Live integrationAI assistants · AI code editor
Tax answers you can trust in Windsurf
Connect Windsurf to GoodVat’s MCP server. Ask about VAT, GST and sales tax in plain words and get current, sourced answers — plus live EU VAT number checks. Free, with no account needed.
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- Included in every plan
- 140+ countries
- Filing by local partners
WindsurfWhat Windsurf can do with GoodVat
Connected- VAT and GST rates Available
- US sales tax Available
- Registration rules Available
- EU VAT numbers Available
- Invoicing rules Available
What Windsurf gains with GoodVat
Answers, not guesses
Windsurf looks up VAT, GST and US sales tax rules in GoodVat’s knowledge base instead of relying on what the model remembers.
Live VAT number checks
Ask Windsurf to verify an EU VAT number and it checks the official VIES register on the spot.
Nothing new to learn
Keep working in Windsurf as you do today. GoodVat is there whenever a question touches tax.
How it works
How Windsurf connects to GoodVat
- 01
Copy the server address
GoodVat’s MCP server lives at https://api.goodvat.com/mcp — free, no account or API key.
- 02
Add it to Windsurf
Add GoodVat as an MCP server in Windsurf’s Cascade settings.
- 03
Ask away
Ask tax questions as normal. Windsurf pulls answers from GoodVat instead of guessing.
What Windsurf can do with GoodVat
| Ask about | What GoodVat gives it |
|---|---|
| VAT and GST rates | Current rates by country and product type — standard, reduced and zero. |
| US sales tax | State rules, economic nexus thresholds and what counts toward them. |
| Registration rules | When you need to register, and how — OSS, IOSS and local schemes. |
| EU VAT numbers | A live check against the EU’s VIES register. |
| Invoicing rules | What a compliant invoice needs to show in each country. |
Who uses GoodVat with Windsurf
Founders with a quick question
“Do I need to register for VAT in Germany?” — answered in Windsurf, with sources.
Developers building tax logic
Look up the right rule while you build, instead of hard-coding a rate that changes next year.
Finance and support teams
Check a customer’s VAT number or a country’s rate without leaving Windsurf.
How tax answers work in Windsurf
- What Windsurf does on its own
- Windsurf’s Cascade agent writes and edits code for you.
- Where it falls short
- It can’t tell whether a VAT rate or threshold in your code is still current.
- What GoodVat adds
- GoodVat’s MCP server gives Windsurf current VAT, GST and US sales tax rules with sources, plus live EU VAT number checks. When you’re ready to collect and file, GoodVat’s compliance product takes over.
FAQ · Windsurf
Questions, answered
Every business is different. If your question isn’t here, ask a real person.
How do I connect Windsurf to GoodVat?
Add GoodVat as an MCP server in Windsurf’s Cascade settings. The server address is https://api.goodvat.com/mcp, and our setup guide walks through it step by step.
Is it free?
Yes. The GoodVat MCP server is free to use, with no account or API key needed.
What can Windsurf look up through GoodVat?
VAT and GST rates, US sales tax rules and nexus thresholds, registration rules and invoicing requirements — plus live EU VAT number checks against the official VIES register.
Does this replace an accountant?
No. It gives you fast, sourced answers so you understand your obligations. When you need registrations and filings handled, GoodVat’s compliance product and our local partners do that work.
Ready to automate tax with Windsurf?
Tell us about your business and we’ll get you connected — a real person replies within one business day.
