Enables AI assistants to query Korean statutes, delegated legislation, rulings, and administrative interpretations, verify citations, and calculate tax deadlines, penalties, and estimated liabilities.

Get the US federal tax numbers right, with the IRS document each one comes from.

Cited Australian tax answers from 34,500+ ATO documents, legislation and public rulings.

Cited, tax-year-dated rules for state PTET, the federal SALT cap, and bonus-depreciation conformity.

UAE Corporate Tax, CSRD scope, EU AI Act risk class and CBAM cost, each line citing its source law

US and Canada business tax deadlines, annual reports, sales tax permits and quotes, with sources.

Track Australian work-related tax deductions: expenses, assets, car trips and work-from-home days.

Canadian mortgage, tax & land transfer calculators: 12 read-only tools, LTT for all 13 provinces.

Keep Claude Code’s prompt cache warm during breaks and show the estimated cost before a cold send.

Guides Stripe integration decisions across development and test environment planning (separate sandboxes vs the shared test mode sandbox), API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, tax and registrations (S

Retirement Monte Carlo, tax-aware withdrawal plans, 2026 return estimate, state tax in every state.

Official central-bank & tax-authority rates from 100+ sources. No API key needed to start.

Brazilian fixed income (CDB, LCI, LCA, CRI, CRA, Tesouro) ranked by net-of-tax and real return.

Travel ledger for AI: journeys, stays, expenses, tax-residency day counts and Schengen 90/180.

HR, payroll and date calculators: turnover, eNPS, US take-home pay, bonus tax, overtime. No key.

Korean apartment prices, trades, forecasts, tax, school districts, redevelopment, court auctions

Plan and manage trips in China, read saved itineraries, and make Chinese directions and taxi cards.

Brazil NFS-e and tax reform (IBS/CBS) tables: cTribNac, LC 116, NBS, cClassTrib, CST, ISS rates

Score pages against 11,485 public taxonomy categories by embedding similarity. $0.05/call via MCP.

2026 state, city and platform tax profiles for gig workers and creators, plus Roth IRA signups.

Zoning, homes per lot, short-term rentals, tax and flood for any property in Austin and Nashville.