Step-by-step guides to connect WhatsApp to Claude, ChatGPT, Cursor, Grok and your PBX, plus the engineering behind it: SIP bridging, the MLow voice codec, webhooks and per-number egress.
Connect WhatsApp to Pipedrive with WhatsMCP: log every chat on the person and send from the WhatsApp panel. Personal (QR) and Business API numbers.
Connect your official WhatsApp Business API number to ChatGPT with WhatsMCP: Embedded Signup, Developer mode, templates and the 24-hour window.
Put your official WhatsApp Business API number in Claude: Embedded Signup, one MCP URL, templates and Meta's 24-hour window handled for you.
Connect WhatsApp to Claude Code, Claude Desktop and claude.ai with WhatsMCP: one MCP URL, OAuth sign-in, 45 tools. Setup, prompts and FAQ.
The pjsip.conf settings that matter for the WhatsMCP bridge: G.722/G.711 codec order, endpoint vs trunk, NAT, one call per number, and what doesn't cross.
Step-by-step: link WhatsApp by QR code, then connect Asterisk PJSIP so WhatsApp calls ring your phones and your users dial WhatsApp numbers.
Connect WhatsApp to ChatGPT with WhatsMCP: turn on Developer mode, add one MCP URL, sign in with OAuth. Read, reply and manage groups from ChatGPT.
Connect WhatsApp to Grok with WhatsMCP: a custom connector on grok.com, or the xAI API's remote MCP tool. Setup, code samples, prompts and FAQ.
How WhatsApp Business API templates work: categories, variables, limits, common rejection reasons, 10 examples, and sending them from an AI agent.
Personal WhatsApp or the WhatsApp Business API for your AI agent? Features, rules, costs and setup compared, with a simple way to choose.
Connect WhatsApp to OpenAI Codex with WhatsMCP: codex mcp add and login, or config.toml with an env-var API key. Setup, prompts and FAQ.
Connect WhatsApp to Cursor's agent with WhatsMCP: add one entry to mcp.json, sign in with OAuth or an env-var API key, and build against a real number.
Sync WhatsApp with HubSpot or Pipedrive using WhatsMCP webhooks and the REST API: log every message on the contact and send templates from the CRM.
A builder's field guide to Model Context Protocol servers in 2026: shaping tools as an agent UI, escaping the context tax with code execution, defending against tool poisoning, and living with the new stateless spec.
Push every inbound WhatsApp message to your own HTTPS endpoint the instant it arrives — how to register a WhatsMCP webhook, verify the signature, build a receiver that never loses a message, and three things to build on inbound events.
A deep technical tour of the real-time transcoding bridge that connects WhatsApp calls to Asterisk and FreeSWITCH: dual-plane signaling, Opus/G.711 transcoding, jitter buffering, PLC, a sub-50 ms media path, and the war stories behind each decision.
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