How to Use the Correios API (REST) MCP in AutoGen

Let your AutoGen agents debate shipping costs with the Correios API (REST) MCP Server.

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Connect Correios API (REST) MCP to AutoGen

Create your Vinkius account to connect Correios API (REST) 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 API (REST) with AutoGen

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Perplexity

Debate shipping costs in AutoGen

Use the `calculate_price_deadline` tool to provide live data for your agent team. One agent fetches the rate, while another critiques the cost against your budget. This setup forces your agents to reach consensus on shipping choices. It ensures that every postal decision is vetted by both a logistics and a cost-analysis agent.

Verify tracking with agent teams

The `track_object` tool supplies the data for your agents to discuss transit delays. A security agent checks for missing objects while an operations agent coordinates the response. You solve complex shipping issues by letting agents challenge each other's interpretations of the tracking status. This is better than relying on a single agent's logic.

Automated shipping negotiations

Your agents use this MCP Server as their source of truth for delivery estimates. They negotiate delivery windows based on the constraints returned by the tools. This creates a system where shipping decisions happen automatically. Your agents converge on the best delivery method without you intervening.

Setup guide

Set up Correios API (REST) 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 API (REST) 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 API (REST)_assistant",
    model_client=OpenAIChatCompletionClient(model="gpt-4o"),
    tools=tools,
)

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

Get your connection token →

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 API (REST)_assistant",
        model_client=OpenAIChatCompletionClient(model="gpt-4o"),
        workbench=workbench,
    )

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

Get your connection token →

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 API (REST) MCP in AutoGen

You pass the tools list to the AssistantAgent constructor. The McpToolAdapter handles the schema conversion so your agents can invoke the methods directly.

Yes, you can define your agent team to share the same MCP connection. They all see the same tool output during their conversation.

It fits perfectly. Your agents can debate the results of a tracking query before deciding which action to take next.

You define the server parameters and the adapter does the rest. It supports both stdio and HTTP transports for your agent clusters.

We enforce strict isolation for every agent conversation. Your tracking numbers and postal queries are restricted to the ephemeral session and never persist beyond the agent's task.

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