uk.co.taptax/taptax

Est-ce que uk.co.taptax/taptax est sûr ?

Au dernier audit MCP Hub, le serveur MCP « uk.co.taptax/taptax » est classé « Non encore testé ». Référencé dans l'annuaire. Seul le pentest comportemental fait foi, et il n'a pas encore été exécuté sur ce serveur. Le verdict est réévalué en continu ; consultez la fiche pour l'état à jour.

Méthode : MCP Hub analyse la description de chaque outil (couche 1) et, pour le verdict fort, exécute le serveur dans une micro-VM isolée avec leurres et réseau bloqué (couche 2). On publie des noms et des compteurs, jamais le contenu brut renvoyé par un outil.

Les 49 outils

• add_transaction≈ 822 tokens

  Record a business income or expense in the signed-in person's TapTax, such as a receipt or a payment. The category is the HMRC self-employment box it belongs in. The same entry added twice within 10 minutes is recorded once.

  Paramètres, retour & exemple (6)

  Paramètres

  • date · string · requis
    The date on the receipt or of the payment
  • type · string · requis · income | expense
  • amount · number · requis
    In pounds, VAT included
  • category · string · requis · costOfGoods | constructionIndustryScheme | staffCosts | travelCosts | premisesRunningCosts | maintenanceCosts | adminCosts | advertisingCosts
    For an expense, its HMRC self-employment box (SA103F): costOfGoods: materials, parts and stock used in the work or sold on, e.g. trade and building suppliers such as Screwfix, Toolstation, City Electrical Factors, Edmundson Electrical, Travis Perkins, Wickes; constructionIndustryScheme: payments to subcontractors under the Construction Industry Scheme; staffCosts: wages, salaries and pension contributions for employees, and payments to non-CIS subcontractors; travelCosts: car, van and travel: fuel, vehicle insurance, servicing and repairs, road tax, parking, tolls, public transport and taxi fares, and hotels and meals on overnight business trips; premisesRunningCosts: rent, business rates, power, heating, water, insurance and security for business premises (never vehicles); maintenanceCosts: repairs and maintenance of business premises, machinery and equipment; adminCosts: phone, broadband, postage, stationery, printing, small office items, and software and app subscriptions such as accounting or tax software (TapTax, Xero, QuickBooks); advertisingCosts: advertising, marketing and website costs; businessEntertainmentCosts: entertaining clients or customers; interest: interest on business loans and overdrafts; financialCharges: bank, overdraft, card and payment-processing charges; badDebt: money owed to the business that will not be paid and was counted as income; professionalFees: accountants, solicitors and other professional fees, and professional indemnity insurance; depreciation: depreciation of equipment (rare in a bank transaction); other: other allowable business costs, e.g. protective clothing, trade and professional body memberships, public liability insurance. For income: turnover (sales and fees) or other (other business income).
  • personal · boolean · optionnel
    True for a personal (non-business) payment
  • description · string · requis
    Supplier or client, and what it was for

  Exemple d'appel

  {"name": "add_transaction", "arguments": {"date": "texte", "type": "income", "amount": 1, "category": "costOfGoods", "description": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_capital_gains_tax≈ 432 tokens

  Calculate UK Capital Gains Tax on selling an asset (residential property, shares, a business qualifying for Business Asset Disposal Relief, or other assets) for a tax year: the gain after costs, losses and the annual exempt amount, tax at each rate given other income, and the payment deadline.

  Paramètres, retour & exemple (8)

  Paramètres

  • losses · number · optionnel
    Capital losses to offset
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • proceeds · number · requis
    Sale proceeds
  • assetType · string · requis · residential | shares | badr | other
    badr: Business Asset Disposal Relief
  • costBasis · number · requis
    What the asset cost
  • otherIncome · number · optionnel
    Taxable income in the year, which sets the rate
  • disposalDate · string · optionnel
    Disposal date; only matters in 2024-25, when rates changed on 30 October 2024
  • allowableCosts · number · optionnel
    Costs of buying, improving and selling

  Exemple d'appel

  {"name": "calculate_capital_gains_tax", "arguments": {"proceeds": 1, "assetType": "residential", "costBasis": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_child_benefit_charge≈ 263 tokens

  Calculate the High Income Child Benefit Charge on an adjusted net income and the Child Benefit received in a tax year: the charge, the benefit kept, and the income the charge starts from.

  Paramètres, retour & exemple (3)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • adjustedNetIncome · number · requis
    The higher earner's adjusted net income for the year
  • annualChildBenefit · number · requis
    Child Benefit received in the year

  Exemple d'appel

  {"name": "calculate_child_benefit_charge", "arguments": {"adjustedNetIncome": 1, "annualChildBenefit": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_cis_deduction≈ 366 tokens

  Calculate the Construction Industry Scheme deduction on a payment (labour only, materials excluded) at the registered, unregistered or gross-payment rate, the amount received, and whether the year's deductions are likely to be more or less than the tax actually due.

