VIES Smoother
Validate EU VAT numbers with honest results and 100 free lookups
Connects to the EU VIES VAT validation service to verify VAT numbers for EU member states. Returns a clear valid, invalid, or unavailable result without guessing. Useful for businesses verifying customer tax IDs during checkout or compliance.
Try asking Muse: "Check if a customer's German VAT number is valid before processing their order"
Source: Found in the official MCP Registry (io.github.Lucrumist/vies-smoother) · First listed September 25, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
Sensitive: this app deals with your money. Only connect it if you are comfortable with Muse reading that information.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://vantane.com/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 500ms. Worked in 94.1% of checks over 30 days.
Screening · September 25, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 2
validate_vatValidate a single EU VAT number. Costs 1 credit unless upstream is unavailable and there's no cache (then it's free and honest about it). Args: country_code: 2-letter EU member state code (e.g. DE, FR, EL, XI). vat_number: The VAT number without the country prefix. validate_vat_batchValidate up to 50 EU VAT numbers in one call. 1 credit per item that gets a real answer (unavailable_upstream items are free). Args: items: list of {"country_code": str, "vat_number": str}, max 50. Recent checks
Link
https://vantane.com/mcpQuestions about VIES Smoother in Muse
How do I connect VIES Smoother to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use VIES Smoother to help me. It is a free service with an MCP server at https://vantane.com/mcp. It needs an API key from vantane.com; ask me to enter it through your secure credential prompt. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is VIES Smoother working right now?
At the last check (September 28, 2026, 07:30 UTC) the endpoint was working, answering in 500ms. Over the last 7 days it answered 94.1% of health checks. It is checked every 15 minutes.
Is VIES Smoother safe to connect to Muse?
It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can VIES Smoother do in Muse?
It exposes 2 tools, including validate_vat, validate_vat_batch. For example, you could ask Muse: "Check if a customer's German VAT number is valid before processing their order"
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<a href="https://musedirectory.ai/connector/vies-smoother"><img src="https://musedirectory.ai/badge/vies-smoother.svg" alt="VIES Smoother on musedirectory.ai" width="236" height="40"></a>