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Brainstorming

obra/superpowers

  • 299k installs
  • 262k repo stars
  • Updated July 24, 2026
  • obra/superpowers

Brainstorming is an agent skill that guides design exploration and refinement through clarifying questions, approach proposals, and spec documentation before implementation begins.

About

Explore and refine ideas into fully formed designs through collaborative dialogue. Ask clarifying questions, propose alternatives, present design sections for approval, and write spec documents before beginning implementation.

  • Design-first workflow: explore intent, clarify scope, propose approaches before implementation
  • One-at-a-time clarifying questions to refine idea and requirements
  • Validate design with user approval before touching code or infrastructure

Brainstorming by the numbers

  • 299,159 all-time installs (skills.sh)
  • +13,158 installs in the week ending Jul 28, 2026 (Skillselion tracking)
  • Ranked #4 of 826 Skill Development skills by installs in the Skillselion catalog
  • Security screen: HIGH risk (skills.sh audit)
  • Data as of Jul 28, 2026 (Skillselion catalog sync)
At a glance

brainstorming capabilities & compatibility

Capabilities
requirements gathering · design exploration · spec writing · approval workflow
From the docs

What brainstorming says it does

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior.
SKILL.md
Do NOT invoke any implementation skill, write any code, scaffold any project, or take any implementation action until you have presented a design and the user has approved it.
SKILL.md
npx skills add https://github.com/obra/superpowers --skill brainstorming

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Listed on Skillselion
Installs299k
repo stars★ 262k
Security audit3 / 3 scanners passed
Last updatedJuly 24, 2026
Repositoryobra/superpowers ↗

How do you define feature scope before writing code?

Establish design consensus before starting any feature, component, or infrastructure work to avoid wasted effort on unexamined assumptions.

Who is it for?

AI agents and developers starting any feature work, component design, or infrastructure change.

Skip if: Developers who already have an approved spec and only need implementation, debugging, or a quick one-line fix.

When should I use this skill?

Before building features, adding functionality, creating components, or making behavior changes.

What you get

Approved design document, clarified requirements, and explicit user sign-off before implementation.

  • approved design spec
  • clarified requirements

Files

SKILL.mdMarkdownGitHub ↗

Brainstorming Ideas Into Designs

Help turn ideas into fully formed designs and specs through natural collaborative dialogue.

Start by understanding the current project context, then ask questions one at a time to refine the idea. Once you understand what you're building, present the design and get user approval.

<HARD-GATE> Do NOT invoke any implementation skill, write any code, scaffold any project, or take any implementation action until you have presented a design and the user has approved it. This applies to EVERY project regardless of perceived simplicity. </HARD-GATE>

Anti-Pattern: "This Is Too Simple To Need A Design"

Every project goes through this process. A todo list, a single-function utility, a config change — all of them. "Simple" projects are where unexamined assumptions cause the most wasted work. The design can be short (a few sentences for truly simple projects), but you MUST present it and get approval.

Checklist

You MUST create a task for each of these items and complete them in order:

1. Explore project context — check files, docs, recent commits 2. Offer the visual companion just-in-time — NOT upfront. The first time a question would genuinely be clearer shown than described, offer it then (its own message); on approval its browser tab opens for you. If no visual question ever arises, never offer it. See the Visual Companion section below. 3. Ask clarifying questions — one at a time, understand purpose/constraints/success criteria 4. Propose 2-3 approaches — with trade-offs and your recommendation 5. Present design — in sections scaled to their complexity, get user approval after each section 6. Write design doc — save to docs/superpowers/specs/YYYY-MM-DD-<topic>-design.md and commit 7. Spec self-review — quick inline check for placeholders, contradictions, ambiguity, scope (see below) 8. User reviews written spec — ask user to review the spec file before proceeding 9. Transition to implementation — invoke writing-plans skill to create implementation plan

Process Flow

digraph brainstorming {
    "Explore project context" [shape=box];
    "Ask clarifying questions" [shape=box];
    "Propose 2-3 approaches" [shape=box];
    "Present design sections" [shape=box];
    "User approves design?" [shape=diamond];
    "Write design doc" [shape=box];
    "Spec self-review\n(fix inline)" [shape=box];
    "User reviews spec?" [shape=diamond];
    "Invoke writing-plans skill" [shape=doublecircle];

    "Explore project context" -> "Ask clarifying questions";
    "Ask clarifying questions" -> "Propose 2-3 approaches";
    "Propose 2-3 approaches" -> "Present design sections";
    "Present design sections" -> "User approves design?";
    "User approves design?" -> "Present design sections" [label="no, revise"];
    "User approves design?" -> "Write design doc" [label="yes"];
    "Write design doc" -> "Spec self-review\n(fix inline)";
    "Spec self-review\n(fix inline)" -> "User reviews spec?";
    "User reviews spec?" -> "Write design doc" [label="changes requested"];
    "User reviews spec?" -> "Invoke writing-plans skill" [label="approved"];
}

The terminal state is invoking writing-plans. Do NOT invoke frontend-design, mcp-builder, or any other implementation skill. The ONLY skill you invoke after brainstorming is writing-plans.

