Korea Payroll & Tax (kkuldogu)

io.github.dooolmang/kkuldogu-korea-payrollVersion 1.7.0

South Korea 2026 payroll, tax & law: 63 calculators from net pay to gift tax and inheritance.

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Connect

Streamable HTTP

https://api.kkuldogu.com/mcpResponds520 msNov 14, 2026, 14:50 UTC

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Claude Code

claude mcp add --transport http kkuldogu-korea-payroll https://api.kkuldogu.com/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: kkuldogu-korea-payroll
Remote MCP server URL: https://api.kkuldogu.com/mcp

Cursor

{
  "mcpServers": {
    "kkuldogu-korea-payroll": {
      "url": "https://api.kkuldogu.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"kkuldogu-korea-payroll","type":"http","url":"https://api.kkuldogu.com/mcp"}'

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Tools

63 tools

Tools of Korea Payroll & Tax (kkuldogu)
	Description		Read-only	Idempotent	Open world
`annual_leave`South Korea paid annual leave under the Labor Standards Act: days currently available, remaining days, next accrual, and payout value of unused leave.	South Korea paid annual leave under the Labor Standards Act: days currently available, remaining days, next accrual, and payout value of unused leave.	Not declared	Yes	Yes	No
`annual_leave_batch`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/annual-leave-batch with x402.] South Korea paid annual leave for up to 100 employees in one call: days available, used and remaining for each employee and the payout value of unused leave, with company-wide totals. Same calculation as annual-leave.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/annual-leave-batch with x402.] South Korea paid annual leave for up to 100 employees in one call: days available, used and remaining for each employee and the payout value of unused leave, with company-wide totals. Same calculation as annual-leave.	Not declared	Yes	Yes	No
`average_wage`South Korea average wage (pyeonggyun imgeum): daily average over the 3 months before the last working day, the basis for severance pay and unemployment benefit; falls back to the ordinary wage when that is higher.	South Korea average wage (pyeonggyun imgeum): daily average over the 3 months before the last working day, the basis for severance pay and unemployment benefit; falls back to the ordinary wage when that is higher.	Not declared	Yes	Yes	No
`bonus_tax`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/bonus-tax with x402.] South Korea tax withheld on a bonus or incentive payment: income tax by the simplified-table bonus method over the payment period, local tax and employment insurance, and the net bonus.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/bonus-tax with x402.] South Korea tax withheld on a bonus or incentive payment: income tax by the simplified-table bonus method over the payment period, local tax and employment insurance, and the net bonus.	Not declared	Yes	Yes	No
`brokerage_fee`South Korea real-estate brokerage fee ceiling (bokbi) for a sale, jeonse or monthly-rent lease of a house or officetel: statutory rate bracket, fee cap and VAT.	South Korea real-estate brokerage fee ceiling (bokbi) for a sale, jeonse or monthly-rent lease of a house or officetel: statutory rate bracket, fee cap and VAT.	Not declared	Yes	Yes	No
`business_days`South Korea business days: count working days between two dates, or find the date N business days later, skipping weekends and Korean public holidays (2025-2027 table incl. substitute holidays).	South Korea business days: count working days between two dates, or find the date N business days later, skipping weekends and Korean public holidays (2025-2027 table incl. substitute holidays).	Not declared	Yes	Yes	No
`card_income_deduction`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/card-income-deduction with x402.] South Korea credit card income deduction for year-end settlement: deduction from credit, debit/cash, traditional market/transit and culture spending above 25% of salary, with limits and estimated tax saved.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/card-income-deduction with x402.] South Korea credit card income deduction for year-end settlement: deduction from credit, debit/cash, traditional market/transit and culture spending above 25% of salary, with limits and estimated tax saved.	Not declared	Yes	Yes	No
