Car Loan Interest Deduction Calculator is answering right now. Last checked 12 min ago. It exposes 4 tools. Last commit 2 Nov 2026.
2025-2028 car loan interest deduction, SALT cap, child tax credit and 2026 tax brackets (IRS).
Uptime history
7 days of history
7 days agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
235 ms
Response time
average over 24h
0
Stars
last commit 2 Nov 2026
Nothing serious here today
Today is the operative word: we check Car Loan Interest Deduction Calculator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.
run in your terminal
claude mcp add car-loan-interest-deduction-calculator-mcp --transport http https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcpSettings → Connectors → Add custom connector, then paste this address
https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp~/.codex/config.toml
[mcp_servers.car-loan-interest-deduction-calculator-mcp]
url = "https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp".cursor/mcp.json
{
"mcpServers": {
"car-loan-interest-deduction-calculator-mcp": {
"url": "https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"car-loan-interest-deduction-calculator-mcp": {
"type": "http",
"url": "https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp"
}
}
}Available tools 4
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
calculate
calculate_car_loan_interest_deduction
Calculates the 2025-2028 federal deduction for car loan interest created by the One Big Beautiful Bill Act (P.L. 119-21, IRC 163(h)(4)) the way IRS Schedule 1-A Part IV does: up to $10,000 of qualified passenger vehicle loan interest, then $200 off for each $1,000 or part of $1,000 of MAGI over $100,000 ($200,000 married filing jointly), so it reaches $0 at $149,001 ($249,001 joint). Checks the eligibility tests: loan originated after Dec 31 2024, new vehicle, final assembly in the US, personal use, car/minivan/van/SUV/pickup/motorcycle under 14,000 lb GVWR, first lien, not a lease. Available whether or not you itemize. Rules copied from the 2025 Schedule 1-A, Form 1040 instructions and IRS Notice 2025-57.
calculate_child_tax_credit
Calculates the child tax credit as Schedule 8812 does after the One Big Beautiful Bill Act: $2,200 per qualifying child under 17 for 2025 and 2026, $500 per other dependent, reduced by 5% of MAGI over $400,000 joint / $200,000 others (excess rounded up to the next $1,000), limited by tax liability, with the refundable additional child tax credit of up to $1,700 per child at 15% of earned income over $2,500. Amounts from the 2025 Schedule 8812 and Rev. Proc. 2025-32.
calculate_salt_deduction
Calculates the deductible state and local tax (SALT) on Schedule A under the One Big Beautiful Bill Act cap (IRC 164(b)(6)-(7)): $40,000 for 2025 and $40,400 for 2026 ($20,000 / $20,200 married filing separately), rising 1% a year through 2029, reduced by 30% of MAGI over $500,000 (2025) or $505,000 (2026) but never below $10,000, then back to a flat $10,000 in 2030. Uses the IRS State and Local Tax Deduction Worksheet. Optionally compares itemizing with the standard deduction. Amounts copied from the 2025 Schedule A instructions, the 2026 draft Schedule A and the statute.
tax
get_tax_brackets_and_standard_deduction
Returns the official 2025 and 2026 federal income tax brackets and standard deductions after the One Big Beautiful Bill Act: 2026 standard deduction $16,100 single, $32,200 joint, $24,150 head of household (Rev. Proc. 2025-32), 2025 $15,750 / $31,500 / $23,625, plus the additional amount for age 65 or blind. Optionally computes the tax and marginal rate on a taxable income. Says plainly that 2027 amounts are not yet published (checked against the Internal Revenue Bulletin and irs-drop on 2026-11-02).
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev/mcp | streamable-http | answering | 77 ms | 12 min ago |
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Car Loan Interest Deduction Calculator — questions
Answers built from our own checks of this server.
What can Car Loan Interest Deduction Calculator do?
It exposes 4 tools, read directly from the server on our last check. Among them: calculate_car_loan_interest_deduction, calculate_child_tax_credit, calculate_salt_deduction, get_tax_brackets_and_standard_deduction. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README.
How MCP servers expose tools in the first place →
Is Car Loan Interest Deduction Calculator working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 235 ms. The bar chart above shows every period we have measured.
How do I connect Car Loan Interest Deduction Calculator?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Car Loan Interest Deduction Calculator need an API key?
No. Car Loan Interest Deduction Calculator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Car Loan Interest Deduction Calculator?
It answers our handshake in 235 ms on average, which is faster than 58% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Car Loan Interest Deduction Calculator open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at car-loan-interest-deduction-calculator-mcp.lipmichal.workers.dev, which runs on its operator's own terms.