How to Use the isvat MCP in Cursor

Validate EU VAT numbers directly in your code using Cursor to build compliant checkout flows without mock data.

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Connect isvat MCP to Cursor

Create your Vinkius account to connect isvat to Cursor 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 isvat with Cursor

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Generate live tax code in Cursor

The `validate_eu_vat` tool injects real-time tax validation responses directly into your active Cursor editor session. When writing billing logic, your Cursor agent uses this tool to test validation routines with live registry data instead of mock strings. This MCP server eliminates the guesswork of writing regex or handling edge cases for different European countries. You see exactly how the official database responds to different formatting styles while you write your integration.

Batch test billing databases in Cursor

The `validate_multiple_vat` tool lets your Cursor agent query multiple European tax registries simultaneously during debugging sessions. You can feed a JSON list of customer records to the editor chat, and it will call this batch tool to verify the entire dataset in one pass. The Cursor agent writes the output directly back into your active test files or database seeds. That's a red flag if any of your test accounts are using expired numbers, and you can fix them before committing.

Check VIES status in this MCP Server

The `check_api_status` tool exposes the current operational state of the official European tax databases directly to your Cursor editor. Your Cursor agent uses this tool to write defensive code, setting up circuit breakers when the government API goes dark. Instead of guessing why an integration test failed in Cursor, you get a direct status report. This ensures you build resilient checkout logic that doesn't crash your entire app when a foreign government database goes offline.

Setup guide

Set up isvat MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the isvat MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent isvat transactions." If the MCP tools are loaded correctly, Cursor will call the isvat tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

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

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 isvat. 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 isvat MCP in Cursor

Add the isvat server configuration to your global or project-specific mcp.json file under the mcpServers key. Once configured, enable Agent mode in the Cursor chat panel to give the AI access to the tax validation tools.

Yes, you can feed a list of customer records to the Cursor agent and ask it to run the batch verification tool. It will check the EU VAT numbers and update your local database files with the correct status.

Yes, the Cursor agent calls the validation tools in real-time as you write code, letting you verify that your billing integration handles both valid and invalid European tax IDs correctly.

Yes, it queries the official databases for all EU countries. The Cursor agent handles country codes automatically based on the prefix of the number you provide.

All tax identifiers are routed through encrypted transit directly to the official registries. Cursor runs these tools locally or via secure endpoints, ensuring no third party logs your customers' sensitive financial IDs.

Use it with your favorite AI tools

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