Japan statutory calculations: net pay, social insurance, tax walls, holidays. Cited sources, x402.
Connect Remote server
claude mcp add --transport http jp-statutory https://mart402.com/mcp/jp
{
"mcpServers": {
"jp-statutory": {
"url": "https://mart402.com/mcp/jp"
}
}
}
{
"servers": {
"jp-statutory": {
"type": "http",
"url": "https://mart402.com/mcp/jp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mart402.com/mcp/jp
Tools 16 found in our last check
get_catalogMart402 product catalog: all products, prices, payment config, error codes, rate limits. Free.
get_receiptRe-fetch a previously paid result for free by receipt id (every paid response carries receipt_id).
get_sampleFree recorded sample response for a paid product (from real production runs, marked sample:true) - see the exact response shape before paying anything. Available: document-pipeline, enrich, extract, jp-bonus-net, jp-business-days, jp-company, jp-consumption-tax, jp-crypto-tax, j…
jp_company_profileJapanese company site to a standard profile JSON (name, address, representative, capital, contact). $0.03/site. Choose this when you have the URL of a Japanese company's OWN site and want its standard profile fields read from the page; for name/domain lookups use enrich_company…
jp_payroll_netAnnual gross salary to net take-home (social insurance + income tax + resident tax). Exact NTA Beppyo-5 table. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for a whole YEAR: annual gross salary to annual take-home af…
jp_bonus_netBonus net pay: social insurance and withholding tax (official rate table, based on previous month salary). $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for ONE bonus payment: its social insurance and withholding tax…
jp_social_insuranceMonthly social insurance premiums from the official Kyokai-Kenpo grade table (FY2026). $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this when you only need the monthly social insurance premiums for a given monthly remuner…
jp_dependent_thresholdIncome-wall analysis: tax, social insurance (1.06M/1.30M), spousal and student-dependent walls. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Choose this for 'how much can be earned before ...' questions: it locates the income wa…
jp_consumption_taxConsumption tax: per-rate invoice rounding, qualified-invoice validation, simplified taxation, 20% special. $0.01/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default invoice_totals): invoice_totals -> lines; validat…
jp_business_daysJapanese holidays, business-day arithmetic, statutory filing deadlines with holiday shift, wareki conversion. $0.003/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default add): add -> from, days; between -> from, to;…
jp_overtime_wageOvertime premium pay (Labor Standards Act Art.37, official rounding notice) and Article-36 limit check. $0.015/call. Deterministic, cites primary sources; errors and unverified rules are never billed. Required by mode (default pay): pay -> monthly_salary_yen, monthly_scheduled_h…
jp_retirement_taxRetirement income tax: deduction by years of service, half-taxation rules, exact withholding rounding. $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never billed.
jp_mortgageMortgage schedules (level payment/principal), total interest, prepayment effect. $0.005/call. Deterministic, cites primary sources; errors and unverified rules are never billed.
jp_payslip_auditAudit a Japanese payslip: recompute statutory premiums and withholding tax from official tables and diff against the actual amounts, with per-item verdicts (match/explainable/mismatch). $0.02/call. Deterministic, cites primary sources; errors and unverified rules are never bille…
jp_crypto_taxJapan crypto-asset tax: realized income under the NTA total-average or moving-average method (sell/spend/exchange as disposals, fees deductible), verified against the official NTA FAQ examples. $0.05/call. Deterministic, cites primary sources; errors and unverified rules are nev…
jp_payroll_suiteJapan payroll suite: net salary + social insurance + income walls (+bonus) in one call. Flat $0.05. Choose this when you want take-home pay, social insurance and the income walls (and the bonus, if given) together from one annual figure in one call; if you only need the take-hom…
Details
| Endpoint | https://mart402.com/mcp/jp (Streamable HTTP) |
| First published | 20 Oct 2026 |
| Last updated | 20 Oct 2026 |
| Registry name | com.mart402/jp-statutory |
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