Vinkius

IBAN Validator MCP. Stop Guessing. Start Transacting with Accuracy.

The IBAN Bank Validator MCP instantly verifies international bank account numbers using strict Modulus 97 checksum math and country format rules. Stop relying on AI models that guess; this tool guarantees structural and mathematical accuracy, preventing failed cross-border payments.

IBAN Validator MCP is compatible with Claude Claude
IBAN Validator MCP is compatible with ChatGPT ChatGPT
IBAN Validator MCP is compatible with Cursor Cursor
IBAN Validator MCP is compatible with Gemini Gemini
IBAN Validator MCP is compatible with Windsurf Windsurf
IBAN Validator MCP is compatible with VS Code VS Code
IBAN Validator MCP is compatible with JetBrains JetBrains
IBAN Validator MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Check mathematical validity

Runs precise Modulus 97 calculations across the full account number to confirm its checksum integrity.

Verify international format rules

Checks if the provided IBAN meets the specific country-defined lengths and alphanumeric patterns.

Validate payment readiness

Determines if an account is ready for a cross-border transaction based on combined mathematical and structural rules.

Waiting for input…

AI Agent
IBAN Validator

What AI agents can do with IBAN Bank Validator with 1 Tool

Use this single tool to run precise mathematical and structural validation on any International Bank Account Number (IBAN) in your workflows.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using IBAN Bank Validator MCP

Validate Iban

Passes the full IBAN string, and the engine performs the Modulus 97 checksum calculation to verify its structural and mathematical validity.

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

IBAN Validator MCP is compatible with Claude

Claude AI

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 IBAN Validator integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with IBAN Bank Validator, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
IBAN Validator MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by IBAN Tools. 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.

VINKIUS CLOUD

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

Dealing with international payments means dealing with complex rules.

Right now, if you're processing client data or managing transfers, you know the drill. You get a list of IBANs that look right to the naked eye. But since LLMs are trained on general text patterns, they often guess at validation, leading to 'checksum failure' errors later down the line when the actual bank rejects the payment. This means time spent troubleshooting and, worse, lost funds.

With this MCP connected through Vinkius, your agent doesn't guess. It runs a definitive math calculation every single time an IBAN is passed into `validate_iban`. You get immediate confirmation that the number isn't just random text; it has successfully passed both mathematical and structural checks.

The validate_iban tool gives you absolute certainty on account numbers.

You stop having to manually verify country codes, check specific character lengths, or run complex Modulus 97 arithmetic in a separate terminal. Everything is contained and executed by the agent's internal tools.

It shifts your focus from data validation errors to actual business logic. You trust the output because it’s based on precise mathematical standards, not statistical language prediction.

What IBAN Validator MCP does for your AI

Processing international transfers demands absolute precision. Standard large language models can't perform the complex arithmetic needed to validate an IBAN—they often guess the validity, causing expensive payment failures when dealing with platforms like Stripe or Wise. This MCP fixes that gap by bringing rigorous banking validation right to your agent's workflow.

It first checks if the account number matches the country’s required length and pattern. Then, it runs exact Modulus 97 checksum calculations locally. When you connect this MCP via Vinkius, your AI client doesn't just read text; it executes definitive math to tell you if an IBAN is structurally sound and mathematically correct for a transfer.

You get the certainty needed before hitting 'send'.

Built · Hosted · Managed by Vinkius IBAN Validator - Check International Bank Account Numbers
Server ID 019e38ab-068c-70ba-9e90-aa38019bfeca
Vinkius Inspector
Compliance Grade F
Score 3.6/100
Vinkius Inspector Badge — Score 3.6/100

Frequently asked questions about IBAN Validator MCP

Does IBAN Bank Validator help with SWIFT codes? +

No, this MCP focuses specifically on validating the International Bank Account Number (IBAN). While it verifies account structure, you'll need a separate tool for full SWIFT/BIC code validation.

What is Modulus 97 math? +

Modulus 97 is a precise mathematical checksum algorithm used globally to verify that an IBAN is structurally and mathematically sound. This MCP executes this calculation accurately for you.

Can I use the validate_iban tool in my custom Python script? +

Yes, by connecting your environment via Vinkius, your agent can execute validate_iban directly within your code workflow, treating it like a native function call.

What happens if the IBAN is valid but for a different country? +

The MCP performs both format checking and checksum validation. If the structure or math doesn't match what's expected for that specific region, it will fail the check.

Is this validator faster than manual checks? +

Significantly. Instead of manually referencing country rules and performing calculations, the MCP runs both structural and mathematical checks in a single, instantaneous operation.