How to Use the WhatsApp Business Alternative MCP in Google ADK

Q: What is the best way to send messages using WhatsApp Business Alternative and Google ADK?

You use sendtemplatemessage. Because of Gemini's long-context reasoning, your agent can build complex prompts that determine exactly which template and variable structure needs to be used.

Q: Can I get a full list of numbers with WhatsApp Business Alternative and Google ADK?

Yes. Running listphonenumbers provides the complete inventory of associated phone numbers, allowing your enterprise agent to cycle through contacts systematically.

Q: Does this support advanced media handling for WhatsApp Business Alternative and Google ADK?

Absolutely. The getmedia tool fetches comprehensive metadata on all attached files, ensuring the message you send is rich with correctly linked assets.

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Connect WhatsApp Business Alternative MCP to Google ADK

Create your Vinkius account to connect WhatsApp Business Alternative to Google ADK 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 Alternative with Google ADK

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Handle Customer Communication on MCP Server

Use `send_template_message` or `send_text_message` to manage all outgoing client communications. Your agent processes the request, ensuring that the message payload matches the required format for WhatsApp. Because it integrates with BigQuery, the agent can pull context from structured data before sending a personalized text message.

Retrieve Business and Media Info

The `get_business_profile` tool lets your agent pull core details. It also runs `get_media`, giving you all the necessary metadata for any attached files. This is great because it allows your LlmAgent to decide whether an image or a simple text message is needed.

Manage Account Structure

Need to check what numbers are active? `list_phone_numbers` provides the full list. For templates, you can run `list_message_templates` and then use `delete_message_template` if an old template needs removing. This structured approach helps keep your entire WhatsApp workflow clean within Google Cloud.

Setup guide

Set up WhatsApp Business Alternative MCP in Google ADK

Prerequisites

Python 3.10+ installed
google-adk package (pip install google-adk)
Active Vinkius subscription with a valid endpoint token

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with WhatsApp Business Alternative tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="WhatsApp Business Alternative_agent",
    model="gemini-2.0-flash",
    instruction="You have access to WhatsApp Business Alternative tools via MCP.",
    tools=mcp_tools,
)

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Common questions about WhatsApp Business Alternative MCP in Google ADK

You use the MCP Server toolset within LlmAgent. The native integration with BigQuery means your agent can pull customer history directly to inform its actions before calling a messaging function.

You use `send_template_message`. Because of Gemini's long-context reasoning, your agent can build complex prompts that determine exactly which template and variable structure needs to be used.

Yes. Running `list_phone_numbers` provides the complete inventory of associated phone numbers, allowing your enterprise agent to cycle through contacts systematically.

Absolutely. The `get_media` tool fetches comprehensive metadata on all attached files, ensuring the message you send is rich with correctly linked assets.

The server handles business profiles (JSON), media information (URLs/metadata), phone numbers (strings), and text messages for both templates and free-form communication.

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