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WhatsApp MCP running free on Cloudflare

Show HN: WhatsApp MCP running free on Cloudflare

Hint: this tool appears to depend on Google, WhatsApp, Telegram or a similar service that may be hard to reach from mainland China.

AI Agent / automation workflows Source: Hacker NewsScore 3.29· #24 on the hot list25 points· First listed Oct 18, 2026

Visit the WhatsApp MCP running free on Cloudflare website / project page →HN discussion

What is WhatsApp MCP running free on Cloudflare

An open-source project for a free WhatsApp MCP service running on Cloudflare, enabling AI Agents to interact with WhatsApp via the MCP protocol.

Key features

  • Allows AI Agents to read and search WhatsApp messages via the MCP protocol
  • Supports querying messages from specific contacts, cross-chat keyword search and summarising group content
  • Uses an SQLite database to store messages in Cloudflare Durable Objects
  • Runs as a linked device, keeping the phone as the message source and receiving notifications normally
  • Can remember custom names assigned to phone numbers

Who it is for

Intended for users who want Claude and other MCP-enabled AI Agents to access personal WhatsApp messages; suitable for personal scenarios requiring natural language queries of chat history.

How to get started

  1. Use wrangler to create a KV namespace and set secrets
  2. Open the URL output by wrangler, scan the QR code to link a WhatsApp device

Compiled from public descriptions on the tool's official website / README / launch page. Pricing and user numbers have not been verified; please check the official website. Some sections were drafted with AI assistance. Written in Chinese and English; other languages are machine-translated.

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