{
 "title": "Heffl Free Tools",
 "site": "台灣 AI 代理人任務中樞",
 "canonical": "https://penguindriver.com/s/com.heffl%2Ffree-tools",
 "markdown": "https://penguindriver.com/s/com.heffl%2Ffree-tools.md",
 "summary": "Free email verification, business calculators, UAE estimates and drafts. No API key.",
 "date_modified": null,
 "retrieved": "2026-10-03",
 "content_sha256": "54365efde2fbac344459471b294abfd320a37f17f485a96e0a11c7a65c51863f",
 "fingerprint_basis": "Markdown 版全文，移除贊助行與開頭 front matter，去除頭尾空白",
 "verify": {
  "text_snapshot": "https://penguindriver.com/cite?path=%2Fs%2Fcom.heffl%252Ffree-tools&format=text",
  "how": "下載 text_snapshot 後計算 SHA-256，應與 content_sha256 相同；內容更新時指紋會改變"
 },
 "sources": [
  {
   "name": "https://heffl.com/tools/agents",
   "url": "https://heffl.com/tools/agents"
  }
 ],
 "source_count": 1,
 "cite_as": {
  "zh": "Heffl Free Tools｜台灣 AI 代理人任務中樞。https://penguindriver.com/s/com.heffl%2Ffree-tools（資料日期 未標示，擷取 2026-10-03）",
  "apa": "台灣 AI 代理人任務中樞. (2026). Heffl Free Tools. Retrieved 2026-10-03, from https://penguindriver.com/s/com.heffl%2Ffree-tools",
  "markdown": "[Heffl Free Tools](https://penguindriver.com/s/com.heffl%2Ffree-tools)（台灣 AI 代理人任務中樞，2026-10-03）"
 },
 "license": "可引用，請附上正式網址與資料日期"
}