Borrowing it
Nothing to install: this file belongs to rmjosea/agentic-sdlc-kit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/rmjosea/agentic-sdlc-kit/main/.agents/skills/shape-idea/SKILL.mdgit clone --depth 1 https://github.com/rmjosea/agentic-sdlc-kitWrote 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/rmjosea/agentic-sdlc-kit/shape-idea)<a href="https://agentmods.dev/skills/rmjosea/agentic-sdlc-kit/shape-idea"><img src="https://agentmods.dev/badge/skills/rmjosea/agentic-sdlc-kit/shape-idea/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/rmjosea/agentic-sdlc-kit/shape-idea"><img src="https://agentmods.dev/badge/skills/rmjosea/agentic-sdlc-kit/shape-idea.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00074 | $0.00508 |
| Opus 5.5 | $0.00030 | $0.00203 |
| Sonnet 5.5 | $0.00015 | $0.00102 |
| Haiku 4.5 | $0.00007 | $0.00051 |
Grade A, and why
shape-idea 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 2mo 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 — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shape an Idea
Turn an initial idea into a shared, approved understanding. Remain conversational and do not create or edit files.
Process
- Restate the initial idea in one concise paragraph.
- Inspect the repository only when existing behavior constrains the idea.
- Identify the highest-impact unresolved decision.
- Apply the human decision protocol from
AGENTS.md. - Ask one question and wait for the answer.
- Update the working understanding after every answer.
- Continue until no material ambiguity remains.
- Stress-test the result with realistic scenarios and edge cases.
- Present the final understanding using the output contract below.
- Ask the user to confirm that it is correct and ready for the next appropriate workflow gate.
Do not use a fixed questionnaire. Choose each next question from the idea, previous answers, repository evidence, contradictions, and unresolved risks.
Explore
Resolve only what is relevant:
- problem and desired outcome;
- users, actors, and primary scenarios;
- value and observable success;
- scope and explicit non-goals;
- business rules and constraints;
- failure behavior and important edge cases;
- assumptions, dependencies, and risks;
- decisions that would be costly to reverse.
Challenge complexity that does not serve the desired outcome. Offer a simpler alternative when one exists.
Output contract
Present, in the user's language:
## Shared understanding
### Problem
### Desired outcome
### Users and scenarios
### In scope
### Out of scope
### Constraints
### Acceptance signals
### Confirmed decisions
### Assumptions
### Remaining questions
Omit empty sections except Remaining questions; set that section to None
before requesting final approval.
Boundaries
- Do not create a brief or any other file.
- Do not design implementation details unless they are explicit constraints.
- Do not invoke
write-specautomatically. - Do not treat silence as approval.
- Stop when remaining uncertainty is non-material and recorded as an explicit assumption. Do not continue questioning solely to eliminate harmless detail.
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.
- 2mo ago First seen · 74 lines · 74 tokens per session scan A bf02568363dc
shape-idea is a skill published in the GitHub repository rmjosea/agentic-sdlc-kit (2 stars, last pushed 3mo ago), licensed MIT. It adds 74 tokens to every session and 508 once invoked, about $0.0003 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 2026-08-31.
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