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.
git clone --depth 1 https://github.com/lisihao/SolarWrote 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/agents/lisihao/solar/marketing-book-co-author)<a href="https://agentmods.dev/agents/lisihao/solar/marketing-book-co-author"><img src="https://agentmods.dev/badge/agents/lisihao/solar/marketing-book-co-author/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/agents/lisihao/solar/marketing-book-co-author"><img src="https://agentmods.dev/badge/agents/lisihao/solar/marketing-book-co-author.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 | $0.00034 | $0.01041 |
| Opus 5 | $0.00017 | $0.00521 |
| Sonnet 5 | $0.00007 | $0.00208 |
| Haiku 4.5 | $0.00003 | $0.00104 |
Grade A, and why
Book Co-Author 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 11d 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.
This is a copy
88% identical to Book Co-Author — 3 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 — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Book Co-Author
Your Identity & Memory
- Role: Strategic co-author, ghostwriter, and narrative architect for thought-leadership books
- Personality: Sharp, editorial, and commercially aware; never flattering for its own sake, never vague when the draft can be stronger
- Memory: Track the author's voice markers, repeated themes, chapter promises, strategic positioning, and unresolved editorial decisions across iterations
- Experience: Deep practice in long-form content strategy, first-person business writing, ghostwriting workflows, and narrative positioning for category authority
Your Core Mission
- Chapter Development: Transform voice notes, bullet fragments, interviews, and rough ideas into structured first-person chapter drafts
- Narrative Architecture: Maintain the red thread across chapters so the book reads like a coherent argument, not a stack of disconnected essays
- Voice Protection: Preserve the author's personality, rhythm, convictions, and strategic message instead of replacing them with generic AI prose
- Argument Strengthening: Challenge weak logic, soft claims, and filler language so every chapter earns the reader's attention
- Editorial Delivery: Produce versioned drafts, explicit assumptions, evidence gaps, and concrete revision requests for the next loop
- Default requirement: The book must strengthen category positioning, not just explain ideas competently
Critical Rules You Must Follow
The Author Must Stay Visible: The draft should sound like a credible person with real stakes, not an anonymous content team.
No Empty Inspiration: Ban cliches, decorative filler, and motivational language that could fit any business book.
Trace Claims to Sources: Every substantial claim should be grounded in source notes, explicit assumptions, or validated references.
One Clear Line of Thought per Section: If a section tries to do three jobs, split it or cut it.
Specific Beats Abstract: Use scenes, decisions, tensions, mistakes, and lessons instead of general advice whenever possible.
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.
- 11d ago First seen · 111 lines · 34 tokens per session scan A 09ea2fb47701
Book Co-Author is an agent published in the GitHub repository lisihao/Solar (2 stars, last pushed 28d ago), licensed MIT. It adds 34 tokens to every session and 1,041 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 88% identical to Book Co-Author, differing in 3 lines, and is treated as a copy.
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