---
title: "Heffl Free Tools"
canonical: https://penguindriver.com/s/com.heffl%2Ffree-tools
markdown: https://penguindriver.com/s/com.heffl%2Ffree-tools.md
retrieved: 2026-10-03
language: zh-Hant-TW
content_sha256: 54365efde2fbac344459471b294abfd320a37f17f485a96e0a11c7a65c51863f
cite: https://penguindriver.com/cite?path=%2Fs%2Fcom.heffl%252Ffree-tools
sources:
  - https://api.heffl.com/api/public-tools/mcp（streamable-http）
---

# Heffl Free Tools

Free email verification, business calculators, UAE estimates and drafts. No API key.

- 名稱：com.heffl/free-tools
- 版本：1.1.0
- 遠端：https://api.heffl.com/api/public-tools/mcp（streamable-http）
- 套件：—
- 原始碼：—
- 分類：通訊與協作

---
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.heffl/free-tools

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