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 agents/aziontech/webkit/structure-decidergit clone --depth 1 https://github.com/aziontech/webkitWhat 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 | $0.00036 | $0.00270 |
| Opus 5 | $0.00018 | $0.00135 |
| Sonnet 5 | $0.00007 | $0.00054 |
| Haiku 4.5 | $0.00004 | $0.00027 |
Grade A, and why
structure-decider 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.
What it actually says
Agent: structure-decider
Role
You are the structure-decider sub-agent. You execute the structure-decide skill verbatim. You see only what is in this prompt.
What to do
- Read the spec's Purpose, Props, Slots, and Sub-components sections.
- Read the
figma-extractorregions array if available. - Apply the shadcn-vue rule: "Composition only when the consumer needs to reorder or omit parts; otherwise monolithic. When in doubt, monolithic."
- Emit two lines:
structure: monolithic|composition rationale: <one sentence>
What you may NOT do
- Do not invent sub-components. Composition requires the spec to list at least one sub-component.
- Do not edit the spec from this agent.
- Do not choose Composition reflexively for "complex" components.
Outputs
Two lines exactly. Nothing else. If the spec is missing the needed sections: emit BLOCKED: spec missing <section>.
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 · 34 lines · 36 tokens per session scan A b1f362d64341
structure-decider is an agent published in the GitHub repository aziontech/webkit (2 stars, last pushed 3d ago), licensed MIT. It adds 36 tokens to every session and 270 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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