GoKawiilDeveloper releases open-source WhatsApp MCP server for self-hosting on Cloudflare
A developer published 'whatsapp-mcp,' an open-source project that lets AI assistants like Claude search and read a user's WhatsApp messages. Users link their phone like WhatsApp Web, and the server stores message data in a SQLite database inside a Cloudflare Durable Object under their own account. The tool can read, search and recall contact names but cannot send messages, and requires a Cloudflare Workers Paid plan to run.
GoKawiil's interpretation of the reporting above, not reported fact.
By keeping data within the user's own Cloudflare account rather than a third-party server, the project frames itself as a privacy-conscious way to connect messaging data to AI agents, though users must still trust the code and Cloudflare's infrastructure. It reflects a growing trend of developers building self-hosted MCP connectors so AI tools can access personal data sources like messaging apps without relying on centralized SaaS intermediaries.
- The server links to WhatsApp like a secondary device and periodically syncs messages, rather than staying continuously connected.
- It supports read and search functions only, with no ability to send messages on the user's behalf.
- Setup requires technical steps including Cloudflare CLI tools, a paid Workers plan, and manual deployment via git and npm.
Source: github.com, 2026-10-18
Published there as: “Show HN: WhatsApp MCP running free on Cloudflare”
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