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Select the right Proof of Life (PoL) probe based on hypothesis, risk, and resources. Use this to match the validation method to the real learning goal, not tooling comfort.
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npx skills add https://github.com/deanpeters/Product-Manager-Skills --skill pol-probe-advisorコマンドは1行のまま表示されます。コピー前に横へスクロールして全体を確認してください。
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SOC 職業分類に基づく
SKILL.md を表示中
| name | pol-probe-advisor |
| argument-hint | [hypothesis or risk] |
| description | Select the right Proof of Life (PoL) probe based on hypothesis, risk, and resources. Use this to match the validation method to the real learning goal, not tooling comfort. |
| intent | Guide product managers through selecting the right **Proof of Life (PoL) probe** type (of 5 flavors) based on their hypothesis, risk, and available resources. Use this when you need to eliminate a specific risk or test a narrow hypothesis, but aren't sure which validation method to use. This interactive skill ensures you match the cheapest prototype to the harshest truth—not the prototype you're most comfortable building. |
| type | interactive |
| best_for | ["Choosing the cheapest useful validation method for a risky idea","Matching a hypothesis to the right Proof of Life probe","Avoiding overbuilding before learning the harsh truth"] |
| scenarios | ["Which Proof of Life probe should I use to test demand for this idea?","Help me pick the right validation method for an onboarding hypothesis","I have a risky AI concept. What PoL probe should I run first?"] |
| theme | validation-experiments |
| estimated_time | 15-20 min |
Guide product managers through selecting the right Proof of Life (PoL) probe type (of 5 flavors) based on their hypothesis, risk, and available resources. Use this when you need to eliminate a specific risk or test a narrow hypothesis, but aren't sure which validation method to use. This interactive skill ensures you match the cheapest prototype to the harshest truth—not the prototype you're most comfortable building.
This is not a tool for deciding if you should validate (you should). It's a decision framework for choosing how to validate most effectively.
Works best with: The hypothesis you want to validate or the risk you want to eliminate. Also useful: Your resources (time, budget, engineering access), audience access, and what failure would cost.
Anything supplied with the invocation itself — text after the skill name, a pasted context dump, or an appended ARGUMENTS: line — counts as answers already given. Use it and skip whatever it covers; don't re-ask.
Arriving empty-handed? That works too. The advisor opens by asking what you're trying to learn, then matches you to one of the 5 probe flavors.
Example invocation: Which probe fits? Hypothesis: mid-market HR teams will trust AI-drafted job descriptions enough to publish them; 2 weeks, no eng support.
Common failure mode: PMs choose validation methods based on tooling comfort ("I know Figma, so I'll design a prototype") rather than learning goal. Result: validate the wrong thing, miss the actual risk.
Solution: Work backwards from the hypothesis. Ask: "What specific risk am I eliminating? What's the cheapest path to harsh truth?"
| Type | Core Question | Best For | Timeline |
|---|---|---|---|
| Feasibility Check | "Can we build this?" | Technical unknowns, API dependencies, data integrity | 1-2 days |
| Task-Focused Test | "Can users complete this job without friction?" | Critical UI moments, field labels, decision points | 2-5 days |
| Narrative Prototype | "Does this workflow earn stakeholder buy-in?" | Storytelling, explaining complex flows, alignment |
| 1-3 days |
| Synthetic Data Simulation | "Can we model this without production risk?" | Edge cases, unknown-unknowns, statistical modeling | 2-4 days |
| Vibe-Coded PoL Probe | "Will this solution survive real user contact?" | Workflow/UX validation with real interactions | 2-3 days |
Golden Rule: "Use the cheapest prototype that tells the harshest truth."
✅ Use this when:
❌ Don't use this when:
problem-statement.md or problem-framing-canvas.md first)Use workshop-facilitation as the default interaction protocol for this skill.
It defines:
Other (specify) when useful)This file defines the domain-specific assessment content. If there is a conflict, follow this file's domain logic.
This interactive skill uses adaptive questioning to recommend the right PoL probe type based on your context.
Agent asks:
Let's figure out which PoL probe type is right for your validation needs. First, I need some context:
1. What hypothesis are you testing? (Describe in one sentence, or use "If [we do X] for [persona], then [outcome]" format)
2. What specific risk are you trying to eliminate? Examples:
3. What's your timeline?
4. What resources do you have available? Examples:
Agent synthesizes user input and asks:
Based on your hypothesis and risk, which of these core questions are you really trying to answer?
Offer 5 options (aligned to probe types):
User response: [Select one number, or describe if none fit]
Based on user selection, agent recommends the matching probe type:
→ Recommended Probe: Feasibility Check
What it is: A 1-2 day spike-and-delete test to surface technical risk. Not meant to impress anyone—meant to reveal blockers fast.