  Paramètres, retour & exemple (6)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • expenses · number · optionnel
    Expected business expenses for the year
  • cisStatus · string · requis · registered | unregistered | gross
    registered (20%), unregistered (30%) or gross payment status (0%)
  • annualIncome · number · optionnel
    Expected self-employed income for the year
  • grossPayment · number · requis
    The payment before deduction
  • materialsAmount · number · optionnel
    Part of the payment that is materials

  Exemple d'appel

  {"name": "calculate_cis_deduction", "arguments": {"cisStatus": "registered", "grossPayment": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_contractor_day_rate≈ 354 tokens

  Turn a contractor day rate into annual and monthly income, an hourly equivalent, and take-home pay as a sole trader, through a company outside IR35 and inside IR35, with the best route and the PAYE salary that would take home as much, for a tax year.

  Paramètres, retour & exemple (6)

  Paramètres

  • dayRate · number · requis
    Day rate charged
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • hoursPerDay · number · optionnel
    Hours in a working day; defaults to 7.5
  • billableDays · number · requis
    Days billed in a year after holidays, sickness and gaps
  • accountancyCost · number · optionnel
    Accountancy cost a year
  • businessExpenses · number · optionnel
    Business expenses a year

  Exemple d'appel

  {"name": "calculate_contractor_day_rate", "arguments": {"dayRate": 1, "billableDays": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_corporation_tax≈ 208 tokens

  Calculate UK corporation tax on a company's taxable profit for a tax year, including marginal relief between the small profits and main rates, with profit after tax and the effective rate.

  Paramètres, retour & exemple (2)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • taxableProfit · number · requis
    Company's taxable profit for the year

  Exemple d'appel

  {"name": "calculate_corporation_tax", "arguments": {"taxableProfit": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_dividend_tax≈ 236 tokens

  Calculate UK tax on dividends for a tax year, given the dividends and other income: the dividend allowance, tax at the basic, higher and additional dividend rates, and the effective rate.

  Paramètres, retour & exemple (3)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • otherIncome · number · optionnel
    Other taxable income, such as a salary
  • dividendIncome · number · requis
    Dividends received in the year

  Exemple d'appel

  {"name": "calculate_dividend_tax", "arguments": {"dividendIncome": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_gross_salary_for_take_home≈ 328 tokens

  Work out the gross UK salary needed to take home a given amount a year after income tax, employee National Insurance, student loan and a pension percentage, for a tax year (net to gross).

  Paramètres, retour & exemple (5)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • pensionPercent · number · optionnel
    Employee pension as a percentage of gross, e.g. 5
  • targetTakeHome · number · requis
    Take-home pay wanted a year, in pounds
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)

  Exemple d'appel

  {"name": "calculate_gross_salary_for_take_home", "arguments": {"targetTakeHome": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_invoice_due_date≈ 323 tokens

  Calculate the date an invoice is due from its date and the payment terms (on receipt, a number of days, end of month, days after month end, a day of the following month, or the statutory 30-day default), with the weekday and whether the terms exceed the statutory limit.

  Paramètres, retour & exemple (5)

  Paramètres

  • days · integer · optionnel
    Days, for net and net-end-of-month terms
  • terms · string · requis · on-receipt | net | end-of-month | net-end-of-month | day-of-following-month | statutory-default
    The payment terms
  • customer · string · optionnel · business | public-authority
  • dayOfMonth · integer · optionnel
    Day, for day-of-following-month terms
  • invoiceDate · string · requis
    Invoice date, or the day the customer received it (YYYY-MM-DD)

  Exemple d'appel

  {"name": "calculate_invoice_due_date", "arguments": {"terms": "on-receipt", "invoiceDate": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_late_payment_interest≈ 257 tokens

  Calculate the statutory interest (Bank of England base rate plus 8%) and fixed compensation a business can claim on a late-paid commercial invoice under the Late Payment of Commercial Debts Act, from the amount, the due date and the payment date.

  Paramètres, retour & exemple (3)

  Paramètres

  • amount · number · requis
    Unpaid invoice amount, VAT included if charged
  • paidOn · string · optionnel
    The day it was paid; defaults to today
  • dueDate · string · requis
    The last day payment was due

  Exemple d'appel

  {"name": "calculate_late_payment_interest", "arguments": {"amount": 1, "dueDate": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_markup≈ 176 tokens

  Calculate the selling price, profit and the equivalent profit margin from a cost and a markup percentage.

