How to Use the Focus Admin MCP in Google ADK

Q: How do I pass the Focus Admin tools to my Google ADK agent?

You initialize McpToolset with your Vinkius HTTP URL and pass it to the tools parameter of your LlmAgent. Your Google ADK agent will immediately discover the fiscal tools.

Q: Can I restrict my Google ADK agent to only download DANFE PDFs from Focus Admin?

Yes, you can use the toolnames filter in Google ADK to only expose downloadnfedanfe and keep tools like inutilizenumbering hidden from the agent.

Q: Does the Google ADK integration with Focus Admin support service invoices?

Yes. Your Google ADK agent can use listnfseemitted and listnfsereceived to pull service invoices (NFS-e) alongside standard product invoices.

Connect Gemini models to your fiscal data using Google ADK and this MCP Server.

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Connect Focus Admin MCP to Google ADK

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

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Run Large-Scale Audits in Google Cloud

Combine Google ADK with `list_nfe_by_period` to load months of invoice data directly into your Gemini context window. Because Gemini models handle massive token limits, your agent can analyze thousands of fiscal records at once without running out of memory. Once the agent identifies discrepancies, it can write the clean data back to BigQuery. This turns a slow, manual reconciliation process into a fast, automated pipeline running entirely on Google Cloud infrastructure.

Fetch Documents Using Google ADK and MCP Server

Use `distribute_dfe` to pull down national fiscal documents (DF-e) directly through your Gemini agent. The agent reads the NSU queue, fetches the latest XMLs, and prepares them for storage or analysis. By configuring `McpToolset` with your Vinkius HTTP endpoint, your Google ADK agent gets instant access to these tools. You don't have to write any custom integration code to handle the complex Focus NFe API authentication.

Manage Numbering and Correction Letters

Let your agent handle compliance issues like missing invoice ranges. When the agent detects a gap in your billing sequence, it can call `inutilize_numbering` to flag those numbers as unused via this MCP Server. If an invoice needs a quick fix, the agent can use `send_cc_e` to issue a correction letter or `cancel_cc_e` if a correction was made in error. This keeps your billing compliant without human developers having to log into a portal.

Setup guide

Set up Focus Admin 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 Admin 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 Admin_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Focus Admin 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 Focus NFe. 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 Focus Admin MCP in Google ADK

You initialize `McpToolset` with your Vinkius HTTP URL and pass it to the `tools` parameter of your `LlmAgent`. Your Google ADK agent will immediately discover the fiscal tools.

Yes, you can use the `tool_names` filter in Google ADK to only expose `download_nfe_danfe` and keep tools like `inutilize_numbering` hidden from the agent.

Yes. Your Google ADK agent can use `list_nfse_emitted` and `list_nfse_received` to pull service invoices (NFS-e) alongside standard product invoices.

No, Vinkius hosts the MCP Server for you as a managed service. You only need to pass the hosted HTTP endpoint parameters to your Google ADK python script.

All fiscal payloads and XML strings are processed in ephemeral V8 isolates. The connection between Google ADK and Vinkius is fully encrypted, meaning your invoice data is never cached or stored on Vinkius disks.

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