How to Use the Correios do Brazil MCP in Google ADK

Q: Can I filter Correios do Brazil tools in Google ADK?

You can use the toolnames filter to restrict which functions your agent can access. This is useful if you only want to expose price calculations but not address lookups.

Connect Correios do Brazil to your Google ADK agents to automate logistics within your Google Cloud infrastructure.

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Connect Correios do Brazil MCP to Google ADK

Create your Vinkius account to connect Correios do Brazil 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 Correios do Brazil with Google ADK

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Get postal pricing in Google ADK

The `calculate_prices` tool fetches shipping costs for your logistics workflows. Your agent consumes this data to adjust order totals or suggest shipping methods to your users. It runs inside your existing Google Cloud environment. You get consistent price lookups without building custom wrappers for the postal service.

Verify address details with Google ADK

Your agent uses `consult_cep` to translate ZIP codes into specific city and street data. This keeps your BigQuery datasets clean and accurate. It removes the need for manual address entry in your forms. Your agent handles the lookup and updates your records automatically.

Estimate shipping windows using Google ADK

The `estimate_delivery_time` tool provides arrival forecasts between any two points in Brazil. Your agent presents these dates to customers during checkout or tracking updates. This adds real-world logistics context to your agent's reasoning. It helps your app provide accurate delivery windows without relying on static estimations.

Setup guide

Set up Correios do Brazil 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 Correios do Brazil 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="Correios do Brazil_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Correios do Brazil 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 Correios. 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 Correios do Brazil MCP in Google ADK

You define an McpToolset using your endpoint URL and pass it to your LlmAgent. This allows your agent to execute postal lookups alongside your existing BigQuery data operations.

You can use the tool_names filter to restrict which functions your agent can access. This is useful if you only want to expose price calculations but not address lookups.

Yes. Since the server returns standard JSON, your Gemini model can ingest the output easily. It maintains the context of your shipping queries across the full 1M+ token window.

The server uses a reliable HTTP transport layer. It remains stable as long as your environment has network access to the Vinkius endpoint.

The server only processes ZIP codes, which are non-sensitive geographic data points. This information stays within your agent's memory scope and isn't logged unless you explicitly write it to a database.

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