How to Use the Facturama (SAT) MCP in Google ADK

Q: How does Gemini use Facturama (SAT) data for fiscal reporting with Google ADK?

The agent calls listinvoices to pull tax data, which it can feed directly into your Google Cloud analysis pipelines. This allows you to generate real-time tax summaries using Gemini's reasoning.

Connect Gemini agents to Facturama (SAT) to automate CFDI invoicing directly from your Google Cloud data with this MCP Server.

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Connect Facturama (SAT) MCP to Google ADK

Create your Vinkius account to connect Facturama (SAT) 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 Facturama (SAT) with Google ADK

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Map BigQuery catalogs to SAT codes

The `list_catalog` tool allows your Gemini agent to search and match official Mexican tax codes against your internal BigQuery product tables. Your agent uses long-context reasoning to read your inventory, then queries `list_products` and `get_product` to align everything with SAT expectations. This setup eliminates manual mapping errors for large enterprise inventories. Because the Google ADK handles 1M+ token contexts, your agent can process thousands of SKUs at once, verifying each against `list_taxes` before generating any documents.

Issue CFDI invoices using this Google ADK MCP Server

The `create_invoice` tool executes the creation of legal Mexican tax invoices directly from your cloud-based agent workflows. Your agent pulls customer details from your CRM, registers them with `create_client`, and generates the official CFDI instantly. If an invoice contains errors, the agent runs `cancel_invoice` to void it. It can also manage client accounts by calling `delete_client` or checking tax statuses using `get_tax_status` to ensure continuous compliance.

Retrieve and email tax documents programmatically

The `get_invoice_file` tool fetches the Base64-encoded PDF or XML file of any issued CFDI directly into your Gemini agent's execution context. Your agent calls `send_invoice_email` to dispatch the files to the registered client. You can verify the status of sent documents by having the agent run `list_invoices`. Matching the output against your records using `list_clients` ensures no invoices are missed or duplicated.

Setup guide

Set up Facturama (SAT) 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 Facturama (SAT) 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="Facturama (SAT)_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Facturama (SAT) 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 Facturama (SAT Mexico). 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 Facturama (SAT) MCP in Google ADK

Instantiate the toolset using the Vinkius HTTP URL in your Python code. Pass this toolset directly to your Gemini-powered agent to expose all 14 fiscal tools.

Yes, you can use the optional tool name filter in the Google ADK configuration. This allows you to restrict the agent to read-only tools like `list_invoices` and `get_tax_status`.

The agent calls `list_invoices` to pull tax data, which it can feed directly into your Google Cloud analysis pipelines. This allows you to generate real-time tax summaries using Gemini's reasoning.

The tool call returns an error code, which your Gemini agent detects. You can program the agent to retry the `create_invoice` call or log the error for human review.

Your MCP connection runs through an isolated, zero-trust V8 sandbox environment. Credentials and CFDI payloads are processed ephemerally, leaving no persistent footprint on the marketplace infrastructure.

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