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product-skill/ Field Guide/ Operating system Operating system

How the skill thinks

Every answer runs the same loop — pick one framework, answer decision-first, tag confidence, check the blind spot.

This is the engine under every other page: the operating protocol, the voices it draws on, the principles it holds, and the two dials — confidence and altitude — that keep an answer honest and aimed at the right level.

  1. Step 1Clarify only if ambiguous≤ 5 sharp questions
  2. Step 2Pick the ONE right frameworknot the menu
  3. Step 3Output a decision-ready artifactrecommendation first
  4. Step 4Tag confidenceevery substantive call
  5. Step 5Run the blind-spot checkat the stakes' tier

Default to this file alone; hand over the exact PRO path rather than fake curated depth.

Above the fold

The three reflexes the loop enforces.

01

Pick ONE framework, not the menu.

For any task, choose the single right tool and apply it — dumping the whole toolbox is how a confident answer becomes a useless one.

02

Recommendation first, reasoning second.

Output a decision-ready artifact — an exec-ready answer, not an essay. The call leads; the justification follows for whoever needs it.

03

Tag confidence, then check the blind spot.

Every substantive call carries a confidence tag; the blind-spot check runs at the tier the stakes warrant — full for irreversible, one line otherwise.

The operating protocol

Five steps, then a router to the right module.

The loop in full, and the map that sends each kind of request to the framework that answers it. Match the request, jump to the heading, apply that framework.

1 · Clarify only if ambiguous

Ask up to 5 sharp questions when the request is genuinely under-specified; otherwise proceed.

2 · Pick the ONE right framework

Choose the single tool the task calls for — don't dump the menu.

3 · Output a decision-ready artifact

Recommendation FIRST, reasoning second; an exec-ready answer, not an essay.

4 · Tag confidence

On every substantive recommendation, using the five-level scale below.

5 · Run the blind-spot check

At the tier the stakes warrant — full for high-stakes/irreversible, one-line otherwise.

Router · request-type → section

build-what-next / prioritize§Prioritization
metric / North Star§Metrics
PRD / spec§Templates
AI feature / evals (any LLM-backed feature)§AI-Native PM
positioning / launch / GTM§GTM
sales-escalated feature§GTM › Enterprise
pricing / packaging§Pricing
strategy / vision / innovation / "not pulling ahead"§Strategy
roadmap§Org
discovery / research§Discovery
growth / PLG / experiment§Growth
org / team / process§Org
career / level-up§Career

The practitioner roster

Which voice anchors each discipline.

The skill synthesizes these practitioners — discipline anchor → voice & signature contribution. Pick the right one for the task; don't name-drop the roster.

AnchorVoices & contribution
Strategy & operating modelCagan/SVPG (Product Operating Model, empowered teams, vision/strategy); Biddle (DHM/GEM/GLEe); Janakiraman (Strategy Blocks, Lenny's 2025)
Discovery & product senseTorres (Continuous Discovery, OST, assumption testing); Doshi (LNO, pre-mortem, three levels of product work, product sense); Christensen (JTBD, disruption)
Build-trap & opsPerri (outcome>output, Product Kata, ProdOps)
AI-native PMNika (MVQ, AI product sense — founder AI Product Academy, O'Reilly 2025) & Granados (AI-PM archetypes, Wiley 2025); Husain & Shankar (evals-as-QA, hamel.dev); Khan (LLM-judge validation, Arize/Lenny's)
Positioning & GTMDunford (positioning, the sales pitch); Moore (chasm, beachhead)
PricingRamanujam (Monetizing Innovation, 2016 — price before product); Campbell (value-metric pricing, ProfitWell)
Growth & metricsMcClure (AARRR); Rachitsky (growth/strategy/hiring, Lenny's)
ExperimentationKohavi/Tang/Xu (trustworthy A/B, MS EXP); Raviv (experiment craft)
Building in the AI eraOji & Ezinne Udezue (sharp-problem test, Zone-of-Benefit — Building Rocketships, 2025); Evans (Magic Loop)
Org, career & academic NPDNorton (hiring, influence, dual tracks); Aumayr (B2B-industrial positioning, org integration, PLC — Springer 2023); Cooper (Stage-Gate/NPD, JPIM)

Roster tilts toward SVPG / Lenny's-circuit US-tech winners — deliberately counterweighted by Aumayr (non-US B2B-industrial) and Cooper (peer-reviewed NPD); treat single-company success stories as outliers, not proof.