`child_benefits`South Korea government cash support for a newborn: first-meeting voucher, parent benefit for ages 0-1 and the monthly child allowance up to age 9, with a dated schedule.	South Korea government cash support for a newborn: first-meeting voucher, parent benefit for ages 0-1 and the monthly child allowance up to age 9, with a dated schedule.	Not declared	Yes	Yes	No
`daily_worker_tax`South Korea daily (day-labor) worker tax: income tax after the KRW 150,000 daily deduction and 55% credit, local tax and employment insurance, for wages paid daily or in one lump sum.	South Korea daily (day-labor) worker tax: income tax after the KRW 150,000 daily deduction and 55% credit, local tax and employment insurance, for wages paid daily or in one lump sum.	Not declared	Yes	Yes	No
`deposit_interest`South Korea bank deposit or installment-savings interest after tax: maturity amount with simple or monthly-compounded interest and the 15.4% interest withholding tax (or 9.5% preferential, or tax-free).	South Korea bank deposit or installment-savings interest after tax: maturity amount with simple or monthly-compounded interest and the 15.4% interest withholding tax (or 9.5% preferential, or tax-free).	Not declared	Yes	Yes	No
`dismissal_notice_pay`South Korea dismissal notice allowance: 30 days of ordinary wage owed when an employer gives less than 30 days notice (not owed for under 3 months of service).	South Korea dismissal notice allowance: 30 days of ordinary wage owed when an employer gives less than 30 days notice (not owed for under 3 months of service).	Not declared	Yes	Yes	No
`early_repayment_fee`South Korea early loan repayment fee (jungdo sanghwan susuryo): repaid amount x fee rate x remaining days / fee period (usually 3 years, after which the fee is waived).	South Korea early loan repayment fee (jungdo sanghwan susuryo): repaid amount x fee rate x remaining days / fee period (usually 3 years, after which the fee is waived).	Not declared	Yes	Yes	No
`financial_income_tax`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/financial-income-tax with x402.] South Korea comprehensive taxation of financial income (interest and dividends over 20 million KRW a year): compares the comprehensive method (first 20M at 14%, the excess added to other income at 6-45%) with the 14% separate method and takes the larger, then shows tax due beyond what was withheld. Dividend gross-up and the 2026 high-dividend separate-taxation option are not modeled.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/financial-income-tax with x402.] South Korea comprehensive taxation of financial income (interest and dividends over 20 million KRW a year): compares the comprehensive method (first 20M at 14%, the excess added to other income at 6-45%) with the 14% separate method and takes the larger, then shows tax due beyond what was withheld. Dividend gross-up and the 2026 high-dividend separate-taxation option are not modeled.	Not declared	Yes	Yes	No
`freelancer_withholding`South Korea 3.3% business-income withholding for freelancers (3% income tax + 0.3% local tax), in either direction: net from gross, or the gross to invoice for a target net.	South Korea 3.3% business-income withholding for freelancers (3% income tax + 0.3% local tax), in either direction: net from gross, or the gross to invoice for a target net.	Not declared	Yes	Yes	No
`gift_tax`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/gift-tax with x402.] South Korea gift tax (jeungyeose) on a gift received: relationship deduction (spouse 600M, parent to adult child 50M, to minor 20M, other relatives 10M), 10-year aggregation, marriage/childbirth deduction, 10-50% progressive rates, generation-skipping surcharge and the 3% on-time filing credit.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/gift-tax with x402.] South Korea gift tax (jeungyeose) on a gift received: relationship deduction (spouse 600M, parent to adult child 50M, to minor 20M, other relatives 10M), 10-year aggregation, marriage/childbirth deduction, 10-50% progressive rates, generation-skipping surcharge and the 3% on-time filing credit.	Not declared	Yes	Yes	No
`gross_from_net`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/gross-from-net with x402.] Reverse South Korea take-home pay: the gross monthly and annual salary needed to reach a target monthly net pay after 2026 social insurance and withheld income tax.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/gross-from-net with x402.] Reverse South Korea take-home pay: the gross monthly and annual salary needed to reach a target monthly net pay after 2026 social insurance and withheld income tax.	Not declared	Yes	Yes	No
