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 georgekhananaev/claude-skills-vault --skill brainstormgit clone --depth 1 https://github.com/georgekhananaev/claude-skills-vaultWrote 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/georgekhananaev/claude-skills-vault/brainstorm)<a href="https://agentmods.dev/skills/georgekhananaev/claude-skills-vault/brainstorm"><img src="https://agentmods.dev/badge/skills/georgekhananaev/claude-skills-vault/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.
<a href="https://agentmods.dev/skills/georgekhananaev/claude-skills-vault/brainstorm"><img src="https://agentmods.dev/badge/skills/georgekhananaev/claude-skills-vault/brainstorm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00054 | $0.01485 |
| Opus 5 | $0.00027 | $0.00743 |
| Sonnet 5 | $0.00011 | $0.00297 |
| Haiku 4.5 | $0.00005 | $0.00148 |
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 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 — 219 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Brainstorm
Transform ideas into fully-formed designs and specs through natural collaborative dialogue.
When to Use
- User has an idea that needs refinement ("I want to add...")
- Feature requires design exploration before implementation
- Multiple valid approaches exist and trade-offs need evaluation
- Requirements are unclear or partially defined
- User explicitly asks to brainstorm, design, or spec out a feature
The Process
Phase 1: Context Gathering
Before asking questions, understand the current state:
1. Check project structure (Glob key directories)
2. Review recent commits (git log --oneline -10)
3. Read relevant existing code/docs
4. Identify patterns and conventions already in use
Phase 2: Idea Refinement
Core Principle: One question at a time.
Ask questions to understand the idea. Prefer multiple-choice when possible:
Use AskUserQuestion with:
- 2-4 options per question
- Clear, mutually exclusive choices
- Your recommended option first (with reasoning)
Question Categories:
| Category | Example Questions |
|---|---|
| Purpose | What problem does this solve? Who benefits? |
| Constraints | Must integrate with X? Budget/time limits? |
| Success | How do we know it worked? Key metrics? |
| Scope | What's explicitly NOT included? |
| Prior Art | Seen similar elsewhere? What worked/didn't? |
Exit Criteria: Stop asking when purpose, constraints, and success criteria are clear.
Phase 3: Approach Exploration
Present 2-3 approaches with trade-offs:
## Approach A: [Name] (Recommended)
- **Pros**: ...
- **Cons**: ...
- **Best when**: ...
## Approach B: [Name]
- **Pros**: ...
- **Cons**: ...
- **Best when**: ...
Lead with recommendation and explain why. Ask user to confirm or discuss.
Phase 4: Incremental Design Presentation
Once approach is selected, present the design in sections:
CRITICAL: Each section must be 200-300 words max.
After each section, ask:
"Does this section look right so far? Any adjustments needed?"
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 · 219 lines · 54 tokens per session scan A 9e63aecad76a
brainstorm is a skill published in the GitHub repository georgekhananaev/claude-skills-vault (28 stars, last pushed 1mo ago), licensed MIT. It adds 54 tokens to every session and 1,485 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 2026-08-30.
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