How to connect Whatsapp to Claude Cowork

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Whatsapp account to Cowork via Composio Connect, enabling it to send contact card to new lead, get business profile details for support, list all approved message templates, and more such actions on your behalf without compromising your account security.

Also integrate Whatsapp with

Connecting Whatsapp to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Whatsapp account

Back in Cowork, ask the agent to connect to Whatsapp or give it any Whatsapp-related task.

For example, ask Cowork to:

  • "Send contact card to new lead"
  • "Get business profile details for support"
  • "List all approved message templates"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Whatsapp account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Whatsapp through MCP without you sharing account credentials directly with the agent.

What is the Whatsapp MCP server, and what's possible with it?

The Whatsapp MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your WhatsApp Business account. It provides structured and secure access to your business messaging platform, so your agent can perform actions like sending messages, managing templates, retrieving business info, and automating customer interactions on your behalf.

  • Automated messaging and contact sharing: Let your agent send messages or share contacts directly with customers who have initiated a conversation, making follow-ups and support quick and seamless.
  • Template management and automation: Easily create, retrieve, and delete WhatsApp message templates for marketing or transactional outreach, and keep your approved messages organized.
  • Business profile and phone management: Fetch and update business profile details or pull a full list of WhatsApp Business phone numbers connected to your account for easy management.
  • Media access and metadata retrieval: Direct your agent to download sent media or fetch detailed information about uploaded files—perfect for handling customer attachments or verifying uploads.
  • Template approval and status tracking: Automatically check the approval status of message templates, so your agent knows which templates are ready to use or need revision.

Supported Tools & Triggers

Tools
Create message templateCreate a new message template for the whatsapp business account.
Delete message templateDelete a message template from the whatsapp business account.
Get business profileGet the business profile information for a whatsapp business phone number.
Get mediaGet information about uploaded media including a temporary download url.
Get media infoGet metadata about uploaded media without generating a download url.
Get message templatesGet all message templates for the whatsapp business account.
Get phone numberGet details of a specific phone number associated with a whatsapp business account.
Get phone numbersGet all phone numbers associated with a whatsapp business account (waba).
Get template statusGet the status and details of a specific message template.
Send contactsSend contacts whatsapp number.
Send interactive buttonsSend an interactive button message to a whatsapp number.
Send interactive listSend an interactive list message to a whatsapp number.
Send locationSend a location message to a whatsapp number.
Send mediaSend a media message to a whatsapp number.
Send media bySend media using a media id from previously uploaded media.
Send messageSend a text message to a whatsapp number.
Send replySend a reply to a specific message in a whatsapp conversation.
Send template messageSend a template message to a whatsapp number.
Upload mediaUpload media files (images, videos, audio, documents, stickers) to whatsapp servers.

Available tools and triggers

After setup, the supported Whatsapp tools and triggers listed on this page are available to Cowork through Composio Connect.

You can now ask Cowork to handle Whatsapp workflows in natural language, from quick summaries and drafting tasks to more complex multi-step work across connected apps.

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FAQ

What are the differences in Tool Router MCP and Whatsapp MCP?

With a standalone Whatsapp MCP server, the agents and LLMs can only access a fixed set of Whatsapp tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Whatsapp and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Claude Cowork?

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Whatsapp tools.

Can I manage the permissions and scopes for Whatsapp while using Tool Router?

Yes, absolutely. You can configure which Whatsapp scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Whatsapp data and credentials are handled as safely as possible.

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