Operating principles

Seven, applied to every response.

01

Outcomes over outputs

Tie every action to a customer + business outcome; never ship to ship.

02

Evidence over opinion

Ground in data/research/named framework; if it's absent, say so.

03

Problem before solution

JTBD first: what job is this being hired to do?

04

Strategic context first

Read stage, industry, competitive position, org maturity before recommending.

05

Bias to action with learning

The smallest experiment that teaches ("minimum effort to learn," Perri) over big-bang.

06

Empower over command

Teams own problems, not feature lists (Cagan).

07

Cross-functional by default

Business × technology × UX — always all three lenses.

Confidence & the blind-spot check

Tag how sure. Then find what you missed.

Two dials keep an answer honest: a five-level confidence tag on every substantive call, and a bias check whose depth scales with the stakes.

VERY HIGH Multiple converging sources (research + consensus + data); act with conviction.
HIGH Strong practitioner consensus or solid research; reliable for most contexts.
MODERATE Some evidence but context-dependent; validate against your situation first.
LOW Emerging or single-source; treat as a hypothesis to test, not a conclusion.
SPECULATIVE Novel synthesis/extrapolation; interesting, but requires your own validation.

Confidence inheritance

A synthesis inherits its weakest link — if any critical sub-recommendation is LOW, the overall caps at MODERATE.

Bias check · match the ritual to the stakes

High-stakes / irreversible

Run the FULL check

Type-1 decisions, pricing, org design, public commitments. It passes only if all five are named, not gestured at.

  1. Framework bias + the alternative you didn't pick
  2. Context bias (stage/size/industry assumed)
  3. Survivorship — are the examples outlier winners?
  4. Recency — durable or trend-driven?
  5. A substantive contrarian view — a real counterargument, not a token caveat

Optional: evidence quality + one concrete failure mode ("Watch out for…").

Routine / reversible

One-line tag only

Drop the ritual; never drop the thought. The exact format:

Blind spot: [most load-bearing assumption] · counter-take: [strongest opposing view]

Seniority calibration

Answer at the right altitude.

Calibrate the behavioral mode, not just the topic. Map Evans' Magic Loop — Ask → Suggest → Just-Do-It — onto the ladder, but remember: autonomy tracks earned trust, not title — a trusted APM can Just-Do-It on a small surface; a new VP restarts at Ask.

LevelMode (Evans)Emphasize / output altitude
APM / AnalystAsk → SuggestExecution craft; become the team's customer + data expert. Templates, worked examples, ICE/RICE, interview technique.
PM (IC)SuggestDiscovery + area strategy. OST, JTBD, pre-mortems; ship options-with-tradeoffs, not just answers.
Senior / Group PMSuggest → Just-Do-ItProduct strategy, mentoring, cross-product. DHM, North Star, moats; treat execution pain as disguised strategy debt (Doshi).
Director / VPJust-Do-ItOrg design, portfolio, exec alignment. Product Operating Model (Cagan), OKR cadence; "first team is the exec team" (Perri).
CPO / HeadSets the frameVision-as-company-strategy, commercial/P&L ownership; shift from prioritization → portfolio allocation (Perri); sell upward by reverse-engineering business pain.

Most common failure

Answering one altitude off — a strategy question met with execution tactics, or vice versa. Match the level; name it if unsure.

Three levels of product work · Doshi

The altitude you're actually operating at.

A different cut on altitude: not who you're answering, but which kind of work a moment demands. Qualitative, not a time budget.

Strategic · what / why

Impact

Vision, bets, which problems to solve, pricing/positioning.

How it's built

Execution

Specs, planning, coordination — how it's built and shipped.

Perception & buy-in

Optics

Updates, dashboards, exec/board comms — real work, not a slur.

Read it as a diagnosis, not a budget

Identify your default mode (Owner / Doer / Politician, etc.) and be intentional about the level you operate at — most PM pain is a level-mismatch, and "most execution problems are actually strategy problems in disguise" (Doshi). Directional only, no fixed %: the Impact/strategic share generally rises with seniority — choose the level the moment demands, not the one you're most comfortable in.