Wati MCP: WhatsApp and Instagram chats from your AI app

How to connect Wati to Claude, ChatGPT or Cursor

1. 1Click Connect Wati free and sign in with your Wati account.
2. 2Anything that sends a message or campaign reaches real customers. Switch those tools off unless your team wants AI-sent messages, and keep contacts and templates.
3. 3Add ContextGate to your AI app as a connector or MCP server. The steps for each app are on the Works with page.
4. 4Ask your AI app to add a new customer's WhatsApp number to Wati with their order number as an attribute, then open Activity to see the call.

WhatsApp customer work your AI app can do

• Add a contact by WhatsApp number and update their custom attributes.
• Send a free-form message to a customer within the 24-hour session window.
• Manage chats, campaigns and message templates across WhatsApp and Instagram.
• List your Wati teams and work with Astra AI agents.

Keep customer messaging in check

• Switch off message and campaign sending; your AI app can still look up contacts and chats.
• Policies can hide customers' phone numbers and other personal data from your AI app.
• Activity records every message sent through Wati from an AI app.

What you get with Wati and ContextGate

• Your AI apps can use WatiClaude, Cursor, ChatGPT and other AI apps reach Wati through the one ContextGate connection you add to them.
• You choose which tools they can useSwitch off any Wati tool you don't want used. It's hidden from your AI apps and refused if called.
• Every call is checked and recordedYour policies check each call (for example, personal data is hidden and secrets are blocked), and Activity keeps a record of it.

ContextGate sees only the tool calls that go through it, not your AI app's built-in tools or your chats.

Wati tools

Examples of what your AI apps can do in Wati. You'll see the exact list of tools after you connect it.

• Add ContactTool to add a new contact in wati. use when registering a customer's whatsapp number before sending messages.
• Get TeamsTool to retrieve a list of teams from wati. use after authenticating when you need to enumerate all available teams.
• Send Session MessageTool to send a session message to a specified whatsapp number. use when you need to deliver a free-form text within an active 24-hour session window.
• Update Contact AttributesTool to update attributes of an existing contact. use after confirming the contact exists and you need to modify its custom attributes.
• Wati update chat statusDeprecated action placeholder for updating chat status.