How to Use the Commerce.js MCP in Google ADK

Q: How do I initialize the Commerce.js toolset in Google ADK?

Import McpToolset from the Python SDK and configure it with your Vinkius MCP Server URL. Pass this toolset directly into your LlmAgent constructor to give Gemini access to tools like listproducts.

Q: Can Gemini use Google ADK to modify Commerce.js cart items?

Yes, the model can dynamically invoke updatecartitem or addtocart during a chat session. The ADK handles the underlying JSON-RPC communication to update the cart state instantly.

Q: Does Google ADK support real-time inventory checks on Commerce.js?

Yes, the ADK lets Gemini call listproducts directly to check stock levels. This prevents the model from recommending out-of-stock items during customer conversations.

Connect Gemini agents to Commerce.js using Google ADK to analyze inventory and process orders across massive contexts.

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Connect Commerce.js MCP to Google ADK

Create your Vinkius account to connect Commerce.js 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 Commerce.js with Google ADK

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High-context inventory search with Gemini

The `list_products` and `list_categories` tools expose your live store catalog directly to Gemini's massive context window. By connecting this MCP Server to Google ADK, your agent can cross-reference your live store inventory with customer chat histories. This setup means your agent doesn't just search for keywords. It understands complex, multi-turn user requests and matches them to the exact product details returned by `get_product` in real time.

Direct checkout execution from Google ADK

The `create_cart` and `add_to_cart` tools let your Gemini agent assemble orders based on real-time chat interactions. The agent builds the cart dynamically without needing a separate frontend interface. Once the cart is ready, the Google ADK agent runs `generate_checkout_token` and `capture_order` to finalize the transaction. This turns your conversational LLM into an active sales channel that writes directly to your Commerce.js backend.

BigQuery inventory syncing via MCP Server

The `list_orders` and `get_order` tools pull live purchase history directly into your Google Cloud workflows. This allows you to combine your Commerce.js store metrics with your warehouse data. You can write simple Python code in Google ADK that checks shipping statuses using `get_order` and updates your databases. This eliminates the need to build custom ETL pipelines to sync your store with BigQuery.

Setup guide

Set up Commerce.js 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 Commerce.js 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="Commerce.js_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Commerce.js tools via MCP.",
    tools=mcp_tools,
)

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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 Commerce.js. 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 Commerce.js MCP in Google ADK

Import `McpToolset` from the Python SDK and configure it with your Vinkius MCP Server URL. Pass this toolset directly into your `LlmAgent` constructor to give Gemini access to tools like `list_products`.

Yes, the model can dynamically invoke `update_cart_item` or `add_to_cart` during a chat session. The ADK handles the underlying JSON-RPC communication to update the cart state instantly.

Yes, the ADK lets Gemini call `list_products` directly to check stock levels. This prevents the model from recommending out-of-stock items during customer conversations.

Yes, by combining Gemini's multimodal capabilities with Google ADK, you can build a voice assistant that calls `create_cart` and `generate_checkout_token` directly from audio inputs.

Your API tokens and customer cart contents are locked down in Vinkius's zero-trust sandbox. Google ADK communicates with the server via encrypted HTTP endpoints, meaning your private store data is never exposed to public LLM training runs.

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