The Process

Understanding the idea:

  • Check out the current project state first (files, docs, recent commits)
  • Before asking detailed questions, assess scope: if the request describes multiple independent subsystems (e.g., "build a platform with chat, file storage, billing, and analytics"), flag this immediately. Don't spend questions refining details of a project that needs to be decomposed first.
  • If the project is too large for a single spec, help the user decompose into sub-projects: what are the independent pieces, how do they relate, what order should they be built? Then brainstorm the first sub-project through the normal design flow. Each sub-project gets its own spec → plan → implementation cycle.
  • For appropriately-scoped projects, ask questions one at a time to refine the idea
  • Prefer multiple choice questions when possible, but open-ended is fine too
  • Only one question per message - if a topic needs more exploration, break it into multiple questions
  • Focus on understanding: purpose, constraints, success criteria

Exploring approaches:

  • Propose 2-3 different approaches with trade-offs
  • Present options conversationally with your recommendation and reasoning
  • Lead with your recommended option and explain why

Presenting the design:

  • Once you believe you understand what you're building, present the design
  • Scale each section to its complexity: a few sentences if straightforward, up to 200-300 words if nuanced
  • Ask after each section whether it looks right so far
  • Cover: architecture, components, data flow, error handling, testing
  • Be ready to go back and clarify if something doesn't make sense

Design for isolation and clarity:

  • Break the system into smaller units that each have one clear purpose, communicate through well-defined interfaces, and can be understood and tested independently
  • For each unit, you should be able to answer: what does it do, how do you use it, and what does it depend on?
  • Can someone understand what a unit does without reading its internals? Can you change the internals without breaking consumers? If not, the boundaries need work.
  • Smaller, well-bounded units are also easier for you to work with - you reason better about code you can hold in context at once, and your edits are more reliable when files are focused. When a file grows large, that's often a signal that it's doing too much.

Working in existing codebases:

  • Explore the current structure before proposing changes. Follow existing patterns.
  • Where existing code has problems that affect the work (e.g., a file that's grown too large, unclear boundaries, tangled responsibilities), include targeted improvements as part of the design - the way a good developer improves code they're working in.
  • Don't propose unrelated refactoring. Stay focused on what serves the current goal.

After the Design

Documentation:

  • Write the validated design (spec) to docs/superpowers/specs/YYYY-MM-DD-<topic>-design.md
  • (User preferences for spec location override this default)
  • Use elements-of-style:writing-clearly-and-concisely skill if available
  • Commit the design document to git

Spec Self-Review: After writing the spec document, look at it with fresh eyes:

1. Placeholder scan: Any "TBD", "TODO", incomplete sections, or vague requirements? Fix them. 2. Internal consistency: Do any sections contradict each other? Does the architecture match the feature descriptions? 3. Scope check: Is this focused enough for a single implementation plan, or does it need decomposition? 4. Ambiguity check: Could any requirement be interpreted two different ways? If so, pick one and make it explicit.

Fix any issues inline. No need to re-review — just fix and move on.

User Review Gate: After the spec review loop passes, ask the user to review the written spec before proceeding:

"Spec written and committed to <path>. Please review it and let me know if you want to make any changes before we start writing out the implementation plan."

Wait for the user's response. If they request changes, make them and re-run the spec review loop. Only proceed once the user approves.

Implementation:

  • Invoke the writing-plans skill to create a detailed implementation plan
  • Do NOT invoke any other skill. writing-plans is the next step.

Key Principles

  • One question at a time - Don't overwhelm with multiple questions
  • Multiple choice preferred - Easier to answer than open-ended when possible
  • YAGNI ruthlessly - Remove unnecessary features from all designs
  • Explore alternatives - Always propose 2-3 approaches before settling
  • Incremental validation - Present design, get approval before moving on
  • Be flexible - Go back and clarify when something doesn't make sense

Visual Companion

A browser-based companion for showing mockups, diagrams, and visual options during brainstorming. Available as a tool — not a mode. Accepting the companion means it's available for questions that benefit from visual treatment; it does NOT mean every question goes through the browser.

Offering the companion (just-in-time): Do NOT offer it upfront. Wait until a question would genuinely be clearer shown than told — a real mockup / layout / diagram question, not merely a UI topic. The first time that happens, offer it then, as its own message:

"This next part might be easier if I show you — I can put together mockups, diagrams, and comparisons in a browser tab as we go. It's still new and can be token-intensive. Want me to? I'll open it for you."

This offer MUST be its own message. Only the offer — no clarifying question, summary, or other content. Wait for the user's response. If they accept, start the server with --open so their browser opens to the first screen automatically. If they decline, continue text-only and don't offer again unless they raise it.

Per-question decision: Even after the user accepts, decide FOR EACH QUESTION whether to use the browser or the terminal. The test: would the user understand this better by seeing it than reading it?

  • Use the browser for content that IS visual — mockups, wireframes, layout comparisons, architecture diagrams, side-by-side visual designs
  • Use the terminal for content that is text — requirements questions, conceptual choices, tradeoff lists, A/B/C/D text options, scope decisions

A question about a UI topic is not automatically a visual question. "What does personality mean in this context?" is a conceptual question — use the terminal. "Which wizard layout works better?" is a visual question — use the browser.

If they agree to the companion, read the detailed guide before proceeding: skills/brainstorming/visual-companion.md

Guides

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Forks & variants (8)

Brainstorming has 8 known copies in the catalog totaling 783 installs. They canonicalize to this original listing.

How it compares

Pick brainstorming when requirements are fuzzy; pick implementation skills once a design is already approved.

FAQ

Does brainstorming write code?

brainstorming does not write code. The Superpowers skill enforces a hard gate that blocks implementation skills, scaffolding, and any code changes until the user explicitly approves the presented design.

When should developers invoke brainstorming?

brainstorming should run before creative work—new features, components, added functionality, or behavior changes. The skill explores user intent and requirements through dialogue, then seeks approval before build starts.

Is Brainstorming safe to install?

skills.sh reports 3 of 3 security scanners passed. Review the Security Audits panel on this page before installing in production.

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