Show HN：用 OpenAI 订阅额度把 PDF 转成有声书
Show HN: Use your OpenAI subscription to create audiobooks
一款名为 PDF TO MP3 的 MCP 服务可让用户借助 OpenAI 订阅额度处理文档、生成有声书。用户在 Codex 的 Settings → Plugins → Add MCP server 中添加该 Streamable HTTP 服务地址并完成认证，再填入仅用于语音合成的 API key，即可在 AI 对话中附上 PDF 并让其调用该 MCP 生成有声书。
$0to PDF TO MP3
Use your subscription to process the documents. The speech generation is billed by Google or OpenAI.
01Connect your AI
In Codex, open Settings → Plugins → Add MCP server.
Choose Streamable HTTP and paste this server address.
Save, then choose Authenticate and connect your PDF TO MP3 account.
02Add your speech key
This key pays for speech only.
03Send your first document
Attach a PDF in your AI chat and ask:
“Use the PDF TO MP3 MCP to turn this into an audiobook.”
Your subscription will be used for:
- document processing (via MCP)already paid by your subscription
Your API key will be used for:
- generating speechOpenAI charges per usage
Only want to connect your API key?Use my API key
来源：Hacker News：AI 热帖 · pdftomp3.com