How to Use the Correios do Brazil MCP in AutoGen

Q: How do AutoGen agents share Correios do Brazil tool outputs?

When an agent calls calculateprices, the resulting shipping cost is posted directly into the group chat history, allowing all other agents to read and use the data.

Q: Can one AutoGen agent use Correios do Brazil while another handles payment?

Yes. Your logistics agent can call estimatedeliverytime to get shipping options, then pass the chosen rate to your billing agent to update the invoice.

Let your AutoGen agents debate and optimize Brazilian shipping logistics using real-time Correios data.

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Connect Correios do Brazil MCP to AutoGen

Create your Vinkius account to connect Correios do Brazil to AutoGen 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 AutoGen

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Coordinate multi-agent shipping decisions in AutoGen

By giving both agents access to `calculate_prices` and `estimate_delivery_time`, they can debate the best shipping method for an order. In a multi-agent setup, one agent can focus entirely on minimizing shipping costs while another prioritizes speed. The agents negotiate until they find a consensus that meets your business rules. This turns a simple API lookup into an automated decision-making process that balances customer satisfaction and profit margins.

Validate addresses via agent-to-agent verification

Let a dedicated validation agent run `consult_cep` to check a customer's address details. If the ZIP code points to a high-risk delivery zone, that agent can raise a flag to a security agent before any shipping labels are purchased. This conversational workflow ensures that address errors are caught and debated by your agents before they reach your warehouse, saving you money on returned packages and failed deliveries.

Run automated logistics audits with an MCP Server

Set up an auditor agent that regularly runs `calculate_prices` to verify that the shipping fees charged to customers match the current live rates from the Correios API. This auditor agent regularly reviews pending orders. If a discrepancy is found, the auditor agent alerts your sales agent to adjust the invoice. This constant, agent-driven auditing keeps your shipping margins healthy without manual oversight.

Setup guide

Set up Correios do Brazil MCP in AutoGen

Prerequisites

Python 3.10+ installed
autogen-ext[mcp] package
Active Vinkius subscription with a valid endpoint token

1

Install AutoGen with MCP
Run pip install "autogen-ext[mcp]" autogen-agentchat. The MCP extension includes mcp_server_tools for stateless tool access.
2

Fetch tools from the MCP
Call mcp_server_tools(SseServerParams(url=...)) with your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Run your agent
Pass the tools to AssistantAgent and call agent.run(). The agent invokes Correios do Brazil tools and returns structured results.

agent.py

from autogen_ext.tools.mcp import SseServerParams, mcp_server_tools
from autogen_agentchat.agents import AssistantAgent
from autogen_ext.models.openai import OpenAIChatCompletionClient

server_params = SseServerParams(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

tools = await mcp_server_tools(server_params)

agent = AssistantAgent(
    name="Correios do Brazil_assistant",
    model_client=OpenAIChatCompletionClient(model="gpt-4o"),
    tools=tools,
)

result = await agent.run("List recent Correios do Brazil data")
print(result.messages[-1].content)

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Prerequisites

Python 3.10+ installed
autogen-ext[mcp] + autogen-agentchat
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Same packages as above. McpWorkbench is ideal when your agent needs stateful sessions across multiple tool calls.
2

Use McpWorkbench as context manager
Wrap your agent in async with McpWorkbench(...) to maintain shared state and resources. The workbench manages the full MCP session lifecycle.
3

Run with workbench
Pass workbench=workbench to your agent. State is preserved across multiple tool calls within the same session.

agent.py

from autogen_ext.tools.mcp import McpWorkbench, SseServerParams
from autogen_agentchat.agents import AssistantAgent
from autogen_ext.models.openai import OpenAIChatCompletionClient

server_params = SseServerParams(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

async with McpWorkbench(server_params) as workbench:
    agent = AssistantAgent(
        name="Correios do Brazil_assistant",
        model_client=OpenAIChatCompletionClient(model="gpt-4o"),
        workbench=workbench,
    )

    result = await agent.run("List recent Correios do Brazil data")
    print(result.messages[-1].content)

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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 AutoGen

When an agent calls `calculate_prices`, the resulting shipping cost is posted directly into the group chat history, allowing all other agents to read and use the data.

Yes. Your logistics agent can call `estimate_delivery_time` to get shipping options, then pass the chosen rate to your billing agent to update the invoice.

You register the server's tools with your AssistantAgent using the AutoGen MCP extension, which automatically handles the tool schema conversion.

Yes, you can program a coordinator agent to pace the tool calls or handle retries if the Correios API experiences temporary slowdowns.

Your data is completely safe. The MCP Server only handles the specific ZIP codes and package dimensions needed for the calculations, and all communication is isolated inside a secure V8 sandbox.

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