Provides real tax calculations for US, Canada, Australia, and UK income, property, and dividend taxes using up-to-date local data with no API keys required.
39 tax tools for US individual taxpayers — federal/state tax calculations, credits, deductions, retirement strategies, audit risk, and tax planning. All calculations run locally, no data leaves the machine. Supports TY2024 and TY2025 (One Big Beautiful Bill Act).
Enables AI assistants to compute US take-home pay, self-employment taxes, and capital gains taxes for the 2026 tax year using the engine from statetakehome.com.
Enables Dutch income tax calculations: converts gross to net salary, net to gross, compares multiple salary scenarios, and provides tax bracket data for supported years. Every result includes a detailed breakdown and a thetax.nl permalink.
Open-source, accountant-verified tax computation skills for AI agents. 261+ skills across 172+ jurisdictions covering income tax, VAT/GST, payroll, corporate tax, crypto, and cross-border planning. Every skill is verified section-by-section by licensed CPAs and chartered accountants. 3 tools (list_skills, get_skill, get_skill_sections) and 1 prompt (skill-review).
Deterministic US equity-compensation tax optimizer. Six tools cover ISO/AMT exercise scheduling, NSO sell-vs-hold, RSU vest-and-sell, single-stock concentration, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification. Federal plus 50-state plus DC tax math.