`housing_acquisition_tax`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/housing-acquisition-tax with x402.] South Korea acquisition tax when buying a home: 1-3% by price (sliding rate between 600M and 900M), 8%/12% heavy rates for multiple homes and corporations, plus local education tax and rural special tax, and the first-home relief of up to 2M.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/housing-acquisition-tax with x402.] South Korea acquisition tax when buying a home: 1-3% by price (sliding rate between 600M and 900M), 8%/12% heavy rates for multiple homes and corporations, plus local education tax and rural special tax, and the first-home relief of up to 2M.	Not declared	Yes	Yes	No
`housing_subscription_score`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/housing-subscription-score with x402.] South Korea housing subscription points (cheongyak gajeom, max 84) for private apartment sales: homeless period (max 32), dependents (max 35) and subscription account period (max 17). The spouse-account bonus is not included.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/housing-subscription-score with x402.] South Korea housing subscription points (cheongyak gajeom, max 84) for private apartment sales: homeless period (max 32), dependents (max 35) and subscription account period (max 17). The spouse-account bonus is not included.	Not declared	Yes	Yes	No
`income_tax_from_tax_base`South Korea comprehensive income tax from a tax base (gwase pyojun): the 8-bracket 6-45% progressive table with deduction amounts, plus 10% local income tax, marginal and effective rates.	South Korea comprehensive income tax from a tax base (gwase pyojun): the 8-bracket 6-45% progressive table with deduction amounts, plus 10% local income tax, marginal and effective rates.	Not declared	Yes	Yes	No
`industrial_accident_leave_benefit`South Korea industrial accident (sanjae) temporary disability benefit for days off work: 70% of the average daily wage, capped by the 2026 maximum compensation base, with the low-income rule (90%, then the minimum-wage floor). Not paid when the time off is 3 days or less. Age-based reductions and part-time rules are not modeled.	South Korea industrial accident (sanjae) temporary disability benefit for days off work: 70% of the average daily wage, capped by the 2026 maximum compensation base, with the low-income rule (90%, then the minimum-wage floor). Not paid when the time off is 3 days or less. Age-based reductions and part-time rules are not modeled.	Not declared	Yes	Yes	No
`inheritance_shares`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/inheritance-shares with x402.] South Korea statutory inheritance shares and forced-heirship reserve (yuryubun) under the Civil Code: heirs by rank (children, then parents, then siblings), the spouse 50% add-on, and reserved portions (1/2 of the share for children and spouse, 1/3 for parents, none for siblings). Representation (daeseup) and heirs beyond siblings are not modeled.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/inheritance-shares with x402.] South Korea statutory inheritance shares and forced-heirship reserve (yuryubun) under the Civil Code: heirs by rank (children, then parents, then siblings), the spouse 50% add-on, and reserved portions (1/2 of the share for children and spouse, 1/3 for parents, none for siblings). Representation (daeseup) and heirs beyond siblings are not modeled.	Not declared	Yes	Yes	No
`jeonse_wolse_conversion`Convert between South Korean jeonse deposit and monthly rent (wolse) at a conversion rate, with the statutory 4.5% cap check on a landlord's asked rent.	Convert between South Korean jeonse deposit and monthly rent (wolse) at a conversion rate, with the statutory 4.5% cap check on a landlord's asked rent.	Not declared	Yes	Yes	No
`job_offer_comparison`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/job-offer-comparison with x402.] Compare a South Korean job offer with the current job on what actually matters: annual take-home pay including bonus (after 2026 social insurance and withholding tax), monthly take-home, and real hourly net pay once commuting time is counted. Assumes KRW 200,000 monthly non-taxable pay and 1 dependent.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/job-offer-comparison with x402.] Compare a South Korean job offer with the current job on what actually matters: annual take-home pay including bonus (after 2026 social insurance and withholding tax), monthly take-home, and real hourly net pay once commuting time is counted. Assumes KRW 200,000 monthly non-taxable pay and 1 dependent.	Not declared	Yes	Yes	No
