Vatlayer MCP for AI. Automate global tax compliance for the EU.
Works with every AI agent you already use
…and any MCP-compatible client








How this MCP server connects to your AI agent
Vatlayer validates EU VAT numbers against official registries and retrieves real-time tax rates for any member state. Use it to calculate prices compliant with global billing laws, guaranteeing your e-commerce checkout handles European taxation correctly.
What AI agents can do with Vatlayer Automation
Calculate price
Computes a final selling price, accurately adding the required VAT for a specific country and amount.
Get rate list
Fetches a complete dataset containing every available VAT rate across all EU countries.
Get rate
Retrieves the current standard or reduced VAT rate percentage for one specified EU member state.
Checks an inputted VAT number against official records to confirm its validity and retrieve the registered company details.
Fetches the current standard or reduced VAT rate for a single, specified EU member state using its country code.
Pulls a complete dataset containing all available VAT rates across every European Union member state.
Computes the total price, including required local VAT amounts, given an initial base amount and country of sale.
Ask an AI about this
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What AI agents can do with Vatlayer: 4 Tools for EU Tax Compliance
These four tools let your AI client validate VAT numbers, pull rate lists, and perform accurate, country-specific price calculations instantly.
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 Vatlayer on VinkiusCalculate Price
Computes a final selling price, accurately adding the required VAT for a specific country and amount.
Get Rate List
Fetches a complete dataset containing every available VAT rate across all EU...
Get Rate
Retrieves the current standard or reduced VAT rate percentage for one specified EU...
Validate Vat
Verifies an EU VAT number and returns the official registered company name and...
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Built on the Model Context Protocol (MCP) for Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 4 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
Tax compliance shouldn't require jumping between five different government websites., Solved with Vinkius AI Gateway
Right now, handling EU VAT is a manual mess. You start by checking if the vendor ID (the VAT number) is valid—that’s step one and it takes 30 seconds minimum just to verify the format. Then you need to check what rate applies based on the buyer's location, which means switching tabs, looking up country codes, and cross-referencing rates.
With this MCP server, your agent handles the whole flow. You simply ask: 'What is the total cost for this item in Finland?' It runs `validate_vat` first to confirm the parties involved, then it checks the rate list (`get_rate`) and finally uses `calculate_price` to give you one clean number.
Vatlayer MCP Server: Get accurate pricing in a single chat prompt.
The biggest time sink is the calculation loop. You get the base price, then you have to manually figure out the right rate (7%? 19%?), and then calculate the tax amount (Base * Rate = Tax) before adding it all up. It's slow, and one wrong number means a compliance headache.
Now, just run `calculate_price`. You feed in the base amount and the country code—that’s it. The server handles the rate fetching (`get_rate`) and the final math internally. The result is always compliant.
What your AI can actually do with this
Listen up. If you're shipping anything into the EU and don't want to get flagged by customs or hit with a massive billing error, this is what you need. This server connects your AI client straight into European tax compliance. It handles VAT validation and rate calculations across every single member state in the bloc.
Validate an EU Tax ID. You gotta start here. Use validate_vat when you get an order or a partner’s VAT number. The tool doesn't just check if it exists; it hits official registries, confirming the legitimacy of the full number and pulling back the registered company name and address details for solid verification.
Determine the right tax rate. You might need one rate, or you might need all of them. If you know the specific country code but only need the current standard or reduced VAT percentage, run get_rate. It gives you that precise single rate number immediately. But if you're building a universal checkout page and wanna make sure your system covers everything, use get_rate_list.
That tool dumps out a complete dataset of every available VAT rate across the entire European Union.
Calculate the final price. This is the payoff, right? Don't calculate this yourself. The calculate_price tool takes an initial base amount and a target country code, then it computes the total selling price after accurately adding the required local VAT. It handles all that complex billing math so you don't have to.
Here’s how these pieces fit together in your agent's workflow. You first use validate_vat on an incoming client number to confirm they are who they say they are and that their tax ID is real. Next, if you need the rate for a specific sale, you can either call get_rate with the country code or grab the full picture using get_rate_list to check against your internal ruleset.
When all validation passes and you've locked down the correct tax percentage, you run calculate_price. This tool ensures that whatever base amount you start with—whether it’s a product price or a service fee—the final number returned is fully compliant with European billing laws. You get the total price, including the precise VAT amount for sale in that specific country.
You don't guess on taxes; you use these tools. validate_vat confirms identity and location details. get_rate or get_rate_list gives you the necessary percentage. And calculate_price makes sure your checkout page is perfect, delivering a final price that works every time across all EU markets.
This means your AI client can automate complex compliance checks—stuff that used to require manual lookups and dedicated tax software—and just execute it as part of the natural conversation flow. It's fast. It's accurate. You just feed it the data, and the server spits out compliant numbers.
019ea60e-4c1e-736e-a33c-b45bfe02c42e Here's how it actually works
The bottom line is: you tell your agent what tax compliance problem you have, and it runs the necessary check using these tools.
Subscribe to this server on Vinkius and input your unique Vatlayer Access Key.
Pass the necessary parameters (like a VAT number, country code, or base amount) directly from your AI client's chat interface.
The agent invokes the correct tool (validate_vat, get_rate, etc.) which returns structured data—the validation result, rate percentage, or final price.