  Paramètres, retour & exemple (2)

  Paramètres

  • cost · number · requis
    Cost of the item or job
  • markupPercent · number · requis
    Markup on cost, as a percentage

  Exemple d'appel

  {"name": "calculate_markup", "arguments": {"cost": 1, "markupPercent": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_mileage_allowance≈ 294 tokens

  Calculate the tax-free business mileage allowance for a year at HMRC's approved mileage rates for a car or van, motorcycle or bicycle, including the passenger rate, and the tax it saves at the basic or higher rate.

  Paramètres, retour & exemple (5)

  Paramètres

  • taxBand · string · optionnel · basic | higher
    Income tax band, for the saving; defaults to basic
  • vehicleType · string · optionnel · car | motorcycle | bicycle
    Defaults to car (cars and vans)
  • passengerTrips · integer · optionnel
    Business trips with a passenger
  • annualBusinessMiles · number · requis
    Business miles in the year
  • averageMilesPerPassengerTrip · number · optionnel

  Exemple d'appel

  {"name": "calculate_mileage_allowance", "arguments": {"annualBusinessMiles": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_pension_tax_relief≈ 332 tokens

  Compare a self-employed person's tax with their current and a higher personal pension contribution in a tax year: the basic-rate relief added to the pension, the reduction in the tax bill, and the net cost of the extra contribution.

  Paramètres, retour & exemple (5)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • grossIncome · number · requis
    Self-employed income before expenses
  • businessExpenses · number · optionnel
    Allowable business expenses
  • targetPensionContribution · number · requis
    Personal pension contributions planned, a year
  • currentPensionContribution · number · optionnel
    Personal pension contributions now, a year

  Exemple d'appel

  {"name": "calculate_pension_tax_relief", "arguments": {"grossIncome": 1, "targetPensionContribution": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_pro_rata_salary≈ 355 tokens

  Work out a part-time salary from the full-time salary and the hours or days worked compared with full time, with the take-home pay on the pro rata salary for a tax year.

  Paramètres, retour & exemple (6)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • actualUnits · number · requis
    Hours (or days) actually worked a week, in the same unit
  • fullTimeUnits · number · requis
    Full-time hours (or days) a week, e.g. 37.5
  • fullTimeSalary · number · requis
    Full-time annual salary
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)

  Exemple d'appel

  {"name": "calculate_pro_rata_salary", "arguments": {"actualUnits": 1, "fullTimeUnits": 1, "fullTimeSalary": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_profit_margin≈ 202 tokens

  Calculate the profit margin and markup from a cost and a selling price, or the selling price needed for a target margin.

  Paramètres, retour & exemple (3)

  Paramètres

  • cost · number · requis
    Cost of the item or job
  • price · number · optionnel
    Selling price
  • targetMarginPercent · number · optionnel
    Margin wanted, as a percentage of price

  Exemple d'appel

  {"name": "calculate_profit_margin", "arguments": {"cost": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_rental_income_tax≈ 293 tokens

  Calculate UK income tax on rental profit for a landlord in a tax year, given rent, allowable expenses, mortgage interest (relieved as a 20% tax credit) and other income.

  Paramètres, retour & exemple (5)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • grossRent · number · requis
    Rent received in the year
  • otherIncome · number · optionnel
    Other taxable income
  • allowableExpenses · number · optionnel
    Allowable expenses, not mortgage interest
  • mortgageInterestPaid · number · optionnel
    Mortgage interest paid

  Exemple d'appel

  {"name": "calculate_rental_income_tax", "arguments": {"grossRent": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_salary_sacrifice≈ 476 tokens

  Compare pay before and after a salary sacrifice for a pension or an electric company car: income tax, National Insurance and student loan saved, employer National Insurance saved and passed back, benefit-in-kind tax for a car, the drop in take-home pay, and for a pension the cost per pound added and the saving against paying in from net pay.

  Paramètres, retour & exemple (8)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • grossSalary · number · requis
    Gross annual salary before the sacrifice
  • carP11dValue · number · optionnel
    List (P11D) value of the car; electric car only
  • sacrificeType · string · requis · pension | ev-car
    pension, or ev-car for an electric car scheme
  • sacrificeAmount · number · requis
    Amount given up from gross pay each year
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)
  • employerNIPassback · number · optionnel
    Share (0 to 1) of the employer NI saving added to the pension; pension only

  Exemple d'appel

  {"name": "calculate_salary_sacrifice", "arguments": {"grossSalary": 1, "sacrificeType": "pension", "sacrificeAmount": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_savings_interest_tax≈ 274 tokens

  Calculate UK tax on savings interest for a tax year, given the interest, any tax already deducted and other income: the starting rate for savings, the Personal Savings Allowance and the tax due.

