NL Tax Calculator
Dutch tax calculators: net salary, 30% ruling, Box 3, visa salary norms, job loss, US-Dutch tax.
Connect it
Settings → Connectors → Add custom connector
URL: https://nltaxcalculator.nl/dutch-tax/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://nltaxcalculator.nl/dutch-tax/api/mcp{
"mcpServers": {
"dutch-tax": {
"url": "https://nltaxcalculator.nl/dutch-tax/api/mcp"
}
}
}claude mcp add --transport http dutch-tax https://nltaxcalculator.nl/dutch-tax/api/mcp{
"servers": {
"dutch-tax": {
"type": "http",
"url": "https://nltaxcalculator.nl/dutch-tax/api/mcp"
}
}
}7 tools, verified live
net_salary_netherlandsread-onlyGross-to-net salary in the Netherlands for 2026: income tax with the general and labour tax credits, optional 8% holiday allowance on top, the 30% ruling (with its salary norm and cap) and a pension contribution. Returns net per month and per year and the effective tax rate. Single employee below state pension age.
box3_wealth_taxread-onlyBox 3 tax on savings and investments in the Netherlands for 2026 (the notional-return system): the tax-free allowance, the notional return on savings, investments and debts, and the 36% tax. Optionally for fiscal partners (double allowance).
visa_salary_checkread-onlyChecks whether a salary meets the 2026 IND salary requirement for a Dutch highly skilled migrant (kennismigrant) permit or an EU Blue Card. Holiday allowance does not count; a 13th month counts only when paid monthly. Also checks the 30% ruling salary norm.
job_loss_plannerread-onlyFor an employee whose Dutch contract ends: the statutory transition payment (transitievergoeding), unemployment benefit (WW) amount and duration under UWV rules, and for expats the highly skilled migrant / Blue Card search period end date and the last start date for a new job to keep the 30% ruling.
dutch_tax_changes_2027read-onlyCompares income tax on a gross salary in 2026 with the Belastingplan 2027 proposal (presented on Prinsjesdag 2026, a proposal until Parliament votes): brackets and tax credits, and the 30% ruling dropping to 27% unless it started before 2024.
transfer_tax_netherlandsread-onlyOverdrachtsbelasting in 2026 when buying a home in the Netherlands: 2% for a home you live in, 0% for first-time buyers aged 18-34 up to a €555,000 price, 8% for other homes.
us_tax_for_americans_in_netherlandsread-onlyFor a US citizen or green-card holder with a Dutch salary: Dutch tax, the creditable part (AOW/Anw premiums are not creditable under the US-Dutch totalization agreement), and the US tax for 2026 under the Foreign Earned Income Exclusion and under the Foreign Tax Credit, incl. the child tax credit and its refundable part.
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