WhatsApp Business Tools MCP Guide: Set Up Messaging with Codex or Claude
Setting up WhatsApp Business Platform usually means moving among the Developer Console, Business Manager, API documentation, and a code editor while you align a business, an app, a phone number, message templates, and webhooks. Meta announced WhatsApp Business Tools MCP on September 15, 2026 to bring that sequence into AI coding tools such as Claude Code, Codex, and ChatGPT. This is not a license to hand production messaging to an autonomous agent. The server is in beta, is rolling out gradually, and is intended for development and testing workflows rather than production sending at scale. Actions that register a number, change account configuration, or send a message still require careful review of permissions, targets, and cost. Based on Meta's official announcement and documentation checked on September 22, 2026, this guide explains what to prepare, how to connect safely, and where a human should stop and verify the result. Quick answer The remote server endpoint is http...