Gives an AI assistant the federal tax breaks from the One Big Beautiful Bill Act (P.L. 119-21) that are newer than most models: the 2025-2028 car loan interest deduction, the higher SALT cap, the $2,200 child tax credit and the 2026 brackets, with caps and phase-outs copied from irs.gov.
Hosted endpoint (Streamable HTTP, no sign-in, no token). Paste it into Claude.ai custom connectors or ChatGPT developer mode.
https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp
Claude Code
claude mcp add --transport http car-loan-interest-deduction https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp
Local (stdio)
npx -y github:theluckystrike/car-loan-interest-deduction-calculator-mcp
calculate_car_loan_interest_deduction | 2025-2028 car loan interest deduction: $10,000 cap, $200 per $1,000 MAGI phase-out over $100,000 / $200,000, and the vehicle tests (new, US final assembly, personal use, loan after 2024). |
calculate_salt_deduction | SALT cap of $40,000 (2025) and $40,400 (2026), 30% phase-down over $500,000 / $505,000 MAGI, $10,000 floor, 1% steps to 2029, $10,000 again in 2030. |
get_tax_brackets_and_standard_deduction | 2025 and 2026 federal brackets and standard deductions from Rev. Proc. 2024-40, the 1040 instructions and Rev. Proc. 2025-32, with tax on a given income. |
calculate_child_tax_credit | $2,200 child tax credit with the 5% phase-out, the tax liability limit and the refundable part up to $1,700 per child. |
Calculators for people: taxbreakcalc.com. Source: github.com/theluckystrike/car-loan-interest-deduction-calculator-mcp.
Results are estimates, not tax advice. Part of the Zovo MCP collection: mcp.zovo.one.