  Paramètres, retour & exemple (4)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • otherIncome · number · optionnel
    Other taxable income
  • grossInterest · number · requis
    Savings interest in the year
  • taxDeductedAtSource · number · optionnel
    Tax already deducted from the interest

  Exemple d'appel

  {"name": "calculate_savings_interest_tax", "arguments": {"grossInterest": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_stamp_duty≈ 376 tokens

  Calculate the tax on buying property: Stamp Duty Land Tax in England and Northern Ireland, Land and Buildings Transaction Tax in Scotland or Land Transaction Tax in Wales, by band, with first-time buyer relief, the additional property surcharge and the non-resident surcharge where they apply.

  Paramètres, retour & exemple (9)

  Paramètres

  • price · number · requis
    Purchase price
  • company · boolean · optionnel
    True when a company is buying
  • country · string · optionnel · england-or-northern-ireland | scotland | wales
    Where the property is; defaults to England or Northern Ireland
  • ukResident · boolean · optionnel
    False adds the non-resident surcharge (England and NI)
  • propertyUse · string · optionnel · residential | non-residential | mixed
  • completionDate · string · optionnel
    Completion date; defaults to today
  • firstTimeBuyer · boolean · optionnel
  • replacingMainResidence · boolean · optionnel
  • ownsOtherResidentialProperty · boolean · optionnel
    Drives the additional property surcharge

  Exemple d'appel

  {"name": "calculate_stamp_duty", "arguments": {"price": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_student_loan_repayment≈ 235 tokens

  Calculate yearly, monthly and weekly UK student loan repayments on an income for a repayment plan (Plan 1, 2, 4 or the postgraduate loan) in a tax year.

  Paramètres, retour & exemple (3)

  Paramètres

  • plan · string · requis · plan1 | plan2 | plan4 | postgrad
    Repayment plan
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • annualIncome · number · requis
    Income a year that repayments are taken from

  Exemple d'appel

  {"name": "calculate_student_loan_repayment", "arguments": {"plan": "plan1", "annualIncome": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_take_home_pay≈ 346 tokens

  Calculate take-home pay from a UK salary for a tax year: income tax by band (England, Wales and Northern Ireland, or Scotland), employee National Insurance, student loan repayment and pension contributions, with yearly, monthly and weekly take-home and the employer National Insurance and total cost to the employer.

  Paramètres, retour & exemple (5)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • grossSalary · number · requis
    Gross annual salary in pounds
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)
  • pensionContributions · number · optionnel
    Employee pension contributions a year, in pounds

  Exemple d'appel

  {"name": "calculate_take_home_pay", "arguments": {"grossSalary": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_tax_on_multiple_incomes≈ 445 tokens

  Calculate the combined UK tax on income from several sources in one tax year (employment, self-employment, rental profit, dividends and savings interest), allowing for PAYE tax already deducted: income tax, National Insurance, student loan, what is left to pay and take-home.

  Paramètres, retour & exemple (9)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • employment · number · optionnel
    Employment income (salary)
  • rentalProfit · number · optionnel
    Rental profit
  • dividendIncome · number · optionnel
    Dividends
  • selfEmployment · number · optionnel
    Self-employed profit
  • payeTaxDeducted · number · optionnel
    Income tax already deducted through PAYE
  • savingsInterest · number · optionnel
    Savings interest
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • pensionContributions · number · optionnel
    Personal pension contributions

  Exemple d'appel

  {"name": "calculate_tax_on_multiple_incomes", "arguments": {"taxYear": "2026-27", "employment": 1, "rentalProfit": 1, "dividendIncome": 1, "selfEmployment": 1, "payeTaxDeducted": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• calculate_vat≈ 210 tokens

  Add VAT to a net price or take it out of a gross price at the standard (20%), reduced (5%) or any other rate, with the net, VAT and gross amounts.

  Paramètres, retour & exemple (3)

  Paramètres

  • amount · number · requis
    The price
  • direction · string · requis · add | remove
    add: the amount is net; remove: the amount includes VAT
  • ratePercent · number · optionnel
    VAT rate as a percentage; defaults to 20

  Exemple d'appel

  {"name": "calculate_vat", "arguments": {"amount": 1, "direction": "add"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• check_mtd_status≈ 200 tokens

  Say whether and when Making Tax Digital for Income Tax applies to someone, from their qualifying income: self-employment turnover plus property income, before expenses, as on their Self Assessment return. Employment and pension income do not count.

