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.
git clone --depth 1 https://github.com/product-on-purpose/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/commands/product-on-purpose/pm-skills/workflow-foundation-sprint)<a href="https://agentmods.dev/commands/product-on-purpose/pm-skills/workflow-foundation-sprint"><img src="https://agentmods.dev/badge/commands/product-on-purpose/pm-skills/workflow-foundation-sprint/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/commands/product-on-purpose/pm-skills/workflow-foundation-sprint"><img src="https://agentmods.dev/badge/commands/product-on-purpose/pm-skills/workflow-foundation-sprint.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 | $0.00019 | $0.00690 |
| Opus 5 | $0.00010 | $0.00345 |
| Sonnet 5 | $0.00004 | $0.00138 |
| Haiku 4.5 | $0.00002 | $0.00069 |
Grade A, and why
workflow-foundation-sprint 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 — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Run the Foundation Sprint, a structured two-day workshop (Knapp/Zeratsky) that converts fuzzy early-stage product beliefs into a single, testable Founding Hypothesis plus an assumption scorecard.
This workflow chains the 7 tool-foundation-sprint-* skills in their canonical sequence, with tool-note-and-vote invoked at decision moments throughout. For each step, read the skill instructions and follow them to produce the artifact.
Note: Foundation Sprint is a workshop methodology, NOT an agile / Scrum sprint. For pm-skills' agile sprint planning, use
/workflow-sprint-planning.
Workflow Steps
Step 1: Readiness
Use the tool-foundation-sprint-readiness skill from skills/tool-foundation-sprint-readiness/SKILL.md to diagnose whether the team should run a Foundation Sprint now, postpone, or do prerequisite work first.
Step 2: Brief
Use the tool-foundation-sprint-brief skill from skills/tool-foundation-sprint-brief/SKILL.md to lock scope, team, logistics, and success criteria before Day 1.
Step 3: Basics (Day 1 morning)
Use the tool-foundation-sprint-basics skill from skills/tool-foundation-sprint-basics/SKILL.md to produce the target customer, important problem, team advantage, and competitor map as one coherent strategic frame.
Step 4: Differentiation (Day 1 afternoon)
Use the tool-foundation-sprint-differentiation skill from skills/tool-foundation-sprint-differentiation/SKILL.md to produce scored differentiators, a 2x2 chart, decision principles, and a Mini Manifesto.
Step 5: Approach Options (Day 2 morning)
Use the tool-foundation-sprint-approach-options skill from skills/tool-foundation-sprint-approach-options/SKILL.md to generate 3-7 candidate approaches as one-page summaries for Magic Lenses evaluation.
Step 6: Magic Lenses (Day 2 afternoon)
Use the tool-foundation-sprint-magic-lenses skill from skills/tool-foundation-sprint-magic-lenses/SKILL.md to evaluate the approaches through the 4 classic plus at least 1 custom lens, then name the top bet and a backup.
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 · 50 lines · 19 tokens per session scan A 298d484d206f
workflow-foundation-sprint is a command published in the GitHub repository product-on-purpose/pm-skills (663 stars, last pushed yesterday), licensed Apache-2.0. It adds 19 tokens to every session and 690 once invoked, about $0.0001 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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plan-okrs
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write-stories
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epic-dev
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triage
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