MCP server for US individual taxpayers — 39 tools for federal/state tax calculations, credits, deductions, retirement strategies, and tax planning. All calculations run locally. TY2024 + TY2025 (OBBB Act).

Bloomberg Tax Research provides tax professionals with comprehensive access to primary sources, expert practitioner analysis, portfolios, and tax news for conducting in-depth tax research.

Experimental software to surface potential overpayment, underpayment and other filing issues.

Claude Code skills for state-level business tax compliance. WA B&O, OH CAT, TX Franchise, and more.