How to Use the Focus Varejo MCP in Google ADK

Q: Can I filter which Focus Varejo tools are available to my Google ADK agent?

You can use the toolnames filter to restrict access. This ensures your agent only uses the tools necessary for its specific tasks.

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Connect Focus Varejo MCP to Google ADK

Create your Vinkius account to connect Focus Varejo 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 Focus Varejo with Google ADK

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Retail invoice generation for Google ADK

Call `emit_nfce` to generate retail invoices directly from your agent workflows on Google Cloud. This integrates with your existing data pipelines, ensuring tax compliance at the point of sale. Your agent manages the document lifecycle by processing the response from the Focus Varejo API. It keeps your transaction logs updated without extra overhead.

Inbound logistics tracking

Use `manifest_nfe` and `manifest_cte` to process incoming documents automatically. Your Google ADK agent monitors incoming freight and confirms receipt, which is essential for accurate inventory management. This capability reduces the time spent on manual document processing. Your system remains synchronized with supplier deliveries in real time.

Telecom invoice management

Trigger `emit_nfcom` and `consult_nfcom` to manage telecommunication service billing. This tool allows your agent to handle complex service invoices alongside standard retail sales. It centralizes your tax operations within a single interface. You maintain full control over service billing through your existing agent infrastructure.

Setup guide

Set up Focus Varejo 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 Focus Varejo 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="Focus Varejo_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Focus Varejo tools via MCP.",
    tools=mcp_tools,
)

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Common questions about Focus Varejo MCP in Google ADK

It does. You configure the server using the McpToolset, allowing your agents to interact with the API securely.

You can use the tool_names filter to restrict access. This ensures your agent only uses the tools necessary for its specific tasks.

Data transmission is encrypted between the server and the API. Your agent only processes the specific invoice data you authorize.

You can trace tool execution through your existing Google Cloud logging. This lets you track latency and success rates for every API call.

The tool returns an error response. Your agent logic can then trigger a fallback process to investigate the document status.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript

Mastra AI sdk-typescript

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