Bring Vat Validation
to Windsurf
Create your Vinkius account to connect isvat to Windsurf and start using all 3 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the isvat MCP Server?
Empower your AI agent to orchestrate your entire European VAT validation workflow with isvat, the simple and fast API for tax ID verification. By connecting isvat to your agent, you transform complex VAT lookups into a natural conversation. Your agent can instantly verify if a European VAT number is valid 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 compliance assistant, ensuring your tax data is always verified.
What you can do
- VAT Auditing — Verify if any European VAT number is valid and retrieve immediate confirmation status.
- Batch Oversight — Validate multiple VAT numbers simultaneously to maintain strict control over large contact lists.
- Compliance Intelligence — Identify valid tax IDs for businesses across the European Union to assist in financial auditing.
- Operational Monitoring — Check API status to ensure your verification workflow is always operational.
How it works
- Subscribe to this server
- No API Key required (isvat is a public and free service)
- Start managing your tax intelligence through Claude, Cursor, or any MCP-compatible client
Who is this for?
- Accountants — monitor VAT compliance and retrieve verified status straight from your workflow.
- Sales Operations — verify European tax IDs for lead lists without manual searching.
- Financial Analysts — perform rapid audits of corporate tax data through natural language.
- Operations Leads — automate VAT data querying to orchestrate cross-functional global teams smoothly.
Built-in capabilities (3)
Check if the isvat API is operational
Verify if a European VAT number is valid
Verify multiple European VAT numbers
Why Windsurf?
Windsurf's Cascade agent chains multiple isvat tool calls autonomously. query data, analyze results, and generate code in a single agentic session. Paste Vinkius Edge URL, reload, and all 3 tools are immediately available. Real-time tool feedback appears inline, so you see API responses directly in your editor.
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Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention
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Purpose-built for agentic workflows. Cascade understands context across your entire codebase and integrates MCP tools natively
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JSON-based configuration means zero code changes: paste a URL, reload, and all 3 tools are immediately available
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Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts
isvat in Windsurf
Why run isvat with Vinkius?
The isvat connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 3 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect isvat using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
isvat and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect isvat to Windsurf through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
isvat for Windsurf
Every request between Windsurf and isvat is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
Which countries are supported?
isvat supports VAT validation for all countries within the European Union (EU).
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.
How does Windsurf discover MCP tools?
Windsurf reads the mcp_config.json file on startup and connects to each configured server via Streamable HTTP. Tools are listed in the MCP panel and available to Cascade automatically.
Can Cascade chain multiple MCP tool calls?
Yes. Cascade is an agentic system. it can plan and execute multi-step workflows, calling several tools in sequence to accomplish complex tasks without manual prompting between steps.
Does Windsurf support multiple MCP servers?
Yes. Add as many servers as needed in mcp_config.json. Each server's tools appear in the MCP panel and Cascade can use tools from different servers in a single flow.
Server not connecting
Check Settings → MCP for the server status. Try toggling it off and on.
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