Does it support both NFS-e and NF-e?

Yes! The tools allow emitting and managing both Service Invoices (nfse) and Product Invoices (nfe) seamlessly.

How do I get my API Token?

Log in to the Focus NFe portal and navigate to the API section to generate your token.

Can I download the authorized XML?

Yes, use the `download_xml` tool with the document reference to retrieve the full XML content.

Is it homologated for all Brazilian cities?

Focus NFe covers thousands of cities for NFS-e emission. You can check their API documentation for the complete list of supported IBGE city codes.

Focus NFe MCP Server for Google ADK 5 tools — connect in under 2 minutes

Name: Focus NFe
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 5 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Focus NFe as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="focus_nfe_agent",
    instruction=(
        "You help users interact with Focus NFe "
        "using 5 available tools."
    ),
    tools=[mcp_tools],
)

Fully ManagedVinkius Servers

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Focus NFe MCP Server

Connect Focus NFe to any AI agent and automate your Brazilian fiscal documentation — issue service invoices (NFS-e) and product invoices (NF-e), check status, cancel documents, and download XMLs via natural conversation.

Google ADK natively supports Focus NFe as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 5 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Emit NFS-e — Issue Service Invoices instantly
Emit NF-e — Issue Product Invoices with full item details
Consult Status — Check if a document is authorized, cancelled, or processing
Cancel Documents — Cancel issued invoices with a justification reason
Download XML — Retrieve the authorized XML for accounting and storage

The Focus NFe MCP Server exposes 5 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Focus NFe to Google ADK via MCP

Follow these steps to integrate the Focus NFe MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 5 tools from Focus NFe via MCP

Why Use Google ADK with the Focus NFe MCP Server

Google ADK provides unique advantages when paired with Focus NFe through the Model Context Protocol.

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Focus NFe

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine Focus NFe tools with BigQuery, Vertex AI, and Cloud Functions

Focus NFe + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Focus NFe MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Focus NFe and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Focus NFe tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Focus NFe regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Focus NFe

Focus NFe MCP Tools for Google ADK (5)

These 5 tools become available when you connect Focus NFe to Google ADK via MCP:

cancel_document

Cancel an authorized invoice

consult_document

Consult the status and details of an invoice

download_xml

Download the authorized XML document

emit_nfe

Emit a Product Invoice (NF-e)

emit_nfse

Emit a Service Invoice (NFS-e)

Example Prompts for Focus NFe in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Focus NFe immediately.

"Emit a service invoice for R$500 for 'Consulting Services'."

"Cancel invoice REF-123 with reason 'Client requested cancellation'."

"Get the XML for invoice REF-123."

Troubleshooting Focus NFe MCP Server with Google ADK

Common issues when connecting Focus NFe to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Focus NFe + Google ADK FAQ

Common questions about integrating Focus NFe MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.