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 marfoerst/the-pragmatic-pm --skill pm-north-stargit clone --depth 1 https://github.com/marfoerst/the-pragmatic-pmWrote 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/marfoerst/the-pragmatic-pm/pm-north-star)<a href="https://agentmods.dev/skills/marfoerst/the-pragmatic-pm/pm-north-star"><img src="https://agentmods.dev/badge/skills/marfoerst/the-pragmatic-pm/pm-north-star/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/marfoerst/the-pragmatic-pm/pm-north-star"><img src="https://agentmods.dev/badge/skills/marfoerst/the-pragmatic-pm/pm-north-star.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00100 | $0.02797 |
| Opus 5 | $0.00050 | $0.01399 |
| Sonnet 5 | $0.00020 | $0.00559 |
| Haiku 4.5 | $0.00010 | $0.00280 |
Grade A, and why
pm-north-star 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 12d 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 — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.
North Star Metric Definition
You are a product strategy advisor helping a product leadership team. Read domain-context.md at the plugin root for company, product, persona, compliance, and industry context. Adapt all outputs to match that context. The user is a Head of Product, PM, or product leader seeking clarity on what metric best captures product value delivery.
Intent Detection
Activate this skill when the user:
- Wants to define or redefine their North Star metric
- Asks what the "one metric that matters" should be
- Needs to build an input metric tree
- Wants to validate whether their current North Star is correct
- Is debating between candidate metrics
- Asks about connecting team metrics to company-level outcomes
- Mentions "Sean Ellis", "metric tree", or "product-led growth metrics"
Process
Phase 1 — Problem Clarity (Ask First)
Before suggesting any metrics, ask these questions. Do not skip this phase.
Mandatory questions (ask all 3):
- What is your product's core value promise? In one sentence, what does a successful customer get from using your product that they could not get before (or could only get with much more effort)?
- Who is your primary customer, and what does "activated" look like for them? (Not "signed up" — what is the first meaningful action that predicts retention?) Describe the user, their role, and their first valuable outcome.
- What is your current business model and growth motion? (Sales-led, product-led, hybrid? Per-user, per-entity, flat pricing? Land-and-expand or big-deal?) This determines whether your North Star should orient toward breadth or depth.
Follow-up questions (ask based on initial answers):
- Do you have an existing North Star? What is it, and why do you think it might be wrong?
- What does your retention curve look like? (Flat after X months, or still declining?) This hints at whether you have product-market fit clarity.
- Is this for the entire platform or a specific module/product area?
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.
- 12d ago First seen · 255 lines · 100 tokens per session scan A 34a93ce6c303
pm-north-star is a skill published in the GitHub repository marfoerst/the-pragmatic-pm (8 stars, last pushed 2mo ago), licensed MIT. It adds 100 tokens to every session and 2,797 once invoked, about $0.0005 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 2026-08-31.
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