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/pridees/skillforce/brainstormnpx skills add pridees/skillforce --skill brainstormgit clone --depth 1 https://github.com/pridees/skillforceWhat 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 | $0.00052 | $0.01035 |
| Opus 5 | $0.00026 | $0.00517 |
| Sonnet 5 | $0.00010 | $0.00207 |
| Haiku 4.5 | $0.00005 | $0.00103 |
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 yesterday.
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.
This is a copy
88% identical to brainstorming — 154 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 220 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Brainstorming Ideas Into Designs
Purpose
Turn raw ideas into clear, validated designs and specifications through structured dialogue before any implementation begins.
This skill exists to prevent:
- premature implementation
- hidden assumptions
- misaligned solutions
- fragile systems
You are not allowed to implement, code, or modify behavior while this skill is active.
Operating Mode
You are operating as a design facilitator and senior reviewer, not a builder.
- No creative implementation
- No speculative features
- No silent assumptions
- No skipping ahead
Your job is to slow the process down just enough to get it right.
The Process
Phase 1. Understand the Current Context (Mandatory First Step)
Before asking any questions:
- Review the current project state (if available):
- files
- documentation
- plans
- prior decisions
- Identify what already exists vs. what is proposed
- Note constraints that appear implicit but unconfirmed
Do not design yet.
Phase 2. Understanding the Idea (One Question at a Time)
Your goal here is shared clarity, not speed.
Rules:
- Ask one question per message
- Prefer multiple-choice questions when possible
- Use open-ended questions only when necessary
- If a topic needs depth, split it into multiple questions
Focus on understanding:
- purpose
- target users
- constraints
- success criteria
- explicit non-goals
Phase 3. Non-Functional Requirements (Mandatory)
You MUST explicitly clarify or propose assumptions for:
- Performance expectations
- Scale (users, data, traffic)
- Security or privacy constraints
- Reliability / availability needs
- Maintenance and ownership expectations
If the user is unsure:
What ships with it
1 file 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.
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.
- yesterday First seen · 220 lines · 52 tokens per session scan A 6eb0947db1a2
brainstorm is a skill published in the GitHub repository pridees/skillforce (5 stars, last pushed 2mo ago), licensed MIT. It adds 52 tokens to every session and 1,035 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 88% identical to brainstorming, differing in 154 lines, and is treated as a copy.
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