Methods:
Timeline: 1-2 days
Tools:
Success Criteria Example:
Disposal Plan: Delete all spike code after documenting findings.
Next Step: Would you like me to generate a pol-probe artifact documenting this feasibility check?
→ Recommended Probe: Task-Focused Test
What it is: Validate critical moments—field labels, decision points, navigation, drop-off zones—using specialized testing tools. Focus on observable task completion, not opinions.
Methods:
Timeline: 2-5 days
Tools:
Success Criteria Example:
Disposal Plan: Archive session recordings, document learnings, delete test prototype.
Next Step: Would you like me to generate a pol-probe artifact documenting this task-focused test?
→ Recommended Probe: Narrative Prototype
What it is: Tell the story, don't test the interface. Use video walkthroughs or slideware storyboards to explain workflows and measure interest. This is "tell vs. test"—you're validating the narrative, not the UI.
Methods:
storyboard.md component skill)Timeline: 1-3 days
Tools:
Success Criteria Example:
Disposal Plan: Archive video, document feedback, delete supporting files.
Next Step: Would you like me to generate a pol-probe artifact documenting this narrative prototype?
→ Recommended Probe: Synthetic Data Simulation
What it is: Use simulated users, synthetic data, or prompt logic testing to explore edge cases and unknown-unknowns without touching production. Think "wind tunnel testing, cheaper than postmortem."
Methods:
Timeline: 2-4 days
Tools:
Success Criteria Example:
Disposal Plan: Delete synthetic data, archive findings, document edge cases.
Next Step: Would you like me to generate a pol-probe artifact documenting this synthetic data simulation?
→ Recommended Probe: Vibe-Coded PoL Probe
What it is: A Frankensoft stack (ChatGPT Canvas + Replit + Airtable) that creates just enough illusion for users to interact with a semi-functional workflow. Not production-grade—just enough to catch UX/workflow signals in 48 hours.
⚠️ Warning: This is the riskiest probe type. It looks real enough to confuse momentum with maturity. Use only when you need real user contact and other methods won't suffice.
Methods:
Timeline: 2-3 days
Stack Example:
Success Criteria Example:
Disposal Plan: Delete all code after user sessions, archive Loom recordings, document learnings.
Next Step: Would you like me to generate a pol-probe artifact documenting this vibe-coded probe?
Agent offers:
I recommend using [selected probe type] for your hypothesis. Would you like me to:
pol-probe artifact (using the pol-probe.md template) with your hypothesis, success criteria, timeline, and disposal plan?User selects option, and agent executes accordingly.
If user is uncertain or hypothesis is too broad:
Agent asks:
Your hypothesis seems broad or tests multiple things at once. PoL probes work best when they're narrow and falsifiable. Let me ask a few clarifying questions:
Clarifying Questions:
Agent then re-recommends probe type based on refined hypothesis.
User Context:
Agent Reasoning:
Recommendation: Task-Focused Test using UsabilityHub
User Context:
Agent Reasoning:
Recommendation: Feasibility Check using prompt engineering spike
Outcome: Error rate was 18%. Decided NOT to build feature. Saved 6 weeks of development.
User Context:
Agent Reasoning:
Recommendation: Narrative Prototype using Loom walkthrough
Why NOT Vibe-Coded Probe: You don't need users to interact with security settings—you need them to understand the concept. Narrative is cheaper and faster.
User Context:
Agent Response:
⚠️ This is prototype theater, not a PoL probe.
You're testing internal politics, not user behavior or technical feasibility. PoL probes eliminate product risk, not organizational risk.
Recommendation: Skip the prototype entirely. Instead:
If executives need a demo, build it after you've validated the hypothesis with real users.
Failure Mode: "I know Figma, so I'll design a UI prototype" (even if design isn't the risk).
Consequence: Validate the wrong thing; miss the actual risk.
Fix: Answer the core question first, then pick the method. If you need a Feasibility Check but only know design tools, pair with an engineer for 1 day.
Failure Mode: "Let's just build it and see what happens."
Consequence: 2 weeks of development before learning you tested the wrong hypothesis.
Fix: Ask: "What's the cheapest prototype that tells the harshest truth?" Usually it's NOT code.
Failure Mode: Vibe-Coded probe "looks real," so team treats it like production code.
Consequence: Scope creep, technical debt, resistance to disposal.
Fix: Set disposal date before building. Vibe-Coded probes are Frankensoft by design—celebrate the jank, delete after learning.
Failure Mode: "Let's test the workflow, the pricing, and the UI in one probe."
Consequence: Ambiguous results—you won't know which variable caused failure.
Fix: One probe, one hypothesis. If you have 3 hypotheses, run 3 probes.
Failure Mode: "We'll know it when we see it."
Consequence: No harsh truth—just opinions and vanity metrics.
Fix: Write success criteria before building. Define "pass," "fail," and "learn" thresholds.