`korean_age`Korean age calculation: international age (the legal standard in South Korea since June 2023), year age, traditional counting age, zodiac animal, and the next birthday.	Korean age calculation: international age (the legal standard in South Korea since June 2023), year age, traditional counting age, zodiac animal, and the next birthday.	Not declared	Yes	Yes	No
`late_payment_interest`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/late-payment-interest with x402.] South Korea statutory late-payment interest (jiyeon sonhaegeum) on a money debt: 5% civil, 6% commercial, 12% under the litigation-promotion act after a complaint is served, or a contract rate, prorated by day.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/late-payment-interest with x402.] South Korea statutory late-payment interest (jiyeon sonhaegeum) on a money debt: 5% civil, 6% commercial, 12% under the litigation-promotion act after a complaint is served, or a contract rate, prorated by day.	Not declared	Yes	Yes	No
`litigation_stamp_fee`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/litigation-stamp-fee with x402.] South Korea civil lawsuit filing costs: court stamp fee (injidae) from the claim amount by bracket, 1.5x on appeal and 2x at the Supreme Court, 10% off for electronic filing, plus the prepaid service-of-process fee (songdallyo).	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/litigation-stamp-fee with x402.] South Korea civil lawsuit filing costs: court stamp fee (injidae) from the claim amount by bracket, 1.5x on appeal and 2x at the Supreme Court, 10% off for electronic filing, plus the prepaid service-of-process fee (songdallyo).	Not declared	Yes	Yes	No
`loan_repayment`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/loan-repayment with x402.] Loan repayment schedule summary as used by South Korean banks: equal monthly payment (wolligeum gyundeung), equal principal (wongeum gyundeung) or interest-only with bullet repayment; monthly payment, first and last installments, total interest.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/loan-repayment with x402.] Loan repayment schedule summary as used by South Korean banks: equal monthly payment (wolligeum gyundeung), equal principal (wongeum gyundeung) or interest-only with bullet repayment; monthly payment, first and last installments, total interest.	Not declared	Yes	Yes	No
`maternity_leave_pay`South Korea maternity leave pay for 90 days (120 for multiple births): split between employer and employment insurance, with the 2026 monthly cap of KRW 2.2 million.	South Korea maternity leave pay for 90 days (120 for multiple births): split between employer and employment insurance, with the 2026 monthly cap of KRW 2.2 million.	Not declared	Yes	Yes	No
`minimum_wage_check`Check a South Korean monthly wage against the 2026 minimum wage (KRW 10,320/hour): counts base pay, monthly regular bonus and cash welfare allowances, supports the 90% probation rate.	Check a South Korean monthly wage against the 2026 minimum wage (KRW 10,320/hour): counts base pay, monthly regular bonus and cash welfare allowances, supports the 90% probation rate.	Not declared	Yes	Yes	No
`monthly_rent_tax_credit`South Korea monthly rent (wolse) tax credit at year-end settlement: 17% or 15% of up to KRW 10 million rent for homeless tenants earning up to KRW 80 million.	South Korea monthly rent (wolse) tax credit at year-end settlement: 17% or 15% of up to KRW 10 million rent for homeless tenants earning up to KRW 80 million.	Not declared	Yes	Yes	No
`net_pay`South Korea take-home pay for an employee: monthly net salary after national pension, health and long-term care insurance, employment insurance, and withheld income tax (2026 NTS simplified withholding table) plus local income tax.	South Korea take-home pay for an employee: monthly net salary after national pension, health and long-term care insurance, employment insurance, and withheld income tax (2026 NTS simplified withholding table) plus local income tax.	Not declared	Yes	Yes	No
