Bring Vat Validation
to Vercel AI SDK
Create your Vinkius account to connect isvat to Vercel AI SDK 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.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
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 Vercel AI SDK?
The Vercel AI SDK gives every isvat tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 3 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
- —
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
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Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same isvat integration everywhere
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Built-in streaming UI primitives let you display isvat tool results progressively in React, Svelte, or Vue components
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Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
isvat in Vercel AI SDK
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 Vercel AI SDK 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 Vercel AI SDK
Every request between Vercel AI SDK 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 the Vercel AI SDK connect to MCP servers?
Import createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.
Can I use MCP tools in Edge Functions?
Yes. The AI SDK is fully edge-compatible. MCP connections work on Vercel Edge Functions, Cloudflare Workers, and similar runtimes.
Does it support streaming tool results?
Yes. The SDK provides streaming primitives like useChat and streamText that handle tool calls and display results progressively in the UI.
createMCPClient is not a function
Install: npm install @ai-sdk/mcp
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