---
title: "Postmarkr"
canonical: https://penguindriver.com/s/com.postmarkr%2Fletters
markdown: https://penguindriver.com/s/com.postmarkr%2Fletters.md
retrieved: 2026-11-04
language: zh-Hant-TW
content_sha256: 8a971605de7ba0f0137f1831f388963ddfe0c4ed6f6f7e22d1e927aed859b248
cite: https://penguindriver.com/cite?path=%2Fs%2Fcom.postmarkr%252Fletters
sources:
  - https://postmarkr.com/api/mcp（streamable-http）
---

# Postmarkr

Prepare physical letters and check their status. Review and pay on Postmarkr before mailing.

- 名稱：com.postmarkr/letters
- 版本：0.1.0
- 遠端：https://postmarkr.com/api/mcp（streamable-http）
- 套件：—
- 原始碼：—
- 分類：—

---
MCP 伺服器資料來自官方 MCP Registry；付費 API 來自 x402 Bazaar。網頁版：https://penguindriver.com/s/com.postmarkr/letters

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