`new_parent_benefits`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/new-parent-benefits with x402.] Everything a South Korean household receives around a birth, in one call: maternity leave pay (90/120 days, who pays what), parental leave benefit month by month (normal, 6+6 both-parents, or single-parent scheme), the spouse's 20-day childbirth leave pay, and government cash support for the child (first-meeting voucher, parent benefit, child allowance to age 9).	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/new-parent-benefits with x402.] Everything a South Korean household receives around a birth, in one call: maternity leave pay (90/120 days, who pays what), parental leave benefit month by month (normal, 6+6 both-parents, or single-parent scheme), the spouse's 20-day childbirth leave pay, and government cash support for the child (first-meeting voucher, parent benefit, child allowance to age 9).	Not declared	Yes	Yes	No
`ordinary_wage`South Korea ordinary wage (tongsang imgeum): hourly and daily ordinary wage from base pay, fixed allowances and regular bonuses, the basis for overtime, unused leave and dismissal notice pay.	South Korea ordinary wage (tongsang imgeum): hourly and daily ordinary wage from base pay, fixed allowances and regular bonuses, the basis for overtime, unused leave and dismissal notice pay.	Not declared	Yes	Yes	No
`other_income_tax`South Korea other-income (gita sodeuk) withholding of 22% on income after deemed expenses, e.g. lecture fees, manuscript fees and prizes, with the KRW 50,000 exemption threshold.	South Korea other-income (gita sodeuk) withholding of 22% on income after deemed expenses, e.g. lecture fees, manuscript fees and prizes, with the KRW 50,000 exemption threshold.	Not declared	Yes	Yes	No
`overtime_pay`South Korea overtime, night and holiday work premiums under the Labor Standards Act (1.5x overtime, +0.5x night, 1.5x/2x holiday); workplaces with fewer than 5 employees get no premium.	South Korea overtime, night and holiday work premiums under the Labor Standards Act (1.5x overtime, +0.5x night, 1.5x/2x holiday); workplaces with fewer than 5 employees get no premium.	Not declared	Yes	Yes	No
`parental_leave_benefit`South Korea parental leave benefit from employment insurance, month by month with caps, including the 6+6 both-parents scheme and single parents.	South Korea parental leave benefit from employment insurance, month by month with caps, including the 6+6 both-parents scheme and single parents.	Not declared	Yes	Yes	No
`part_time_pay`South Korea part-time (alba) monthly pay from an hourly wage and schedule, including weekly holiday pay, after either 3.3% withholding or the four social insurances plus income tax.	South Korea part-time (alba) monthly pay from an hourly wage and schedule, including weekly holiday pay, after either 3.3% withholding or the four social insurances plus income tax.	Not declared	Yes	Yes	No
`paternity_leave_pay`South Korea spouse (paternity) childbirth leave pay for the 20 paid days, and how much employment insurance covers at priority-support companies.	South Korea spouse (paternity) childbirth leave pay for the 20 paid days, and how much employment insurance covers at priority-support companies.	Not declared	Yes	Yes	No
`payroll_batch`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/payroll-batch with x402.] South Korea monthly payroll run for up to 100 employees in one call: per-employee take-home pay with each deduction (national pension, health, long-term care, employment insurance, income tax from the 2026 NTS withholding table, local income tax), employer social-insurance contributions, and company-wide totals including total employer cost. Industrial accident insurance (industry-specific rate) is not included.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/payroll-batch with x402.] South Korea monthly payroll run for up to 100 employees in one call: per-employee take-home pay with each deduction (national pension, health, long-term care, employment insurance, income tax from the 2026 NTS withholding table, local income tax), employer social-insurance contributions, and company-wide totals including total employer cost. Industrial accident insurance (industry-specific rate) is not included.	Not declared	Yes	Yes	No