  Paramètres, retour & exemple (2)

  Paramètres

  • propertyIncome · number · optionnel
  • selfEmploymentTurnover · number · requis

  Exemple d'appel

  {"name": "check_mtd_status", "arguments": {"selfEmploymentTurnover": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• check_tax_code≈ 439 tokens

  Check whether a UK PAYE tax code (e.g. 1257L, BR, K475, 1257L W1/M1) looks right for a salary and circumstances, explain what it means, and estimate any over- or under-payment. Flat-rate codes (BR, D0, D1) are only judged when hasMultipleJobs is known; without it the verdict is needs_info. Returns a verdict tier; refund figures are estimates, not amounts owed.

  Paramètres, retour & exemple (11)

  Paramètres

  • taxCode · string · requis
    The code as printed on a payslip or P45
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25 | 2023-24 | 2022-23
    Tax year the code applies to; defaults to the current one
  • scotland · boolean · optionnel
    True for a Scottish taxpayer
  • grossSalary · number · requis
    Annual gross pay from this job, in pounds
  • monthsOnCode · integer · optionnel
    For emergency codes: how many monthly payslips were paid on it so far
  • hasCompanyCar · boolean · optionnel
  • hasMultipleJobs · boolean · optionnel
    Whether the person has another job or pension; omitted when unknown
  • hasPrivateMedical · boolean · optionnel
  • hasMarriageAllowance · boolean · optionnel
  • receivesStatePension · boolean · optionnel
  • marriageAllowanceDirection · string · optionnel · transferring | receiving

  Exemple d'appel

  {"name": "check_tax_code", "arguments": {"taxCode": "texte", "grossSalary": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• check_vat_registration≈ 321 tokens

  Check whether a turnover is over the UK VAT registration threshold for a tax year, and compare VAT payable under the standard scheme with the Flat Rate Scheme for the business's sector rate, including the first-year discount, with the cheaper scheme and the difference.

  Paramètres, retour & exemple (5)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • annualTurnover · number · requis
    VAT taxable turnover over 12 months
  • flatRatePercent · number · optionnel
    Flat Rate Scheme percentage for the sector, e.g. 14.5 for IT consultancy
  • vatablePurchases · number · optionnel
    Purchases with VAT a year
  • firstYearOfVatRegistration · boolean · optionnel

  Exemple d'appel

  {"name": "check_vat_registration", "arguments": {"annualTurnover": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• check_vat_reverse_charge≈ 262 tokens

  Work out whether the domestic VAT reverse charge for construction services applies to an invoice, by HMRC's decision steps. Takes the yes or no answers known so far and returns the next question to answer, or the outcome with what the invoice must say.

  Paramètres, retour & exemple (1)

  Paramètres

  • answers · object · optionnel
    Answers so far, keyed by question id: supplier-vat, construction-service, vat-rate, employment-business, customer-vat, customer-cis, end-user, five-percent

  Exemple d'appel

  {"name": "check_vat_reverse_charge", "arguments": {"answers": {}}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• compare_inside_and_outside_ir35≈ 316 tokens

  Compare a contractor's take-home pay working inside IR35 (deemed employment payment, employer National Insurance) with working outside IR35 through a limited company, from the day rate and working days, for a tax year. It compares pay; it does not decide IR35 status.

  Paramètres, retour & exemple (5)

  Paramètres

  • dayRate · number · requis
    Day rate charged
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • workingDays · number · requis
    Days worked in the year
  • accountancyCost · number · optionnel
    Accountancy cost a year
  • businessExpenses · number · optionnel
    Business expenses a year

  Exemple d'appel

  {"name": "compare_inside_and_outside_ir35", "arguments": {"dayRate": 1, "workingDays": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• compare_limited_company_and_sole_trader≈ 266 tokens

  Compare take-home pay as a sole trader with running the same profit through a limited company (salary plus dividends, corporation tax and accountancy cost) for a tax year, with the annual difference and an approximate break-even profit.

  Paramètres, retour & exemple (3)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • annualProfit · number · requis
    Business profit a year
  • accountancyCost · number · optionnel
    Extra accountancy cost of a company a year; defaults to 2000

  Exemple d'appel

  {"name": "compare_limited_company_and_sole_trader", "arguments": {"annualProfit": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• compare_salary_and_dividends≈ 260 tokens

  For a limited company director, work out take-home pay from a chosen salary plus dividends paid from the remaining profit after employer National Insurance and corporation tax, with every tax and the effective rate, for a tax year.

  Paramètres, retour & exemple (3)

  Paramètres

  • salary · number · requis
    Director's salary for the year
  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • companyProfitBeforeSalary · number · requis
    Company profit before the director's salary

  Exemple d'appel

  {"name": "compare_salary_and_dividends", "arguments": {"salary": 1, "companyProfitBeforeSalary": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• convert_hourly_rate_to_salary≈ 343 tokens

  Convert an hourly rate to the annual salary it adds up to for the hours a week and paid weeks a year given, with take-home pay on that salary for a tax year.

