How to Use the VATNode MCP in Claude

Q: How do I check if a company is valid when using VATNode with Claude Desktop?

You run validatevatnumber. This tool checks the format and validity of the VAT ID against official records. It pulls back key metadata, letting you know instantly if the number belongs to an active entity.

Q: Can I see all supported country VAT rates in Claude Desktop?

Yes, use listallvatrates. This tool lists the current VAT rates for every country that VATNode supports. It’s a quick way to build an internal rate comparison chart.

Q: Does VATNode support auditing different tax types with Claude Desktop?

Yes. Besides the main VAT rates, getcountrytaxinfo provides additional tax context for any given country, giving you a broader audit scope.

Validate tax data and audit companies directly within Claude Desktop.

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Connect VATNode MCP to Claude Desktop

Create your Vinkius account to connect VATNode to Claude Desktop 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 Claude Desktop

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Check VAT numbers with Claude Desktop

Use the `validate_vat_number` tool to verify any VAT number. This function immediately tells you if a number is legitimate and pulls back company metadata associated with it. Need more context? You can use `get_company_by_vat` to get full details on an entity once you have its VAT ID. It’s perfect for quickly confirming client data without leaving your chat.

Get comprehensive tax rates via MCP Server

Don't guess the tax rate. The `get_country_vat_rates` tool pulls up current VAT percentages for a specific country you name. It’s fast and accurate. Want to see everything? Run `list_all_vat_rates` to get a list of rates across every supported country, so you can audit multiple regions at once.

Audit usage and tax info with Claude Desktop

The `get_api_usage` tool tracks your current VATNode API consumption. Knowing this helps you manage costs and plan bulk operations. You can also pull general tax guidelines for a nation using `get_country_tax_info`. It gives you the broader picture, beyond just the VAT number.

Setup guide

Set up VATNode MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The VATNode MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the VATNode MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under vatnode-mcp.

json

{
  "mcpServers": {
    "vatnode-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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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 VATNode. 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 VATNode MCP in Claude Desktop

You run `validate_vat_number`. This tool checks the format and validity of the VAT ID against official records. It pulls back key metadata, letting you know instantly if the number belongs to an active entity.

Yes, use `list_all_vat_rates`. This tool lists the current VAT rates for every country that VATNode supports. It’s a quick way to build an internal rate comparison chart.

The server touches company metadata and tax rates, specifically the `VAT number` and associated `company details`. The tool provides only audited public information, so your private credentials aren't exposed.

Absolutely. Since you’re using the Desktop app, you can connect it locally via stdio transport, which is great if you need to keep data on your machine.

Yes. Besides the main VAT rates, `get_country_tax_info` provides additional tax context for any given country, giving you a broader audit scope.

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