An MCP server that provides deterministic, high-precision business, finance, and operational calculations such as SaaS metrics, currency conversion, business days, and financial formulas, returning structured JSON results.
A personal finance and business economics MCP server that provides math-backed answers to financial questions, including investment growth, loan amortization, debt payoff strategies, and tax estimation, all computed locally without API keys or network calls.
A public, no-auth remote MCP server that exposes Arc & Ledger's free tax calculators and intake funnel as tools inside AI assistants. Provides tools for IRS notice explanation, FBAR/FATCA, LLC vs S-Corp comparison, quarterly tax estimates, and more.