  Paramètres, retour & exemple (6)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • hourlyRate · number · requis
    Gross pay per hour
  • hoursPerWeek · number · requis
    Hours worked a week
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • paidWeeksPerYear · number · optionnel
    Paid weeks a year; defaults to 52 (holiday is paid)
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)

  Exemple d'appel

  {"name": "convert_hourly_rate_to_salary", "arguments": {"hourlyRate": 1, "hoursPerWeek": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• convert_salary_to_hourly_rate≈ 337 tokens

  Convert an annual salary to its gross hourly rate and the take-home pay per hour, for the hours a week and paid weeks a year given, in a tax year.

  Paramètres, retour & exemple (6)

  Paramètres

  • taxYear · string · optionnel · 2026-27 | 2025-26 | 2024-25
    UK tax year, e.g. "2026-27". Defaults to the current one.
  • annualSalary · number · requis
    Gross annual salary
  • hoursPerWeek · number · requis
    Hours worked a week
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
    Student loan plan, if any (plan4 is Scotland, postgrad the postgraduate loan)
  • paidWeeksPerYear · number · optionnel
    Paid weeks a year; defaults to 52
  • scottishTaxpayer · boolean · optionnel
    True for a Scottish taxpayer (Scottish bands)

  Exemple d'appel

  {"name": "convert_salary_to_hourly_rate", "arguments": {"annualSalary": 1, "hoursPerWeek": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• create_invoice≈ 524 tokens

  Create and save a draft invoice in the signed-in person's TapTax account from a client name and one or more line items. No saved client, earlier invoice or client email is needed to create it; an email is only needed later, to send it. It is numbered in their sequence, uses their saved business details, and is not sent. Free plans include 3 invoices; paid plans are unlimited.

  Paramètres, retour & exemple (9)

  Paramètres

  • items · array · requis
  • notes · string · optionnel
  • dueDate · string · optionnel
    Exact due date; otherwise dueInDays applies
  • dueInDays · integer · optionnel
    Payment terms in days when no dueDate is given (0 = due on receipt)
  • issueDate · string · optionnel
    Defaults to today
  • clientName · string · requis
  • clientEmail · string · optionnel
    The client email; required to send the invoice
  • clientAddress · string · optionnel
  • vatRatePercent · number · optionnel
    VAT rate for a VAT-registered business, e.g. 20

  Exemple d'appel

  {"name": "create_invoice", "arguments": {"items": [], "clientName": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• estimate_self_assessment_penalties≈ 284 tokens

  Estimate Self Assessment late filing penalties, late payment penalties and late payment interest on the tax due, from how many days late the return was filed and the tax was paid.

  Paramètres, retour & exemple (4)

  Paramètres

  • taxDue · number · requis
    Tax due on the return
  • filingDaysLate · integer · requis
    Days after the filing deadline the return was filed
  • paymentDaysLate · integer · requis
    Days after the payment deadline the tax was paid
  • annualInterestRatePercent · number · optionnel
    HMRC's late payment interest rate a year; defaults to 7.75

  Exemple d'appel

  {"name": "estimate_self_assessment_penalties", "arguments": {"taxDue": 1, "filingDaysLate": 1, "paymentDaysLate": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• estimate_self_employed_tax≈ 473 tokens

  Estimate UK income tax and Class 4 National Insurance for a sole trader from turnover and allowable expenses, with the take-home figure, effective and marginal rates, payments on account and tailored tips, from HMRC's published rates for the tax year. Works from the figures given, without a TapTax account.

  Paramètres, retour & exemple (8)

  Paramètres

  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27
    UK tax year, e.g. "2026-27" (6 April 2026 to 5 April 2027). Defaults to the current one.
  • expenses · number · optionnel
    Allowable business expenses, in pounds (excluding mileage if businessMiles is given)
  • turnover · number · requis
    Self-employed income before expenses, in pounds
  • otherIncome · number · optionnel
    Other taxable income such as a salary or pension, in pounds
  • businessMiles · number · optionnel
    Business miles driven in a car or van, claimed at the approved mileage rate
  • studentLoanPlan · string · optionnel · none | plan1 | plan2 | plan4 | postgrad
  • taxDeductedAtSource · number · optionnel
    Tax already paid through PAYE or CIS deductions this year
  • pensionContributions · number · optionnel
    Personal pension contributions paid (relief at source), in pounds

  Exemple d'appel

  {"name": "estimate_self_employed_tax", "arguments": {"turnover": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• generate_invoice_numbers≈ 313 tokens

  Generate invoice numbers: the next number after a given one (keeping its prefix and zero padding), or a run of numbers in a chosen format (prefix, separator, optional year or month, number of digits) from a starting number.

