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NL Tax Calculator

nl.nltaxcalculator/dutch-tax · v1.1.0

Measured by MCP Station

Description written by the publisher, not verified

Dutch tax: net salary, full tax return, Box 3 and refunds, ZZP, mortgage, toeslagen, visa salary.

Connect

claude mcp add --transport http dutch-tax https://nltaxcalculator.nl/dutch-tax/api/mcp

{
  "mcpServers": {
    "dutch-tax": {
      "url": "https://nltaxcalculator.nl/dutch-tax/api/mcp"
    }
  }
}

Tools as reported by the server

• net_salary_netherlands
  Gross-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 st
• box3_wealth_tax
  Box 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_check
  Checks 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_planner
  For 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_2027
  Compares 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_netherlands
  Overdrachtsbelasting 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_netherlands
  For 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 an
• income_tax_return_netherlands
  Estimates the whole 2026 Dutch income tax return: Box 1 salary tax with the tax credits and the 30% ruling, the own home (eigenwoningforfait and mortgage interest, with the best split between fiscal partners), Box 3 on savings and investments, and tax-treaty relief for real estate abroad (exempt in
• freelancer_tax_netherlands
  Estimates 2026 Dutch income tax for a self-employed person (ZZP / eenmanszaak) from yearly revenue and business costs: profit, the self-employed deduction (1,225-hour criterion), starters deduction, SME profit exemption, tax credits, the separate income-related healthcare contribution (Zvw) and the
• mortgage_netherlands
  For buying a home in the Netherlands in 2026: an indicative maximum mortgage on income, the monthly annuity payment, the first-year mortgage interest deduction worked out with the real Box 1 calculation (eigenwoningforfait, the deduction capped at the second-bracket rate), net monthly cost and wheth
• benefits_toeslagen_check
  Estimates which main Dutch household benefits are likely for 2026, from income, assets, rent and children's ages, with indicative yearly amounts. Read-only; it does not apply for anything, and the Belastingdienst decides eligibility. Covers healthcare allowance (zorgtoeslag), rent allowance (huurtoe
• box3_actual_return_estimate
  When the actual return on Box 3 assets was lower than the notional return, the Belastingdienst taxes the actual return instead (following the Supreme Court rulings). For one tax year from 2017 to 2026 this compares the notional Box 3 tax with the tax on the actual return (interest, dividends, rent a
• gross_salary_for_target_net
  Reverse salary calculation for salary negotiations in the Netherlands (2026): the gross annual and monthly salary needed to take home a given net amount, with or without holiday allowance and the 30% ruling.

Tool changes

• 2026-10-19: net_salary_netherlands, box3_wealth_tax, visa_salary_check, job_loss_planner, dutch_tax_changes_2027, transfer_tax_netherlands, us_tax_for_americans_in_netherlands, income_tax_return_netherlands, freelancer_tax_netherlands, mortgage_netherlands, benefits_toeslagen_check, box3_actual_return_estimate
• 2026-10-17: net_salary_netherlands, box3_wealth_tax, visa_salary_check, job_loss_planner, dutch_tax_changes_2027, transfer_tax_netherlands, us_tax_for_americans_in_netherlands

Website · JSON · Text for agents · Registry updated 2026-10-18