
|---|---|---|
get_pricing | Return the published price list for mailing physical letters through USPS: the products on sale, what each one costs, how many pages it covers, and when sales tax applies. Amounts are in US cents. Eve | typed |
validate_address | Check a US postal address and return it in the normalized form the envelope will be printed with, plus any warnings. The address is checked against the Google Address Validation service, which receive | typed |
create_draft | Create a draft of a physical letter to be printed on paper and mailed through USPS, and return its draft_id, page count and total price. A letter is at most 6 printed pages, at the same price whatever | typed |
update_draft | Change the recipient, body, tier or colour of a draft that has not been sent, and re-price it. Returns a new page count and a new quote, so the previous total is void — state the new total to the user | typed |
preview_draft | Return a link to the rendered PDF of a draft together with its page count and current total price. Refreshes the stored price quote when pricing has changed. Use this to show the user exactly what wil | typed |
send_letter | Create an order for a real, physical letter through the United States Postal Service. It returns a payment link; no paper is printed, postage is bought, or letter is mailed until payment completes. Us | typed |
get_letter_status | Return the current state of one letter: where it is, the date it goes to USPS, and the estimated delivery date. USPS does not scan plain First-Class letters at delivery, so a Standard letter ends at a | typed |
list_letters | Return this account's letters, newest first, with the status, mail date and total for each. Use this to answer questions about what has already been sent. This creates nothing, changes nothing and mai | typed |
Badge
Paste into your README. It updates on every verification.
[](https://app.agent-xm.com/a/dev-paperagent-letters)
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