`pension_savings_tax_credit`South Korea pension savings and IRP tax credit: 16.5% or 13.2% (incl. local tax) of contributions up to KRW 9 million, and the extra refund from filling the remaining limit.	South Korea pension savings and IRP tax credit: 16.5% or 13.2% (incl. local tax) of contributions up to KRW 9 million, and the extra refund from filling the remaining limit.	Not declared	Yes	Yes	No
`pregnancy_due_date`Pregnancy due date and gestational week from the last menstrual period, with the South Korean labor-law dates that follow: reduced working hours in pregnancy, earliest maternity leave start, and the paternity leave deadline.	Pregnancy due date and gestational week from the last menstrual period, with the South Korean labor-law dates that follow: reduced working hours in pregnancy, earliest maternity leave start, and the paternity leave deadline.	Not declared	Yes	Yes	No
`pyeong_conversion`Convert between square meters and pyeong, the Korean real-estate area unit (1 pyeong = 400/121 m2, about 3.3058 m2).	Convert between square meters and pyeong, the Korean real-estate area unit (1 pyeong = 400/121 m2, about 3.3058 m2).	Not declared	Yes	Yes	No
`reduced_hours_childcare_benefit`South Korea reduced working hours for childcare benefit: monthly employment-insurance top-up (first 10 reduced hours at 100%, rest at 80%, with caps) plus the reduced employer pay.	South Korea reduced working hours for childcare benefit: monthly employment-insurance top-up (first 10 reduced hours at 100%, rest at 80%, with caps) plus the reduced employer pay.	Not declared	Yes	Yes	No
`rent_increase_limit`South Korea legal cap on rent increases at renewal: 5% for housing leases, and 5% for commercial leases whose converted deposit (deposit + monthly rent x 100) is within the regional threshold (Seoul 900M, overconcentration areas and Busan 690M, other metropolitan cities 540M, elsewhere 370M).	South Korea legal cap on rent increases at renewal: 5% for housing leases, and 5% for commercial leases whose converted deposit (deposit + monthly rent x 100) is within the regional threshold (Seoul 900M, overconcentration areas and Busan 690M, other metropolitan cities 540M, elsewhere 370M).	Not declared	Yes	Yes	No
`rental_income_separate_tax`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/rental-income-separate-tax with x402.] South Korea housing rental income tax under separate taxation (annual rent up to 20 million KRW): 14% on rent minus deemed expenses (50%, or 60% for registered rental housing) and the basic deduction (2M, or 4M registered, only if other income is 20M or less), plus local income tax. Deemed rent on deposits and registered-housing tax reductions are not modeled.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/rental-income-separate-tax with x402.] South Korea housing rental income tax under separate taxation (annual rent up to 20 million KRW): 14% on rent minus deemed expenses (50%, or 60% for registered rental housing) and the basic deduction (2M, or 4M registered, only if other income is 20M or less), plus local income tax. Deemed rent on deposits and registered-housing tax reductions are not modeled.	Not declared	Yes	Yes	No
`resignation_settlement`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/resignation-settlement with x402.] South Korea resignation settlement in one call: statutory severance pay, retirement income tax and local tax, net severance, unused annual-leave pay, and how much more you get by moving the last working day (one more day, week, month, or until the next annual-leave grant). Uses the ordinary wage when it is higher than the average wage. Optionally adds the unemployment benefit estimate for an involuntary separation.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/resignation-settlement with x402.] South Korea resignation settlement in one call: statutory severance pay, retirement income tax and local tax, net severance, unused annual-leave pay, and how much more you get by moving the last working day (one more day, week, month, or until the next annual-leave grant). Uses the ordinary wage when it is higher than the average wage. Optionally adds the unemployment benefit estimate for an involuntary separation.	Not declared	Yes	Yes	No
`retirement_income_tax`South Korea retirement income tax on a severance payment: service-year deduction, converted-pay deduction, national and local tax, and the reduced tax if received as an IRP pension.	South Korea retirement income tax on a severance payment: service-year deduction, converted-pay deduction, national and local tax, and the reduced tax if received as an IRP pension.	Not declared	Yes	Yes	No
