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 alfredxw/denova --skill chapter-illustrationgit clone --depth 1 https://github.com/alfredxw/denovaWrote 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/alfredxw/denova/chapter-illustration)<a href="https://agentmods.dev/skills/alfredxw/denova/chapter-illustration"><img src="https://agentmods.dev/badge/skills/alfredxw/denova/chapter-illustration/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/alfredxw/denova/chapter-illustration"><img src="https://agentmods.dev/badge/skills/alfredxw/denova/chapter-illustration.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 | $0.00025 | $0.00434 |
| Opus 5.5 | $0.00010 | $0.00174 |
| Sonnet 5.5 | $0.00005 | $0.00087 |
| Haiku 4.5 | $0.00003 | $0.00043 |
Grade A, and why
chapter-illustration 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 20d 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.
What it actually says
Chapter Illustration
Use this Skill when the author requests an illustration for a chapter or the editor sends /chapter-illustration.
Workflow
- Determine the target chapter path:
- Use the chapter path explicitly provided by the user.
- Otherwise, use the chapter currently focused in the IDE context.
- If no chapter is focused, identify the most recent chapter from the workspace summary or
chapters/directory.
- Read the target chapter before composing the image prompt. If the selected path is not a chapter, ask the user to select one.
- Choose a visually compelling, spoiler-free moment from the chapter. Do not reveal future reversals, hidden identities, or undisclosed canon.
- Write a clear Chinese image prompt containing the subject, scene, composition, lighting, style, and mood, with explicit negative constraints against text, watermarks, and logos.
- Call the general
generate_imagetool with:purpose:chapter_illustration.target_path: the target chapter's relative path.prompt: the complete Chinese image prompt.alt_text: a Chinese description suitable for a Markdown image.size: optionally choose a supported 2K, 3K, or 4K size based on the composition; otherwise omit it and use the default policy.output_format:pngorjpeg; omit it when uncertain.
- After the tool returns, briefly report what was generated and tell the user to use the illustration card's insertion action. Do not repeat the Markdown image reference in a fenced code block. Do not edit the chapter prose automatically.
Constraints
- Generate exactly one chapter illustration per request.
- Do not generate batches of candidates.
- Do not use file-write tools to insert Markdown image syntax into the chapter.
- If the user asks to insert the result, prefer the UI insertion action.
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.
- 20d ago Changed · -1 tokens per session 87be412b1d60
- 1mo ago First seen · 36 lines · 26 tokens per session scan A 6c52b7c2b633
chapter-illustration is a skill published in the GitHub repository alfredxw/denova (974 stars, last pushed today), licensed Apache-2.0. It adds 25 tokens to every session and 434 once invoked, about $0.0001 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 2026-08-30.
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