Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add cnfeat/top-pm-skills --skill problem-definitiongit clone --depth 1 https://github.com/cnfeat/top-pm-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/cnfeat/top-pm-skills/problem-definition)<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/problem-definition"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/problem-definition.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00049 | $0.01000 |
| Opus 5 | $0.00024 | $0.00500 |
| Sonnet 5 | $0.00010 | $0.00200 |
| Haiku 4.5 | $0.00005 | $0.00100 |
Grade A, and why
problem-definition scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Problem Definition
Help the user define problems clearly before jumping to solutions using frameworks from 91 product leaders.
How to Help
When the user asks for help with problem definition:
- Understand the current framing - Ask how they're currently thinking about the problem
- Dig into the struggling moment - Help them articulate the specific context where users feel stuck
- Separate problem from solution - Ensure they haven't conflated a desired feature with the underlying need
- Validate the problem matters - Help them confirm the problem is urgent and widespread enough to solve
Core Principles
Digitizing analog isn't enough
Bret Taylor: "Why use this instead of the Yellow Pages? It was a digital version of something that had come before." Simply digitizing an analog predecessor often fails because it lacks a native reason to exist on the new platform. Ask "why should a customer give this the time of day?"
Prototype to define the problem
Jake Knapp + John Zeratsky: "This idea of getting unstuck and turning maybe some abstract ideas or some concepts that you've been discussing, turning that into a concrete prototype, something that you can look at and you can click around." Moving from abstract concepts to concrete prototypes is the fastest way to define and solve a problem.
Avoid the shiny object trap
Marily Nika: "There is something called the shiny object trap, and I'm always telling people, 'Hey, don't do AI for the sake of doing AI.' Make sure there is a problem there." Ensure AI (or any new technology) is used to solve a specific, validated user pain point rather than for its own sake.
Struggling moments cause demand
Bob Moesta: "A struggling moment causes demand. And you start to realize that in some cases that struggling moment exists and can exist for a long time and nobody solved it." Demand is created by a specific "struggling moment" in a user's life, not by the product itself. Study the context that makes users' behavior rational.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 72 lines · 49 tokens per session scan A a3fce7a3a085
problem-definition is a skill published in the GitHub repository cnfeat/top-pm-skills (48 stars, last pushed 2mo ago), licensed MIT. It adds 49 tokens to every session and 1,000 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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