`service_period`Length of service at a South Korean employer from the hire date: years, months, days, next anniversary, annual leave entitlement for the current year of service, and severance pay eligibility.	Length of service at a South Korean employer from the hire date: years, months, days, next anniversary, annual leave entitlement for the current year of service, and severance pay eligibility.	Not declared	Yes	Yes	No
`severance_batch`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/severance-batch with x402.] South Korea statutory severance pay for up to 100 employees in one call: per-employee gross severance, retirement income tax and net amount using the same calculation as severance-pay (Ministry of Employment and Labor rounding, optional ordinary-wage comparison), with company-wide totals.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/severance-batch with x402.] South Korea statutory severance pay for up to 100 employees in one call: per-employee gross severance, retirement income tax and net amount using the same calculation as severance-pay (Ministry of Employment and Labor rounding, optional ordinary-wage comparison), with company-wide totals.	Not declared	Yes	Yes	No
`severance_pay`South Korea statutory severance pay (toejikgeum): 30 days of average wage per year of service, with retirement income tax, from hire date, last working day and last 3 months of pay. Pass monthlyOrdinaryWage to apply the legal rule that the ordinary wage replaces a lower average wage (Labor Standards Act art. 2(2)); without it only the average wage is used. Rounding follows the Ministry of Employment and Labor severance calculator.	South Korea statutory severance pay (toejikgeum): 30 days of average wage per year of service, with retirement income tax, from hire date, last working day and last 3 months of pay. Pass monthlyOrdinaryWage to apply the legal rule that the ordinary wage replaces a lower average wage (Labor Standards Act art. 2(2)); without it only the average wage is used. Rounding follows the Ministry of Employment and Labor severance calculator.	Not declared	Yes	Yes	No
`shutdown_allowance`South Korea business shutdown allowance (hyueop sudang): 70% of average wage, or the ordinary wage if that is lower, for days the employer suspends work (5+ employee workplaces).	South Korea business shutdown allowance (hyueop sudang): 70% of average wage, or the ordinary wage if that is lower, for days the employer suspends work (5+ employee workplaces).	Not declared	Yes	Yes	No
`social_insurance`South Korea four major social insurances (national pension, health, long-term care, employment) for a monthly wage: employee deductions and employer contributions at 2026 rates.	South Korea four major social insurances (national pension, health, long-term care, employment) for a monthly wage: employee deductions and employer contributions at 2026 rates.	Not declared	Yes	Yes	No
`stamp_duty`South Korea stamp duty (injise) on a contract document by its stated amount: real-estate ownership transfer contracts and loan agreements, 20,000 to 350,000 KRW, with the exemptions (10M or less; housing transfers up to 100M; loans up to 50M).	South Korea stamp duty (injise) on a contract document by its stated amount: real-estate ownership transfer contracts and loan agreements, 20,000 to 350,000 KRW, with the exemptions (10M or less; housing transfers up to 100M; loans up to 50M).	Not declared	Yes	Yes	No
`stock_transaction_tax`South Korea securities transaction tax on selling listed shares (2026 rates): KOSPI 0.05% plus 0.15% rural special tax, KOSDAQ 0.20%, charged on the sale amount whether or not there is a gain.	South Korea securities transaction tax on selling listed shares (2026 rates): KOSPI 0.05% plus 0.15% rural special tax, KOSDAQ 0.20%, charged on the sale amount whether or not there is a gain.	Not declared	Yes	Yes	No
`unemployment_benefit`South Korea unemployment benefit (job-seeking allowance, silup geupyeo): daily amount with 2026 cap and floor, number of benefit days, and total.	South Korea unemployment benefit (job-seeking allowance, silup geupyeo): daily amount with 2026 cap and floor, number of benefit days, and total.	Not declared	Yes	Yes	No
