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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use isvat with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Validate European VAT numbers. audit tax IDs via AI.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete isvat capability set.

These are the exact actions your AI can choose when you ask it to work with isvat.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through isvat.

  1. 01

    Check API status

    Check if the isvat API is operational

  2. 02

    Validate eu vat

    Verify if a European VAT number is valid

  3. 03

    Validate multiple vat

    Verify multiple European VAT numbers

Observed, not estimated

794ms average. Fast in production.

isvat is checked daily against the live service.

Daily averagePeak 979ms
Aug 20Today
Fastest day
679ms
Slowest day
979ms
14-day trend
Slowing+25%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of isvat, so you can see the experience inside your AI.

It does not authenticate your account with isvat. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

isvat Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_W2NhBrGAIxd5ffyKLEpY2J1ENAhlAkdwD4MLqDAR/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — isvat capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "isvat-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_W2NhBrGAIxd5ffyKLEpY2J1ENAhlAkdwD4MLqDAR/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions isvat owners ask.

  • 01

    Is an API Key required for isvat?

    No. isvat is a free and public service. This server works out of the box without any static credentials required.

  • 02

    Which countries are supported?

    isvat supports VAT validation for all countries within the European Union (EU).

  • 03

    Does the agent retrieve company addresses?

    The isvat API primarily returns a boolean validation status. For detailed company metadata, including names and addresses, consider using the VATNode or BrasilAPI servers.

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