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 agentmods add skills/ai-driven-dev/framework/06-product-briefnpx skills add ai-driven-dev/framework --skill 06-product-briefgit clone --depth 1 https://github.com/ai-driven-dev/frameworkWrote 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/ai-driven-dev/framework/06-product-brief)<a href="https://agentmods.dev/skills/ai-driven-dev/framework/06-product-brief"><img src="https://agentmods.dev/badge/skills/ai-driven-dev/framework/06-product-brief.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 | $0.00042 | $0.00325 |
| Opus 5 | $0.00021 | $0.00162 |
| Sonnet 5 | $0.00008 | $0.00065 |
| Haiku 4.5 | $0.00004 | $0.00032 |
Grade A, and why
06-product-brief 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 2d 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.
What it actually says
Product Brief
flowchart LR
source([idea or product]) --> frame
frame --> discover
discover -->|"ready or assumptions accepted"| shape
discover -->|"visual helps"| visualize
visualize -->|"accepted or skipped"| shape
shape -->|"evidence gap"| discover
shape --> finalize
finalize -->|"learn more"| discover
finalize -->|"change visual"| visualize
finalize -->|"revise brief"| shape
finalize -->|"authorized"| done([Product Brief])
Actions
Run the flow above. Read only the next action file.
| Action | Does |
|---|---|
| frame | establish scope and evidence path |
| discover | research, question, and challenge |
| visualize | clarify with an optional product view |
| shape | compose one Product Brief |
| finalize | refine, approve, and persist |
Transversal rules
- Keep product and lifecycle decisions with the user.
- Separate evidence, decisions, and assumptions.
- Preserve source links and existing edits.
- Ask natural questions; never expose actions, references, or unchanged state.
- Require explicit approval or caller-provided bounded authority before any write.
- Frame the opportunity; never write requirements.
What ships with it
12 files 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.
- actions/01-frame.md 1.1 KB
- actions/02-discover.md 1.1 KB
- actions/03-visualize.md 630 B
- actions/04-shape.md 890 B
- actions/05-finalize.md 1.6 KB
- assets/product-brief.md 1022 B
- references/brief-quality.md 441 B
- references/evidence.md 848 B
- references/handoffs.md 541 B
- references/persistence.md 492 B
- references/techniques.md 754 B
- references/visuals.md 469 B
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.
- 2d ago First seen · 44 lines · 42 tokens per session scan A 14c23aaf31c4
06-product-brief is a skill published in the GitHub repository ai-driven-dev/framework (455 stars, last pushed today), licensed MIT. It adds 42 tokens to every session and 325 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 2026-09-03.
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