How to Use the WhatsApp Business MCP in Mastra AI

Q: How does Mastra AI handle sending text messages with WhatsApp Business?

You use sendtextmessage, providing the E.164 number and message body. The workflow engine manages this tool call, ensuring automatic retries if the initial send fails.

Q: Can Mastra AI handle sending location pins for WhatsApp Business?

Yes, you can use sendlocationpin. Just give the recipient number and the lat/lng coordinates. The framework executes this action as part of a resilient, multi-step workflow.

Q: If I want to use quick reply buttons with WhatsApp Business using Mastra AI, how is it managed?

You call sendquickreplybuttons. You supply the explanation text and button labels. The workflow engine handles this; if a step fails before sending the message block, it'll try again.

Q: Does WhatsApp Business support template messages with Mastra AI?

Absolutely. Use sendtemplatemessage by specifying the template name and language code. The framework treats this as a critical step, ensuring successful delivery or triggering an alert.

Build resilient WhatsApp Business workflows with Mastra AI's MCP Server tools.

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Connect WhatsApp Business MCP to Mastra AI

Create your Vinkius account to connect WhatsApp Business to Mastra AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup WhatsApp Business with Mastra AI

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Send Text Messages via MCP Server

The `send_text_message` tool lets your agent send a free-form conversation message on WhatsApp Business. You only need the E.164 phone number and the text content. Mastra AI's workflow engine handles this, meaning if the initial send fails, it automatically retries or triggers an admin notification.

Send Template Messages via MCP Server

If you need to initiate a conversation on WhatsApp Business, use `send_template_message`. You must provide the specific template name and language code. The framework ensures this message goes out correctly, supporting complex multi-step processes that rely on structured messaging.

Send Media Messages via MCP Server

Use `send_media_message` to send an image, video, document, or audio file. Pass the recipient number and the public URL for the media. The built-in workflow engine manages this call, giving you confidence that even if a network blip happens, your process will attempt recovery.

Setup guide

Set up WhatsApp Business MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All WhatsApp Business tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "whatsapp-business-mcp-client",
  servers: {
    "whatsapp-business-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "WhatsApp Business Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to WhatsApp Business tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent WhatsApp Business transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by WhatsApp Business. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about WhatsApp Business MCP in Mastra AI

You use `send_text_message`, providing the E.164 number and message body. The workflow engine manages this tool call, ensuring automatic retries if the initial send fails.

Yes, you can use `send_location_pin`. Just give the recipient number and the lat/lng coordinates. The framework executes this action as part of a resilient, multi-step workflow.

This server touches phone numbers (E.164), text strings, absolute file URLs, and latitude/longitude coordinates. These are the core inputs that your workflow needs to process.

You call `send_quick_reply_buttons`. You supply the explanation text and button labels. The workflow engine handles this; if a step fails before sending the message block, it'll try again.

Absolutely. Use `send_template_message` by specifying the template name and language code. The framework treats this as a critical step, ensuring successful delivery or triggering an alert.

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