`unemployment_eligibility`South Korea unemployment benefit eligibility check: at least 180 insured days in the 18 months before leaving, an involuntary (or justified) reason for leaving, and being able and actively seeking work. Use unemployment-benefit for the amount.	South Korea unemployment benefit eligibility check: at least 180 insured days in the 18 months before leaving, an involuntary (or justified) reason for leaving, and being able and actively seeking work. Use unemployment-benefit for the amount.	Not declared	Yes	Yes	No
`vat`South Korea 10% VAT: split a VAT-inclusive total into supply amount and VAT, or add VAT to a supply amount, with Korean rounding.	South Korea 10% VAT: split a VAT-inclusive total into supply amount and VAT, or add VAT to a supply amount, with Korean rounding.	Not declared	Yes	Yes	No
`vehicle_tax`[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/vehicle-tax with x402.] South Korea annual vehicle tax (jadongchase) for a private passenger car: per-cc rate by engine displacement, 30% local education tax, age reduction from the 3rd year (5% a year, up to 50%), flat amount for electric cars, and the 2026 annual-prepayment discount.	[Paid-only, $0.05 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/vehicle-tax with x402.] South Korea annual vehicle tax (jadongchase) for a private passenger car: per-cc rate by engine displacement, 30% local education tax, age reduction from the 3rd year (5% a year, up to 50%), flat amount for electric cars, and the 2026 annual-prepayment discount.	Not declared	Yes	Yes	No
`wage_conversion`Convert between hourly wage, monthly salary and annual salary the South Korean way (monthly hours include paid weekly holiday hours, 209 for a 40-hour week), with a 2026 minimum wage check.	Convert between hourly wage, monthly salary and annual salary the South Korean way (monthly hours include paid weekly holiday hours, 209 for a 40-hour week), with a 2026 minimum wage check.	Not declared	Yes	Yes	No
`weekly_holiday_pay`South Korea weekly holiday pay (juhyu sudang): the paid weekly rest allowance owed to workers contracted for 15+ hours a week, with weekly and monthly pay including it.	South Korea weekly holiday pay (juhyu sudang): the paid weekly rest allowance owed to workers contracted for 15+ hours a week, with weekly and monthly pay including it.	Not declared	Yes	Yes	No
`weekly_hours_check`South Korea 52-hour workweek check under the Labor Standards Act: 40 standard hours plus at most 12 overtime hours a week (35 plus 5 for workers under 18); workplaces with fewer than 5 employees are exempt for adults.	South Korea 52-hour workweek check under the Labor Standards Act: 40 standard hours plus at most 12 overtime hours a week (35 plus 5 for workers under 18); workplaces with fewer than 5 employees are exempt for adults.	Not declared	Yes	Yes	No
`year_end_tax_batch`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/year-end-tax-batch with x402.] South Korea year-end tax settlement estimate for up to 100 employees in one call: refund or additional tax for each employee from salary, dependents, card spending and the main deductions, with totals. Same calculation as year-end-tax-settlement, without the per-employee breakdown.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/year-end-tax-batch with x402.] South Korea year-end tax settlement estimate for up to 100 employees in one call: refund or additional tax for each employee from salary, dependents, card spending and the main deductions, with totals. Same calculation as year-end-tax-settlement, without the per-employee breakdown.	Not declared	Yes	Yes	No
`year_end_tax_settlement`[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/year-end-tax-settlement with x402.] South Korea year-end tax settlement (yeonmal jeongsan) estimate for employees: refund or additional tax from gross salary, dependents, card spending and the main deductions and credits, choosing itemized vs standard credit.	[Paid-only, $0.10 USDC per call: this free MCP tool returns payment instructions, not a result. Get the result from POST https://api.kkuldogu.com/v1/year-end-tax-settlement with x402.] South Korea year-end tax settlement (yeonmal jeongsan) estimate for employees: refund or additional tax from gross salary, dependents, card spending and the main deductions and credits, choosing itemized vs standard credit.	Not declared	Yes	Yes	No

Details

Registry status: Active
Published: Nov 14, 2026
Updated: Nov 14, 2026
Website: Not given
Repository: Not given
Categories (suggested): Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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