  Paramètres, retour & exemple (7)

  Paramètres

  • count · integer · optionnel
    How many; defaults to 1
  • start · integer · optionnel
    First number; defaults to 1
  • digits · integer · optionnel
    Digits in the number; defaults to 4
  • prefix · string · optionnel
    Letters, numbers and single hyphens, e.g. INV
  • datePart · string · optionnel · none | YYYY | YY | YYYYMM | YYMM
  • separator · string · optionnel · - | / | . |
  • lastNumber · string · optionnel
    The last number used, e.g. INV-0041

  Exemple d'appel

  {"name": "generate_invoice_numbers", "arguments": {"count": 1, "start": 1, "digits": 1, "prefix": "texte", "datePart": "none", "separator": "-"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• get_mileage_summary≈ 136 tokens

  Read the signed-in person's own mileage log in their TapTax account for a tax year: total miles, the deductible amount at the approved rates, and the most recent trips.

  Paramètres, retour & exemple (1)

  Paramètres

  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27

  Exemple d'appel

  {"name": "get_mileage_summary", "arguments": {"taxYear": "2024-25"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• get_mtd_deadlines≈ 151 tokens

  List the standard Making Tax Digital quarterly update periods and deadlines for a tax year, and which one is next. Updates are cumulative from 6 April.

  Paramètres, retour & exemple (1)

  Paramètres

  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27
    Defaults to the current tax year

  Exemple d'appel

  {"name": "get_mtd_deadlines", "arguments": {"taxYear": "2024-25"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• get_tax_position≈ 214 tokens

  Read the signed-in person's own TapTax account: their tax year so far, as their dashboard shows it: business income, expenses and profit counted by the filing rule, the estimated income tax and Class 4 NI, how many transactions still need a business-or-personal decision, which quarterly updates they have filed through TapTax, and the next deadline. Needs no figures from the person: everything comes from their records.

  Paramètres, retour & exemple (1)

  Paramètres

  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27
    Defaults to the current tax year

  Exemple d'appel

  {"name": "get_tax_position", "arguments": {"taxYear": "2024-25"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• list_invoices≈ 191 tokens

  Read the signed-in person's own invoices from their TapTax account, newest first, with each one's live status (a sent invoice past its due date reads as overdue) and the totals outstanding and overdue. Needs no details from the person.

  Paramètres, retour & exemple (2)

  Paramètres

  • limit · integer · optionnel
  • status · string · optionnel · all | unpaid | overdue | paid | draft
    unpaid = sent, viewed or overdue

  Exemple d'appel

  {"name": "list_invoices", "arguments": {"limit": 1, "status": "all"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• list_transactions≈ 302 tokens

  Read and search the signed-in person's own income and expense records in their TapTax account, newest first. Filter by tax year or dates, type, text in the description, or needsReview=true for the ones still waiting for a business-or-personal decision (the review queue). Needs no details from the person beyond what to look for.

  Paramètres, retour & exemple (7)

  Paramètres

  • to · string · optionnel
    On or before this date
  • from · string · optionnel
    On or after this date
  • type · string · optionnel · income | expense
  • limit · integer · optionnel
  • search · string · optionnel
    Text to find in the description
  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27
  • needsReview · boolean · optionnel

  Exemple d'appel

  {"name": "list_transactions", "arguments": {"to": "texte", "from": "texte", "type": "income", "limit": 1, "search": "texte", "taxYear": "2024-25"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• log_mileage_trip≈ 286 tokens

  Record a business journey in the signed-in person's mileage log. TapTax prices it at the approved mileage rate for the tax year (tiered after 10,000 car miles). Commuting to a permanent workplace is not business mileage. Mileage tracking is on the Pro plan.

  Paramètres, retour & exemple (6)

  Paramètres

  • to · string · requis
  • date · string · requis
  • from · string · requis
  • miles · number · requis
    Business miles for this trip
  • purpose · string · requis
  • vehicle · string · optionnel · car | motorcycle | bicycle
    Vans count as car

  Exemple d'appel

  {"name": "log_mileage_trip", "arguments": {"to": "texte", "date": "texte", "from": "texte", "miles": 1, "purpose": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• mark_invoice_paid≈ 170 tokens

  Record that the client has paid an invoice (dated today). Stops any payment reminders.

