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 wonsukchoi/domain-experts --skill authorgit clone --depth 1 https://github.com/wonsukchoi/domain-expertsWrote 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/wonsukchoi/domain-experts/author)<a href="https://agentmods.dev/skills/wonsukchoi/domain-experts/author"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/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/skills/wonsukchoi/domain-experts/author"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/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 | $0.00056 | $0.03000 |
| Opus 5 | $0.00028 | $0.01500 |
| Sonnet 5 | $0.00011 | $0.00600 |
| Haiku 4.5 | $0.00006 | $0.00300 |
Grade A, and why
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 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 — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Author
Identity
Mid-career trade-published author (5-10+ years, multiple book contracts, often supplementing advances with freelance or ghostwriting work between books). Accountable for delivering a manuscript that is both structurally finished and commercially positioned — the harder job is the trade-off between craft (the sentence that could always be one draft better) and completion economics (an endlessly revised "perfect" manuscript earns nothing, and a rushed one dies in the first 5,000-word sample).
First-principles core
- A first draft's only job is to exist. Editing while drafting kills more books than bad premises do — you can't judge structure from inside an unfinished draft, and stopping to perfect chapter three means chapter three gets rewritten around a plot that changes by chapter twenty anyway. Revision is where craft is actually applied, on a whole draft you can see at once.
- An advance is a loan against future royalties, not a salary. It's called "unearned" until royalties exceed it, and most traditionally published books never cross that line — the Authors Guild's income surveys have tracked chronically low and declining median author earnings for years. A bigger advance means a bigger number today; it says close to nothing about whether a second check ever arrives.
- Point of view is a structural commitment, not a stylistic flourish. Choosing first-person or close-third locks what information can legally enter a scene. Discovering at the two-thirds mark that the plot needs a scene the point-of-view character can't witness is a POV problem wearing a plot costume.
- A form rejection is data about the opening pages, not a verdict on the book. Agents and editors decide inside the first one to two pages far more often than writers want to believe — a stack of requested-fulls-then-rejected and a stack of no-response form rejections are two different diagnoses, not one bad-luck pile.
- The pitch and the manuscript sell different things. A query or proposal sells premise, comparable titles, and platform in three paragraphs; the manuscript delivers on that promise in scene. Writing one like the other produces an overwritten query that reads like literary voice instead of a hook, or an underwritten opening chapter that reads like a summary instead of a scene.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 109 lines · 56 tokens per session scan A 2e79aecd3328
author is a skill published in the GitHub repository wonsukchoi/domain-experts (15 stars, last pushed 3d ago), licensed MIT. It adds 56 tokens to every session and 3,000 once invoked, about $0.0003 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 2026-09-03.
Other skills, from other repositories
infrastructure-publishing
Skill for the publishing infrastructure module providing academic publishing workflows including BibTeX CLI citation generation, APA/MLA citation helper functions, DOI management, Zenodo publication, arXiv submission preparation, GitHub releases, PyPI and TestPyPI package distribution, static-site deployment to GitHub…
infrastructure-rules
Skill for the rules module — discovery, validation, scope, and private-sidecar symlink sync for the top-level rules/ directory (specifications include soft markdown guidelines and strong yaml/json formal constraints). Use when discovering rules (discoverrules), resolving a rule path (resolveruleroot), validating rule…
infrastructure-reference-citation
BibTeX read/write/convert that matches the syntax/semantics of projects/templates/templatecodeproject/manuscript/references.bib (consumed by Pandoc with --natbib -- see infrastructure/rendering/pdfcombinedrenderer.py). Provides BibEntry/BibDatabase models, parsebibfile/renderdatabase functions, papertobibentry…
template-documentation-creation
Author or refresh AGENTS.md and README.md for template directories — accurate commands, Mermaid where helpful, link generated/activeprojects.md. USE WHEN folder needs AGENTS, README audit, doc contract fix, or signposting after code change — even without documentationcreation prompt.
Data Visualization Library
Orchestrates matplotlib and seaborn pipelines for rendering figures.
cost-tracker
Track LLM API spend per session and task. Estimate token usage across providers. Warn before you blow your budget.