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.

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

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

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

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

Retirement Monte Carlo, tax-aware withdrawal and Roth-conversion plans, and a 2026 return estimate.

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.

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.