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 danweinerdev/claude-sdd-planner --skill sdd-brainstormgit clone --depth 1 https://github.com/danweinerdev/claude-sdd-plannerWrote 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/danweinerdev/claude-sdd-planner/sdd-brainstorm)<a href="https://agentmods.dev/skills/danweinerdev/claude-sdd-planner/sdd-brainstorm"><img src="https://agentmods.dev/badge/skills/danweinerdev/claude-sdd-planner/sdd-brainstorm.svg" alt="Measured on agentmods" 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 | $0.00040 | $0.01117 |
| Opus 5 | $0.00020 | $0.00558 |
| Sonnet 5 | $0.00008 | $0.00223 |
| Haiku 4.5 | $0.00004 | $0.00112 |
Grade A, and why
sdd-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 7d 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 — 67 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Explore Possibilities
Resources
Before opening shared/..., follow symlinks in this loaded file's path, then derive <plugin-root> from <plugin-root>/skills/<name>/SKILL.md; fallback search roots are repository/user .agents/ (including $HOME/.agents/plugins/*/), Codex ${CODEX_HOME:-$HOME/.codex}/plugins/cache/*/*/*/, and runtime-configured skill roots. Accept only a root containing this skill, shared/agent-runtime.md, and the matching plugin manifest; never use the working directory. Then read <plugin-root>/shared/agent-runtime.md and <plugin-root>/shared/path-resolution.md, and resolve every shared/<path> reference in this skill against <plugin-root>.
Resource boundary: Read the plugin, all SKILL.md files, and shared/ resources in place. Never copy or symlink them into the working directory, target repository, or planning root. Only generated SDD outputs may be materialized from bundled resources.
When to Use
When you need to generate and evaluate multiple approaches to a problem before committing to one. Good for architecture decisions, feature approaches, or tool selection.
Process
-
Define Problem
- If the user hasn't already specified it, ask what problem or opportunity to explore
- Clarify constraints and evaluation criteria
-
Gather Context
- Dispatch a collaboration subagent rendering
shared/agent-prompts/researcher.md(or perform that prompt yourself) with the problem statement and constraints; it scans all artifact directories and the codebase per its own definition. - The agent returns a structured summary of relevant context
- Dispatch a collaboration subagent rendering
-
Generate Ideas
- Build on the context gathered by the researcher
- Idea 0 is always "do nothing / status quo" — who absorbs this problem today and at what concrete cost. Extending or configuring something the researcher found already in the repo belongs here too. It is a real candidate evaluated on the same criteria, not a formality: every other idea has to beat it. Drop it only when inaction is genuinely impossible (a hard external deadline, a compliance obligation, an active outage), and name which in the Recommendation
- Brainstorm multiple approaches beyond the baseline (aim for 3-5)
- For each idea, document: description, pros, cons, effort level
- Consider both conventional and creative approaches
3-5is a range, not a quota. Do not invent filler options to reach it — three real approaches beat three real ones plus two strawmen, and a strawman that makes the recommendation look inevitable is worse than no option at all
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.
- 7d ago First seen · 67 lines · 40 tokens per session scan A 87822ba3cdc2
sdd-brainstorm is a skill published in the GitHub repository danweinerdev/claude-sdd-planner (2 stars, last pushed today), licensed MIT. It adds 40 tokens to every session and 1,117 once invoked, about $0.0002 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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