io.github.theluckystrike/aca-premium-tax-credit-calculator-mcp · v1.0.0 · finance-and-payments
ACA Premium Tax Credit Calculator is healthy: it completed an MCP handshake in 1376 ms and exposes 4 tools.
2026 ACA premium tax credit: expired enhanced subsidy, 400% FPL cliff, FPL, APTC repayment rules.
Endpoint: https://aca-premium-tax-credit-calculator-mcp.lipmichal.workers.dev/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 4 |
| Latency | 1376 ms |
| Last checked (UTC) | 2026-11-02T07:55:36.676Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-11-02T07:55:36.676Z | Healthy | 1376 |
get_federal_poverty_level | Returns the federal poverty line (FPL) used for the ACA premium tax credit for a coverage year, household size and state, plus the 100%, 133%, 138%, 150%, 200%, 250%, 300% and 400% income thresholds. Coverage year Y uses the HHS guidelines published in year Y-1: 2026 coverage uses the 2025 guideline |
calculate_premium_tax_credit | Calculates the ACA Marketplace premium tax credit (IRC sec. 36B) the way Form 8962 does. For 2026 coverage the enhanced ARPA/IRA credits have expired (no extension enacted as of 2026-11-02): the IRS Rev. Proc. 2025-25 table applies (2.10% of income below 133% FPL rising to 9.96% at 300-400% FPL) and |
check_subsidy_cliff | Shows the dollar effect of the 400% federal poverty line subsidy cliff that returned for 2026 coverage after the enhanced premium tax credits expired: the cliff income for the household, the credit at exactly 400% FPL, the credit at $1 more (zero), and the loss. With household_income it also gives t |
get_aptc_repayment_cap | Returns the cap on repaying excess advance premium tax credit (APTC) at tax time. For tax year 2025: Form 8962 Table 5 ($375/$750 below 200% FPL, $975/$1,950 at 200-300%, $1,625/$3,250 at 300-400%, single/other filing status; no cap at 400% or more). For tax year 2026 and later there is NO cap: the |