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skills/mohitagw15856/pm-claude-skills/loan-decoder

loan-decoder

2
mohitagw15856/pm-claude-skills·Audit passed·Snapshot 9b3feaee2fd5

Summary

This source did not publish a separate summary. Review SKILL.md before using the skill.

SKILL.md

Loan Decoder Skill

Loan paperwork is built around the number they want you to see (the monthly payment) and several they'd rather you didn't. This skill computes what you'll actually pay in total, then ranks everything in the offer that can quietly move that number against you.

What This Skill Produces

  • The total-cost-of-loan number: everything paid over the life, and total interest + fees
  • APR vs. advertised rate, reconciled — where the gap comes from
  • Ranked red flags: prepayment penalties, junk fees, variable-rate reset exposure, add-ons
  • The three questions that most change this specific deal, plus what's negotiable

Required Inputs

Ask for these only if they aren't already provided:

  • The offer document text — loan estimate, term sheet, or contract. With partial paperwork, decode what's there and list the numbers still needed (APR, fee itemization, penalty terms).
  • Loan basics if not in the text — amount, rate, term, fixed or variable.
  • Their plan — how long they'll keep the loan/asset, and whether they might pay early.

Framework: Severity Scale

  • 🔴 Can cost you real money — prepayment penalties (quote the formula, compute an example), precomputed interest / Rule of 78s, mandatory add-ons folded into principal (credit insurance, warranties, GAP), balloon payments, variable-rate exposure without caps, rate markups.
  • 🟡 Unusual — push back — junk fees (doc/processing/admin fees beyond genuine third-party costs), mandatory arbitration, cross-collateralization, late-fee stacking.
  • 🟢 Standard — ordinary origination structure, genuine third-party costs (appraisal, recording); label them so the reader can relax.

Always show the arithmetic:

  1. Total cost of loan = all payments + all lender-kept fees; show monthly × months + fees and the interest subtotal.
  2. APR vs. advertised rate — explain the gap as fees expressed as a rate; if APR isn't stated, flag it, don't estimate silently.
  3. Variable-rate reset framing — index + margin, caps, and the payment at the caps. Frame as exposure ("payment can go from X to Y"), not prediction.
  • Early-exit math — the cost of paying off in the user's stated timeframe, penalty applied.

    • Output Format

    Loan Decode: [loan type, amount]

    1. The verdict — take it / negotiate these terms first / shop elsewhere, with the total-cost number up front.

    2. The real numbers — total cost, total interest, total fees, APR vs. advertised rate with the gap explained; worst-case reset payment if variable.

    3. Decode table

    Term / feeWhat the document saysWhat it means for youSeverity

    4. 🚩 Red flags, ranked — the quoted line, its dollar cost under a realistic scenario, and the fix to ask for.

    5. The three questions that most change the deal — specific to this offer (e.g. "What's the rate without the add-ons?", "Is there a prepayment penalty, in writing?", "Which fees are yours vs. third-party?").

    6. What's negotiable — rate, fees, add-ons, penalty removal — and which lever moves the total most.

    End the artifact with, verbatim: "This is a plain-language reading, not legal/financial advice — laws vary by jurisdiction; confirm anything load-bearing with a qualified professional."

    Quality Checks

    • Total-cost-of-loan is computed with visible arithmetic, not asserted
    • APR vs. advertised rate is reconciled or explicitly flagged as missing
    • Variable-rate exposure is shown as concrete payment amounts at the caps
    • Every red flag quotes the document and prices the harm in dollars
    • Missing numbers are listed as [to confirm], never estimated silently
    • The disclaimer line appears verbatim in the artifact

    Anti-Patterns

    • Do not invent terms, rates, or fees that aren't in the document
    • Do not soften a red flag to seem balanced — a prepayment penalty is a cost, name it
    • Do not present jurisdiction-dependent lending rules as universal
    • Do not compare against "typical market rates" as fact — frame comparisons as ranges to verify
    • Do not let the monthly payment carry the verdict — total cost is the headline

    Based On

    Borrower-side loan review practice — total-cost math, APR reconciliation, fee auditing, reset-scenario framing.

    Related skills

    capacity-planningcompetitor-teardowncontext-engineering-reviewrunbook-writerreceipts-audit