  Paramètres, retour & exemple (1)

  Paramètres

  • invoiceId · string · requis

  Exemple d'appel

  {"name": "mark_invoice_paid", "arguments": {"invoiceId": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• plan_quarterly_tax_set_aside≈ 330 tokens

  Plan how much to set aside for tax as a sole trader under Making Tax Digital, from the year's profit or each quarter's profit: the income tax, Class 4 National Insurance and student loan due, monthly and weekly amounts to put away, running totals by quarter with each update deadline, and any first payment on account.

  Paramètres, retour & exemple (4)

  Paramètres

  • annualProfit · number · optionnel
    Expected profit for the year (split evenly across quarters)
  • studentLoanPlan · string · optionnel · none | plan1 | plan2
    Student loan plan, if any
  • quarterlyProfits · array · optionnel
    Profit for each quarter, Q1 to Q4, instead of an annual figure
  • firstYearOfTrading · boolean · optionnel
    True in the first year, when the first payment on account is also due

  Exemple d'appel

  {"name": "plan_quarterly_tax_set_aside", "arguments": {"annualProfit": 1, "studentLoanPlan": "none", "quarterlyProfits": [], "firstYearOfTrading": true}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• prepare_business_document≈ 629 tokens

  Prepare an invoice, quote, receipt, credit note or pro forma invoice in TapTax's free document generator, without a TapTax account. Returns the totals and a link that opens the generator with the document filled in, where the person checks it, adds a logo if they like, and downloads the PDF. The details travel in the link itself and are not stored by TapTax.

  Paramètres, retour & exemple (13)

  Paramètres

  • date · string · optionnel
    Issue date, YYYY-MM-DD; defaults to today
  • kind · string · requis · invoice | quote | receipt | credit_note | proforma_invoice
    Which document
  • lines · array · requis
  • notes · string · optionnel
  • number · string · optionnel
    Document number, e.g. INV-0042
  • fromName · string · optionnel
    The business issuing it
  • template · string · optionnel · classic | plain | trades | consultancy | creative | retail
    Design; defaults to the generator default
  • clientName · string · optionnel
  • clientEmail · string · optionnel
  • fromAddress · string · optionnel
  • paymentTerms · string · optionnel
  • clientAddress · string · optionnel
  • vatRatePercent · ? · optionnel
    Defaults to 0

  Exemple d'appel

  {"name": "prepare_business_document", "arguments": {"kind": "invoice", "lines": []}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• prepare_quarterly_update≈ 246 tokens

  Get the signed-in person's Making Tax Digital quarterly update ready: the cumulative income, expenses and profit from 6 April to the end of the quarter, what still needs reviewing, and a card with a button that opens TapTax to check and file it. Filing itself always happens in the TapTax app, never from the chat, so HMRC receives the details of the device the person files from.

  Paramètres, retour & exemple (2)

  Paramètres

  • quarter · integer · optionnel
    1 = to 5 July, 2 = to 5 October, 3 = to 5 January, 4 = to 5 April
  • taxYear · string · optionnel · 2024-25 | 2025-26 | 2026-27
    Defaults to the current tax year

  Exemple d'appel

  {"name": "prepare_quarterly_update", "arguments": {"quarter": 1, "taxYear": "2024-25"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• send_invoice≈ 230 tokens

  Get one of the signed-in person’s invoices ready to email, with its PDF, to the client address on it from their business name. It opens a card showing exactly what the client will receive (who it goes to, the lines and the total) with a Send button. Nothing is emailed until the person presses Send on that card.

  Paramètres, retour & exemple (1)

  Paramètres

  • invoiceId · string · requis

  Exemple d'appel

  {"name": "send_invoice", "arguments": {"invoiceId": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• send_invoice_from_card≈ 214 tokens

  Emails the invoice shown on a TapTax send card to its client, when the person presses Send on that card. Needs the one-time token the card was given.

  Paramètres, retour & exemple (2)

  Paramètres

  • invoiceId · string · requis
  • sendToken · string · requis

  Exemple d'appel

  {"name": "send_invoice_from_card", "arguments": {"invoiceId": "texte", "sendToken": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

• update_transaction≈ 346 tokens

  Change a transaction the signed-in person owns: mark it business or personal (this is how the review queue is cleared), or correct its category, description, amount or date.

  Paramètres, retour & exemple (6)

  Paramètres

  • id · string · requis
  • date · string · optionnel
  • amount · number · optionnel
  • category · string · optionnel · costOfGoods | constructionIndustryScheme | staffCosts | travelCosts | premisesRunningCosts | maintenanceCosts | adminCosts | advertisingCosts
  • description · string · optionnel
  • businessOrPersonal · string · optionnel · business | personal

  Exemple d'appel

  {"name": "update_transaction", "arguments": {"id": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}]}

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Source

https://api.taptax.co.uk/mcp