Who is this actually for?
Anyone dealing with cross-border sales in Europe needs this. We're talking e-commerce developers building checkout flows that fail without proper tax handling, or finance auditors who waste hours manually verifying vendor VAT IDs.
Integrates calculate_price into the cart system so customers never see a final price that's missing local taxes.
Runs validate_vat on incoming vendor invoices to quickly audit if tax IDs are valid before processing payments.
Uses the server to automate billing logic, ensuring that regional compliance rules (like IP-based rate determination) are enforced across all new platform features.
What Changes When You Connect
Finalize pricing correctly every time. Instead of manually applying taxes, run calculate_price and get a single, compliant total price immediately.
Stop dealing with invalid vendor IDs. Use validate_vat to check any VAT number instantly, confirming the company name and location before you audit anything.
Avoid rate guesswork. Need Germany's current tax rate? Call get_rate and get the exact percentage without opening a dozen browser tabs.
Scale compliance checks across all EU markets. Use get_rate_list to pull every possible VAT rate into your workflow, letting your agent compare them instantly.
Build location-aware billing. Pass an IP address to determine the correct tax rates automatically, making your platform genuinely global.
See it in action
A customer checks out from a new country.
The user is worried if their checkout process handles VAT correctly. They ask: 'What's the total cost for 50 units in Spain?' Your agent uses calculate_price, which returns the final, tax-inclusive amount instantly, giving the customer confidence and you compliance.
A vendor submits an invoice with a suspicious VAT ID.
The accounts team doesn't trust the number. They ask: 'Check this VAT ID: FR12345678901.' The agent calls validate_vat and confirms if it's real, providing the official company details right in the chat.
A developer needs to compare tax rates for a new product line.
Instead of checking Google or calling three different APIs, the dev asks: 'Give me all EU VAT rates.' The agent runs get_rate_list, providing a structured dump of every rate so they can code against it.
The billing logic needs to adapt based on location.
A request comes in for pricing from an unknown IP. You tell your agent: 'Determine the tax for this transaction using this IP address.' The server uses its localization tools and runs calculate_price with the correct, inferred rate.
The honest tradeoffs
Guessing rates manually
Typing into a spreadsheet and cross-referencing tax tables for every country. You miss reduced rates or outdated percentages.
Always use get_rate first to pull the current rate for that specific country. If you need many countries, run get_rate_list once.
Confusing validation with calculation
Calling validate_vat and assuming it tells you the final price. It only confirms if the number is real.
Validation checks identity; use calculate_price to perform actual math on a confirmed base amount.
Over-relying on general tax knowledge
Assuming that because Country X was in the EU, its VAT rules are always standardized. Tax law changes constantly.
Use get_rate or calculate_price. These tools pull real-time data and account for current regulatory status.
When It Fits, When It Doesn't
Use this server when financial accuracy is non-negotiable, especially involving EU cross-border transactions. If you need to verify a tax ID or calculate a final price based on geography, these tools are critical. Don't use it if your calculation is purely internal (e.g., calculating profit margin before taxes). Also, don't rely solely on get_rate for the end of a transaction; always follow up with calculate_price to ensure you get the final, compounded total.
Questions you might have
How do I check if a VAT number is valid using validate_vat? +
You pass the EU VAT number directly to validate_vat. It returns a structured object confirming its validity and giving you the official company name and address.
Do I need to use get_rate or calculate_price for my checkout? +
You should always run calculate_price at checkout. While get_rate gives you the percentage, calculate_price uses that rate to give you the final, total price amount.
What if I need VAT rates for more than one country? +
Use the get_rate_list tool. This pulls a full dataset of every available tax rate across all EU member states in one call, which is perfect for bulk auditing.
Does Vatlayer handle IP-based localization? +
Yes. You can pass custom IP addresses or client locations to the server, and it automatically determines the applicable VAT rates needed for your calculation.
If I try to use `validate_vat` with a number outside the EU scope, what happens? +
The tool validates against official EU formats and databases. If the VAT number doesn't match an EU member state or is invalidly formatted, it returns a failure status or specific error code. This prevents non-compliant data from entering your billing records.
How do I set up the server before running tools like `calculate_price`? +
You must subscribe to the Vinkius server and provide your unique Vatlayer Access Key. Your AI agent uses this key for every call, ensuring secure access to real-time tax data.
Can I use `get_rate` and then pass that result directly into `calculate_price`? +
Yes, you can chain these actions. First, run get_rate using the country code to retrieve the current VAT percentage. Then, feed that precise rate value into calculate_price for an accurate total.
What is the fastest way to get tax data for every EU country? +
Use the dedicated get_rate_list tool. This fetches a comprehensive set of VAT rates across all member states in one request, eliminating the need to call get_rate repeatedly for each nation.
How can I check if a specific EU VAT number is valid and active? +
Use the validate_vat tool by providing the VAT number (e.g., LU26375245). The agent will return the validation status along with company name and address details.
Can I get a complete list of VAT rates for all EU member states at once? +
Yes, simply run the get_rate_list tool. It will fetch the full set of VAT rates for all 28 EU member states in a single response.
How do I calculate a VAT-compliant price for a specific country? +
Use the calculate_price tool. Provide the base amount and the 2-letter country code. You can also specify a product type (like 'medical') to apply reduced rates if applicable.
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