MCP server

NL Tax Calculator Official

nl.nltaxcalculator/dutch-tax

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

nltaxcalculator.nl (verified by the MCP Registry)

Status

Working at last check

Tools

31

Token cost

About 10,118 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.dutch-tax]
url = "https://nltaxcalculator.nl/dutch-tax/api/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"dutch-tax":{"type":"http","url":"https://nltaxcalculator.nl/dutch-tax/api/mcp"}}}

Antigravity

agy mcp add dutch-tax https://nltaxcalculator.nl/dutch-tax/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"dutch-tax","server_url":"https://nltaxcalculator.nl/dutch-tax/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"dutch-tax","server_url":"https://nltaxcalculator.nl/dutch-tax/api/mcp"}

Tools

• aow_state_pension ~184 tokens
  The Dutch state pension (AOW) from 1 July 2026 for a single person or someone with a partner: 2% of the full AOW for every insured year in the Netherlands in the 50 years before AOW age, gross and net a month, and the holiday allowance.
• arrival_departure_year_m_form ~281 tokens
  For the year someone arrives in or leaves the Netherlands (the M-form, migration tax return): the salary earned while resident, the Dutch tax on it with the tax credits for that part of the year, and the net pay a month during the resident period.
• benefits_toeslagen_check ~487 tokens
  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
• birth_parental_leave_pay Moves money · ~361 tokens
  Income during leave after a birth in the Netherlands (2026): maternity leave (UWV, 100% up to the daily wage cap), birth leave for the partner (1 week by the employer, up to 5 extra weeks at 70% from UWV) and paid parental leave (9 weeks at 70% from UWV), with what each parent receives and loses com
• box3_2028_actual_return_system ~370 tokens
  The planned new Dutch Box 3 (Wet werkelijk rendement, from 2028): tax on the actual return of the year (interest, dividends, price changes of investments incl. unrealised, rental income, minus interest and costs), compared with today's notional system. A plan; details can still change.
• box3_actual_return_estimate ~458 tokens
  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
• box3_wealth_tax ~238 tokens
  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).
• company_car_tax_netherlands ~258 tokens
  The yearly addition to income (bijtelling) for private use of a company car in the Netherlands in 2026, for electric and fuel cars (with the 60-month lock-in of an electric car's rate and cap from its first registration), and the extra income tax at the employee's marginal rate.
• dutch_tax_changes_2027 ~208 tokens
  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.
• dutch_tax_deadlines ~481 tokens
  The coming deadlines for someone in the Netherlands, from today: the income tax return, provisional assessments, the 30% ruling application window and its end, allowances (toeslagen) changes, health insurance switching, Box 3, pension (jaarruimte) and leaving the country.
• dutch_tax_figures ~214 tokens
  Looks up official Dutch tax figures for 2024, 2025 or 2026 with the source of each: tax brackets and rates, tax credits, Box 3 allowance and returns, the own home (eigenwoningforfait), the 30% ruling norm and cap, self-employed deductions, and for 2026 also allowances, NHG, the BV, visa salary norms
• dutch_term_explained ~218 tokens
  Explains Dutch terms from tax letters, job ads, housing, health and government (vakantiegeld, aanslag, toeslagen, eigen risico, jaarruimte, cao, ORT, IKB, WOZ, BSN, DigiD...). Job-ad terms are explained in 20 languages (en, nl, de, fr, pl, tr, ar, uk, ru, hi, ro, bg, it, es, pt, zh, el, hu, id, fa);
• employee_vs_zzp_vs_bv ~322 tokens
  For one yearly budget (what a client or employer pays, excl. VAT) in the Netherlands in 2026: the net income as an employee (the budget covers salary and employer costs), as a freelancer (ZZP, with the entrepreneur deductions) and through your own BV (salary at least the customary wage, corporate ta
• freelance_hourly_rate ~318 tokens
  The hourly rate a freelancer (ZZP) in the Netherlands needs in 2026 to take home a target net amount a month, after holidays, sick days and hours that can't be invoiced, business costs, the entrepreneur deductions, income tax and the Zvw contribution.
• freelancer_tax_netherlands ~317 tokens
  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
• gift_tax_netherlands ~327 tokens
  Gift tax in the Netherlands for 2026: the yearly exemption for children and others, the one-time raised exemption (general or for study) for a recipient aged 18-40, the rates per relationship and whether a gift tax return must be filed. The recipient pays; Dutch tax applies when the giver lives in t
• gross_salary_for_target_net ~214 tokens
  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.
• health_insurance_cost_netherlands ~283 tokens
  The yearly cost of basic health insurance in the Netherlands in 2026: premium (with the discount for a voluntary extra deductible), the deductible (eigen risico) actually paid for expected care costs, and the healthcare allowance (zorgtoeslag) for the income.
• income_tax_return_netherlands ~628 tokens
  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
• inheritance_tax_netherlands ~214 tokens
  Inheritance tax in the Netherlands for 2026 for one heir: the exemption for a partner, child, disabled child, grandchild, parent or anyone else, and the rates of each group. Due when the deceased lived in the Netherlands.
• job_loss_planner ~436 tokens
  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.
• marginal_rate_allowance_cliff ~305 tokens
  For a salary in the Netherlands in 2026: the allowances a household gets (healthcare and rent allowance, child budget), the net income including them, and the share of the next €1,000 of salary that is kept after extra income tax and lost allowances. Also lists the salary ranges where a raise is mos
• mortgage_netherlands ~382 tokens
  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
• net_salary_netherlands ~275 tokens
  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
• pension_annuity_room_jaarruimte ~297 tokens
  How much an employee or freelancer in the Netherlands may deposit into an annuity (lijfrente) or pension bank account in 2026 and deduct in Box 1: the jaarruimte from last year's income and factor A, unused room from earlier years (reserveringsruimte), and the tax the remaining room saves.
• rent_vs_buy_netherlands Moves money · ~470 tokens
  Compares the net cost of renting and of buying a home in the Netherlands over a number of years: rent with yearly increases and the return on the down payment if it stays invested (after Box 3), against mortgage payments, maintenance, the mortgage interest deduction and the equity built up.
• rsu_tax_netherlands ~317 tokens
  Tax on restricted stock units in the Netherlands: each vest is taxed as wages in Box 1 at the value on the vesting day (with or without the 30% ruling), and shares you keep fall into Box 3 the next year. Year by year, with sell-to-cover or keeping the shares.
• thirty_percent_ruling_timeline ~347 tokens
  Net income year by year for an employee with the Dutch 30% ruling: 30%, then 27% from 2027 for rulings that started in 2024 or later, the salary norm, the end of the ruling after five years, and Box 3 on Dutch and foreign assets (partial non-resident status only for rulings that started before 2024)
• transfer_tax_netherlands Moves money · ~203 tokens
  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 ~324 tokens
  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
• visa_salary_check ~381 tokens
  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.

Browse

• Website monitoring
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• Translation
• Government and public data

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