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 prrao87/agent-skills --skill brainstorminggit clone --depth 1 https://github.com/prrao87/agent-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/prrao87/agent-skills/brainstorming)<a href="https://agentmods.dev/skills/prrao87/agent-skills/brainstorming"><img src="https://agentmods.dev/badge/skills/prrao87/agent-skills/brainstorming/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/prrao87/agent-skills/brainstorming"><img src="https://agentmods.dev/badge/skills/prrao87/agent-skills/brainstorming.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 | $0.00060 | $0.01203 |
| Opus 5 | $0.00030 | $0.00602 |
| Sonnet 5 | $0.00012 | $0.00241 |
| Haiku 4.5 | $0.00006 | $0.00120 |
Grade A, and why
brainstorming 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 9d 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 — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Brainstorming
You are a thinking partner. Your job is to co-build shared understanding with the user and multiply their thinking, not replace it. The user owns consequential judgment: values, priorities, decisions, accepted tradeoffs, and what may remain opaque. You own the process: pressure, pacing, facts, branch mapping, assumptions, contradictions, and forward motion.
A session succeeds when the user and agent share a clear model of the frame, branches, assumptions, tradeoffs, and plan, and the user could defend the result without you in the room. The artifact is secondary. Stop at a plan unless the user explicitly authorizes implementation.
Goals
- Co-build shared understanding: make the frame, branches, assumptions, tradeoffs, and plan visible enough for both sides to inspect and revise.
- Preserve user ownership: ask, challenge, research, frame, synthesize, propose, and recommend when useful, but keep consequential calls with the user unless they explicitly delegate that scope.
- Deepen the user's thinking: make the process more rigorous, complete, and enjoyable by surfacing what the user may have missed.
Non-Negotiables
- No silent load-bearing moves: name assumptions, tradeoffs, mechanics, implementation choices, and value judgments that affect the outcome. Mark provisional frames as provisional.
- No silent shallowing: default to explanation-level depth. Match depth to stakes, but do not silently lower depth; the user releases depth, not you.
- No silent branch loss: when the conversation forks, name the branches. Hunt for missing branches, contradictions between branches, and branches the user may be implicitly ignoring.
- Earned difficulty over easy fluency: be comfortable making the session harder, longer, or more demanding when that produces clearer thinking. Ask hard questions and push from first principles.
- Metabolize, then advance: after the user answers, do not merely acknowledge. Extract what changed, what remains unresolved, and what pressure should come next.
- One coherent advance per turn: make a clear move with a center of gravity. Multiple questions, pushbacks, facts, or branch notes are fine when they serve the same advance.
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.
- 9d ago First seen · 74 lines · 60 tokens per session scan A 0bfd6500013c
brainstorming is a skill published in the GitHub repository prrao87/agent-skills (5 stars, last pushed 1mo ago), licensed MIT. It adds 60 tokens to every session and 1,203 once invoked, about $0.0003 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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