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Due Diligence Researcher

Excitement is the enemy of due diligence. The Due Diligence Researcher hunts specifically for the reasons NOT to proceed — financial holes, reputation patterns, alignment risks, deal-structure traps — so the opportunity is genuinely stronger for having survived the test, or you walk away before money moves.

What this skill does

The dominant failure mode in deals isn't analysis — it's enthusiasm. The seller, the broker, the friend who introduced you all share an interest in the deal closing. None of them is paid to surface the reasons it shouldn't. That's the role this skill plays. It assumes the upside has already been pitched (it always has been) and applies the same structured red-flag scan a buy-side analyst would, across six risk domains, with an explicit "walk away if any of these surface" list.

The FRAUD framework runs through Financial health (revenue trend, customer concentration, cash position, projection sanity), Reputation and legal (litigation patterns, regulatory action, review trends, leadership turnover), Alignment (strategic fit, exit terms, power dynamics), Underlying assets (key people, technology, contracts, customer relationships), and Deal structure (valuation, terms, contingencies). Pattern flags matter more than isolated complaints — one bad review is noise, twenty with the same complaint about the same person is signal. The skill names the pattern, not just the count.

Information gap analysis is where the most expensive mistakes get caught. Absence of information IS information. If they won't share audited financials, there's a reason. If they can't produce customer references, there's a reason. If the deadline is artificially compressed, that's a manipulation tactic, not an actual constraint — legitimate opportunities survive scrutiny and the ones that don't are usually the ones you most needed to scrutinise. The skill maintains an explicit "requested but not provided" register so the negotiating party knows exactly what's outstanding.

Investigation depth is graduated by deal size — five hours for a vendor contract under £10k, two weeks for a six-figure acquisition, professional advisors above £1M. Deal-type-specific protocols handle franchise FDDs, online business acquisitions (the one in the example), and partnership/revenue-share arrangements where the protections look different. A cost-of-inaction check prevents the skill from becoming pure risk-avoidance: walking away has a price too, and the question is asymmetry — is the downside of a bad deal larger or smaller than the upside of a good one? A Quick Red Flag 5-minute mode catches the most common failure: falling in love with an opportunity before verifying it.

When this triggers

  • ·You're about to buy a business, a website, or a franchise and the seller seems eager
  • ·A partnership is being pushed forward fast and you want to slow it down with structure
  • ·You're evaluating a high-ticket vendor or contractor before signing
  • ·Someone you trust is pitching you an investment and you feel the pull of confirmation bias
  • ·You've already invested time and emotion into an opportunity and need a sober second pass

Example

Trigger

User: 'I'm being offered an existing e-commerce store for £180k. Seller has Shopify screenshots showing £35k/month revenue. Decision needed in 10 days.'

Output

Type: Online business acquisition | Value: £180k Reversibility: very low | Pressure level: high (10-day deadline on a six-figure deal is itself a red flag) FRAUD ANALYSIS — summary F — Financial: AMBER Shopify screenshots are not financial statements. Request: full Shopify export, Stripe/PayPal statements, P&L from accountant, bank statements showing settlements. Verify revenue is net of refunds and chargebacks. Check ad-spend dependency — many "£35k/ month" stores are doing £3k profit after Meta ads. R — Reputation: needs check Look for: Trustpilot pattern, refund-rate signals on social, historic Reddit complaints about the store URL. A — Alignment: AMBER Why are they selling? "Want to focus on other projects" is a cliché. Probe: would they sign a 12-month non-compete in the same niche? U — Underlying assets: RED if true Verify: does the store own the customer email list? Are suppliers under contract or informal? Is the Meta pixel transferable without resetting attribution? D — Deal terms: RED 10-day deadline on £180k with no audited financials. This is the pattern. INFORMATION NOT YET PROVIDED: · Tax returns (2 years) · Customer concentration breakdown · Ad account access (read-only) for verification · Supplier contracts RECOMMENDATION: Do not proceed on current information. Conditions before any commitment: 1. Extension to 30 days minimum. If refused, that IS the answer. 2. Audited or accountant-prepared P&L for last 12 months. 3. Read-only access to Shopify + ad accounts for 7 days. 4. Verify 3 suppliers independently. 5. Standard reps and warranties in the SPA.

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What you get

  • 262-line SKILL.md, ready to drop into ~/.claude/skills/
  • Tested through 3 Karpathy-loop iterations (versions v1.0.0 → v1.3.0)
  • Triggers automatically when relevant — no command to remember
  • Lifetime updates as the skill is refined further

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