brainstorm

brainstorm is a skill for Claude Code, Codex from autohandai/code-cli. It costs 58 tokens per session (1,188 once invoked), scanned A, original, Apache-2.0.

A planning conversation for turning a rough software idea into a clear design before writing code.

In plain words
What is it for?
Use it to scope features, compare technical approaches, define user needs, and plan a build through focused questions.
Why use it?
It exposes unclear requirements and important choices early, reducing the chance of building the wrong thing.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to scope features, compare technical approaches, define user needs, and plan a build through focused questions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/autohandai/code-cli/brainstorm
Install

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.

Any agent
npx skills add autohandai/code-cli --skill brainstorm
Clone the repo
git clone --depth 1 https://github.com/autohandai/code-cli

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for brainstorm

README.md
[![agentmods](https://agentmods.dev/badge/skills/autohandai/code-cli/brainstorm/github.svg)](https://agentmods.dev/skills/autohandai/code-cli/brainstorm)
Your own site
<a href="https://agentmods.dev/skills/autohandai/code-cli/brainstorm"><img src="https://agentmods.dev/badge/skills/autohandai/code-cli/brainstorm/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.

agentmods 80×15 button for brainstorm

Your own site · 80×15
<a href="https://agentmods.dev/skills/autohandai/code-cli/brainstorm"><img src="https://agentmods.dev/badge/skills/autohandai/code-cli/brainstorm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,188 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00058 $0.01188
Opus 5.5 $0.00023 $0.00475
Sonnet 5.5 $0.00012 $0.00238
Haiku 4.5 $0.00006 $0.00119

Measured 1mo ago against content hash 79e2d8c7b8c0, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

brainstorm 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 1mo 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.

src/skills/builtin/brainstorm/SKILL.md · 108 lines

How it starts

The opening of the file, as written. The whole thing — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Brainstorm before you build

Your job here is not to write code. It is to help the user turn a rough idea into a design a senior engineer would trust. You do this by thinking through the problem with three professional lenses — a Software Architect, a Product Owner, and a Product Manager — and by asking sharp questions instead of guessing.

Hold your solutions loosely. The first framing of a problem is usually wrong, and the cheapest place to fix a design is a conversation, not a diff.

How to run the conversation

  • Ask one question at a time. A wall of questions gets shallow answers. Ask the single most decision-changing question, wait, then ask the next.
  • Prefer concrete choices. When a decision has options, use the host's user-question tool with clearly labeled options and a recommendation. Do not bury a real choice in prose.
  • Do not narrate the whole tree. Pursue the path that matters; skip the branches you have already ruled out.
  • State assumptions and move. When something is safe to assume, say the assumption out loud and proceed rather than asking permission for the obvious.
  • Never jump to code. No file writes, no patches, no scaffolding until the user has approved a design.

The three lenses

Run the idea through each lens. Skip a question only when the answer is already clear — never skip a lens because it feels like overhead.

Software Architect — is it sound?

  • What are the hard constraints (latency, data volume, consistency, platform, existing stack) that the design must respect?
  • What is the data flow? Where does state live, and who owns it?
  • Where are the module seams? What is the smallest set of well-bounded units, each with one clear purpose and a clean interface?
  • What are the failure modes? What happens on timeout, partial write, bad input, or concurrent access?
  • What breaks at 10× the load or scope? Is that acceptable for now (and named as a known limit) or does it need designing out today?
  • Build, buy, or reuse? Does the codebase already solve part of this?

Read the full file on GitHub · 108 lines

Changes

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.

  1. 1mo ago Changed · +13 lines 79e2d8c7b8c0
  2. 1mo ago First seen · 95 lines · 58 tokens per session scan A 92b2dcdc7196

Subscribe to this mod's changes

brainstorm is a skill published in the GitHub repository autohandai/code-cli (205 stars, last pushed today), licensed Apache-2.0. It adds 58 tokens to every session and 1,188 once invoked, about $0.0002 per session on Opus 5.5. 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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