Premier Letters
mcp remote · streamable-http · v1.0.0 · source: crawl
https://www.premierletters.com/api/mcp
Send real pen-written letters, cards and postcards: quote, preview, order and track by mail.
Works
100
Verified Oct 31, 2026 · p50 511 ms · p95 664 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 'premier-letters' |
| tools_listed | 15 | pass | 12 tools |
| schema_complete | 15 | pass | 12 of 12 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 511 ms |
| latency_p95 | 5 | pass | p95 664 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 (12)
| Name | Description | Schema |
|---|---|---|
check_connection | Check whether the user approved a connect_account request. Returns status pending, denied, expired or claimed, or, exactly once, status approved with the api_key. Poll every 10-30 seconds. | typed |
connect_account | Get a Premier Letters API key without the user copying one by hand. Pass the user's email and your name; we email them a link to approve (they can sign up from it if they have no account). Then call c | typed |
get_pricing | Get a live price quote for a Premier Letters order. Pass char_count (or letter_count for a rough estimate) plus optional mailing_option and paper_type to get a per-piece and total price, in cents. No | typed |
list_handwriting_styles | List available handwriting styles (fonts) for a letter order. Use the returned "id" as options.handwriting_style / handwriting_style when creating an order or previewing. | typed |
list_templates | List the authenticated user's saved letter templates. | typed |
verify_address | Verify and standardize a US mailing address via USPS. Use before create_order to catch typos and get the USPS-standardized form. | typed |
preview_letter | Render a preview of a handwritten letter (as an SVG image) and get its price, before creating an order. Does not save anything. | typed |
create_order | Create and pay for a Premier Letters order — a real, handwritten letter mailed via USPS. Requires a Premier Letters API key. Use get_pricing or preview_letter first to confirm the price. For payment, | typed |
get_order_status | Get an order's status, delivery/tracking summary, and per-recipient mail status. | typed |
list_orders | List the authenticated user's recent orders. | typed |
get_balance | Get the authenticated account's prepaid balance (balance_cents) and the top-up rules: minimum and maximum top-up, bonus tiers and suggested amounts. Orders paid with payment.method "balance" skip the | typed |
create_topup_link | Create a Stripe Checkout link that adds prepaid credit (plus any bonus tier) to the authenticated account. Give checkout_url to the human to pay in a browser; the balance updates once they pay (check | typed |
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[](https://app.agent-xm.com/a/com-premierletters-mcp)
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