How do I find my VATNode API Key?

Log in to your [**VATNode dashboard**](https://vatnode.dev/dashboard), and you will find your API Key on the main home page. Copy and paste it below.

Can the agent validate European VAT numbers?

Yes. VATNode supports validation for VAT numbers across the European Union and several other jurisdictions globally using official VIES data.

Is tax rate information provided?

Yes. The `get_country_vat_rates` tool provides current standard and reduced VAT rates, helping you audit tax obligations for different regions.

VATNode MCP Server for Pydantic AI 6 tools — connect in under 2 minutes

Name: VATNode
Availability: InStock
Author: Vinkius

ai.pydantic.dev/mcp

Built by Vinkius GDPR 6 Tools SDK

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect VATNode through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to VATNode "
            "(6 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in VATNode?"
    )
    print(result.data)

asyncio.run(main())

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About VATNode MCP Server

Empower your AI agent to orchestrate your entire VAT validation and tax auditing workflow with VATNode, the reliable source for global VAT intelligence. By connecting VATNode to your agent, you transform complex tax compliance tasks into a natural conversation. Your agent can instantly verify if a VAT number is valid, audit company registration details, and retrieve current tax rates for any country without you ever touching a manual lookup tool. Whether you are conducting financial due diligence or managing international invoicing, your agent acts as a real-time tax consultant, ensuring your business data is always verified and compliant.

Pydantic AI validates every VATNode tool response against typed schemas, catching data inconsistencies at build time. Connect 6 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.

What you can do

VAT Auditing — Verify if any international VAT number is valid and retrieve detailed company metadata, including names and addresses.
Tax Rate Oversight — Retrieve current standard and reduced VAT rates for any country to maintain a clear view of global tax obligations.
Corporate Discovery — Query company details associated with a VAT number to assist in rapid financial background checks.
Global Intelligence — List VAT rates for all supported countries to understand the reach of different tax systems instantly.
Operational Monitoring — Check your API usage and account metadata to maintain strict control over your research volume.

The VATNode MCP Server exposes 6 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect VATNode to Pydantic AI via MCP

Follow these steps to integrate the VATNode MCP Server with Pydantic AI.

Install Pydantic AI

Run pip install pydantic-ai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 6 tools from VATNode with type-safe schemas

Why Use Pydantic AI with the VATNode MCP Server

Pydantic AI provides unique advantages when paired with VATNode through the Model Context Protocol.

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your VATNode integration code

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

Dependency injection system cleanly separates your VATNode connection logic from agent behavior for testable, maintainable code

VATNode + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the VATNode MCP Server delivers measurable value.

Type-safe data pipelines: query VATNode with guaranteed response schemas, feeding validated data into downstream processing

API orchestration: chain multiple VATNode tool calls with Pydantic validation at each step to ensure data integrity end-to-end

Production monitoring: build validated alert agents that query VATNode and output structured, schema-compliant notifications

Testing and QA: use Pydantic AI's dependency injection to mock VATNode responses and write comprehensive agent tests

VATNode MCP Tools for Pydantic AI (6)

These 6 tools become available when you connect VATNode to Pydantic AI via MCP:

get_api_usage

Check current VATNode API usage statistics

get_company_by_vat

Retrieve company details associated with a VAT number

get_country_tax_info

Get additional tax information for a country

get_country_vat_rates

Get current VAT rates for a specific country

list_all_vat_rates

List VAT rates for all supported countries

validate_vat_number

Verify if a VAT number is valid and retrieve company metadata

Example Prompts for VATNode in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with VATNode immediately.

"Validate the VAT number 'DE123456789' using VATNode."

"What are the standard VAT rates in 'France' (FR)?"

"List all countries with a standard VAT rate above 20%."

Troubleshooting VATNode MCP Server with Pydantic AI

Common issues when connecting VATNode to Pydantic AI through the Vinkius, and how to resolve them.

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

VATNode + Pydantic AI FAQ

Common questions about integrating VATNode MCP Server with Pydantic AI.

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer. your VATNode MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.