How to Use the VATNode MCP in OpenAI Agents SDK

Q: Does the MCP Server support multiple countries in OpenAI Agents SDK?

Absolutely. You can use listallvatrates to find rates across every supported country, and then drill down with getcountrytaxinfo for specifics.

Audit tax rates and company data with VATNode, built for OpenAI Agents SDK.

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Connect VATNode MCP to OpenAI Agents SDK

Create your Vinkius account to connect VATNode to OpenAI Agents SDK 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 VATNode with OpenAI Agents SDK

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Validate Company Data using the MCP Server

The `validate_vat_number` tool verifies if a given VAT number is valid. It returns immediate company metadata alongside verification status. This lets your agent pinpoint exactly who owns that tax ID, making it useful for quick compliance checks before any transactions happen.

Get Country-Specific Tax Rates

Need to know the local rules? The `get_country_vat_rates` tool pulls current VAT rates for a specific country. It’s fast and accurate. You can use this info right in your agent's logic, ensuring that any pricing recommendation it makes uses the correct tax structure.

List All Global Tax Rates

The `list_all_vat_rates` tool compiles VAT rates for every country we support. It gives you a master list to work from. This is perfect for an agent that needs to know the tax landscape globally, without having to call multiple endpoints.

Setup guide

Set up VATNode MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all VATNode tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives VATNode tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate VATNode tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="VATNode Agent",
            instructions="You have access to VATNode tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about VATNode MCP in OpenAI Agents SDK

Your agents use the MCP Server tools to perform actions outside of the chat window. For example, you can ask your agent to check a tax rate, and it calls `get_country_vat_rates` in the background.

The server touches VAT numbers, company metadata, and various tax rates. Your agent's actions are recorded via tracing, which gives you a clear audit trail of what was accessed.

Absolutely. You can use `list_all_vat_rates` to find rates across every supported country, and then drill down with `get_country_tax_info` for specifics.

Yep. The entire purpose is auditing. You can validate numbers using `validate_vat_number`, or check usage limits with `get_api_usage` before running a big batch job.

The server handles tax rates, company metadata, and full country tax information. This means your agents are dealing with sensitive financial identifiers.

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