日本の給与計算・社会保険・労務のMCPサーバー。Japanese payroll, social insurance and labour law for AI assistants and HTTP clients: 47都道府県の保険料率、源泉徴収税額表、割増賃金、年次有給休暇、標準報酬月額の定時決定・随時改定、産休育休の保険料免除、最低賃金、消費税率。公表資料から計算し、根拠にした条文を必ず添えます。協会けんぽ・国税庁の公式表に一桁ずつ照合済み。社労士・人事労務の実務向け。
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calculate_payslipFull monthly deduction breakdown for one employee: health insurance, long-term care,Full monthly deduction breakdown for one employee: health insurance, long-term care,
No input schema was published for this tool.
list_workers_compensation_ratesWorkers compensation (労災保険) rates by business type, and the employer premium on aWorkers compensation (労災保険) rates by business type, and the employer premium on a
No input schema was published for this tool.
calculate_bonusPremiums and income tax on a 賞与. Both work differently from monthly pay and arePremiums and income tax on a 賞与. Both work differently from monthly pay and are
No input schema was published for this tool.
calculate_withholding_taxIncome tax to withhold from a payment, from the National Tax Agency tables.Income tax to withhold from a payment, from the National Tax Agency tables.
No input schema was published for this tool.
judge_monthly_revisionDecides whether a pay change forces the standard remuneration to be revised, and answersDecides whether a pay change forces the standard remuneration to be revised, and answers
No input schema was published for this tool.
decide_regular_remunerationThe yearly redetermination of standard remuneration, effective each September through theThe yearly redetermination of standard remuneration, effective each September through the
No input schema was published for this tool.
judge_leave_end_revisionA separate route with a lower bar than 随時改定, and the one people forget. ONE grade ofA separate route with a lower bar than 随時改定, and the one people forget. ONE grade of
No input schema was published for this tool.
calculate_payroll_batchRuns calculate_payslip for many employees in one call and returns the run totals: gross,Runs calculate_payslip for many employees in one call and returns the run totals: gross,
No input schema was published for this tool.
decide_regular_remuneration_batchRuns the annual 定時決定 for a whole payroll in one call, and reports which employees movedRuns the annual 定時決定 for a whole payroll in one call, and reports which employees moved
No input schema was published for this tool.
judge_annual_averageFor work whose April-June happens to be its busiest or quietest quarter, where the ordinaryFor work whose April-June happens to be its busiest or quietest quarter, where the ordinary
No input schema was published for this tool.
lookup_standard_remunerationMaps a monthly amount to its health grade (1-50) and pension grade (1-32), with theMaps a monthly amount to its health grade (1-50) and pension grade (1-32), with the
No input schema was published for this tool.
national_insuranceFor anyone outside employee cover: the self-employed, freelancers, people between jobs.For anyone outside employee cover: the self-employed, freelancers, people between jobs.
No input schema was published for this tool.
calculate_annual_costWhat one employee costs an employer over a year, bonuses included.What one employee costs an employer over a year, bonuses included.
No input schema was published for this tool.
judge_annual_leaveWorks out how many days of paid leave someone has been granted, and whether the employerWorks out how many days of paid leave someone has been granted, and whether the employer
No input schema was published for this tool.
judge_worker_typeDecides whether someone is covered by health and pension insurance, and on whichDecides whether someone is covered by health and pension insurance, and on which
No input schema was published for this tool.
check_insurance_eligibilityThe single most expensive month-end mistake in Japanese payroll, and one an assistant willThe single most expensive month-end mistake in Japanese payroll, and one an assistant will
No input schema was published for this tool.
check_leave_exemptionMaternity and childcare leave look alike and behave differently. Maternity leave has noMaternity and childcare leave look alike and behave differently. Maternity leave has no
No input schema was published for this tool.
get_age_milestonesReturns the exact date each threshold is crossed and which premium starts or stops:Returns the exact date each threshold is crossed and which premium starts or stops:
No input schema was published for this tool.
calculate_year_end_adjustmentYear-end adjustment (年末調整) for 2026 from the National Tax Agency's 令和8年分 booklet: theYear-end adjustment (年末調整) for 2026 from the National Tax Agency's 令和8年分 booklet: the
No input schema was published for this tool.
estimate_resident_taxEstimate of next fiscal year's resident tax (住民税: 道府県民税 + 市町村民税 + 森林環境税) from theEstimate of next fiscal year's resident tax (住民税: 道府県民税 + 市町村民税 + 森林環境税) from the
No input schema was published for this tool.
get_insurance_ratesHealth insurance, long-term care, pension and child-support rates for a prefecture, plusHealth insurance, long-term care, pension and child-support rates for a prefecture, plus
No input schema was published for this tool.
get_minimum_wageHourly 地域別最低賃金 for a prefecture. Revisions take effect prefecture by prefecture fromHourly 地域別最低賃金 for a prefecture. Revisions take effect prefecture by prefecture from
No input schema was published for this tool.
business_daysCount business days in a range, shift a date by N business days, or check one date.Count business days in a range, shift a date by N business days, or check one date.
No input schema was published for this tool.
validate_invoice_numbers_batchChecks the National Tax Agency check digit on many qualified-invoice registration numbersChecks the National Tax Agency check digit on many qualified-invoice registration numbers
No input schema was published for this tool.
validate_corporate_numberChecks the National Tax Agency check digit on a 13-digit 法人番号, or on a qualifiedChecks the National Tax Agency check digit on a 13-digit 法人番号, or on a qualified
No input schema was published for this tool.
consumption_taxThe consumption tax rate in force on a date, with the national and local parts, and theThe consumption tax rate in force on a date, with the national and local parts, and the
No input schema was published for this tool.
get_statute_textReturns the full text of a Japanese statutory provision, as published by e-Gov.Returns the full text of a Japanese statutory provision, as published by e-Gov.
No input schema was published for this tool.
calculate_overtime_payWorks out statutory premium pay under 労働基準法第37条 — overtime, night work and work onWorks out statutory premium pay under 労働基準法第37条 — overtime, night work and work on
No input schema was published for this tool.
commuting_allowance_exemptionWorks out how much of a commuting allowance escapes income tax, and states the amountWorks out how much of a commuting allowance escapes income tax, and states the amount
No input schema was published for this tool.
check_data_freshnessJapanese statutory figures change on fixed dates — insurance rates each March, employmentJapanese statutory figures change on fixed dates — insurance rates each March, employment
No input schema was published for this tool.
30 of 30 tools published a description.
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日本の給与計算・社会保険・労務のMCPサーバー。Japanese payroll, social insurance and labour law for AI assistants and HTTP clients: 47都道府県の保険料率、源泉徴収税額表、割増賃金、年次有給休暇、標準報酬月額の定時決定・随時改定、産休育休の保険料免除、最低賃金、消費税率。公表資料から計算し、根拠にした条文を必ず添えます。協会けんぽ・国税庁の公式表に一桁ずつ照合済み。社労士・人事労務の実務向け。
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