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 Linearl/reasonix_skill_repo --skill book-to-skillgit clone --depth 1 https://github.com/Linearl/reasonix_skill_repoWrote 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/linearl/reasonix_skill_repo/book-to-skill)<a href="https://agentmods.dev/skills/linearl/reasonix_skill_repo/book-to-skill"><img src="https://agentmods.dev/badge/skills/linearl/reasonix_skill_repo/book-to-skill/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/linearl/reasonix_skill_repo/book-to-skill"><img src="https://agentmods.dev/badge/skills/linearl/reasonix_skill_repo/book-to-skill.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 | $0.00095 | $0.07617 |
| Opus 5 | $0.00048 | $0.03809 |
| Sonnet 5 | $0.00019 | $0.01523 |
| Haiku 4.5 | $0.00010 | $0.00762 |
Grade A, and why
book-to-skill 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 10d 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.
The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
What ships with it
60 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.
- .github/dependabot.yml 693 B
- .github/FUNDING.yml 23 B
- .github/ISSUE_TEMPLATE/bug_report.md 508 B
- .github/ISSUE_TEMPLATE/feature_request.md 469 B
- .github/PULL_REQUEST_TEMPLATE.md 3.2 KB
- .github/workflows/ci.yml 8.6 KB
- .github/workflows/codeql.yml 666 B
- .github/workflows/deploy-docs.yml 3.4 KB
- .gitignore 553 B
- BACKERS.md 693 B
- book_to_skill/__init__.py 217 B runs code
- book_to_skill/__main__.py 74 B runs code
- book_to_skill/cli.py 536 B runs code
- book_to_skill/config.py 1.2 KB runs code
- book_to_skill/dependencies.py 9.8 KB runs code
- book_to_skill/exceptions.py 117 B runs code
- book_to_skill/parsers/__init__.py 18 B runs code
- book_to_skill/parsers/calibre.py 876 B runs code
- book_to_skill/parsers/docx.py 4.7 KB runs code
- book_to_skill/parsers/epub.py 4.9 KB runs code
- book_to_skill/parsers/html.py 4.0 KB runs code
- book_to_skill/parsers/pdf.py 5.0 KB runs code
- book_to_skill/parsers/rtf.py 5.7 KB runs code
- book_to_skill/parsers/text.py 1.2 KB runs code
- book_to_skill/sanitize.py 3.6 KB runs code
- book_to_skill/utils.py 33 KB runs code
- CHANGELOG.md 14 KB
- cliff.toml 2.0 KB
- CONTRIBUTING.md 3.3 KB
- docs/404.md 550 B
- docs/ARCHITECTURE.md 6.9 KB
- docs/assets/banner.webp 56 KB
- docs/assets/booklin-casting.png 200 KB
- docs/assets/booklin-celebrating.png 188 KB
- docs/assets/booklin-confused.png 164 KB
- docs/assets/booklin.png 186 KB
- docs/assets/logo.png 192 KB
- docs/assets/og-card.jpg 121 KB
- docs/CNAME 21 B
- docs/faq.md 4.4 KB
- docs/how-it-works.md 3.5 KB
- docs/index.md 3.5 KB
- docs/install.md 2.4 KB
- docs/PERFORMANCE.md 3.4 KB
- docs/robots.txt 74 B
- docs/usage.md 1.5 KB
- LICENSE.md 1.0 KB
- mkdocs.yml 2.7 KB
- overrides/main.html 2.7 KB
- pyproject.toml 930 B
- README.md 13 KB
- scripts/banner.txt 2.8 KB
- scripts/extract.py 871 B runs code
- SECURITY.md 1.3 KB
- SOURCE.md 684 B
- tests/test_book_to_skill.py 75 KB runs code
- tests/test_discovery_tax.py 4.0 KB runs code
- tests/test_html_block_boundaries.py 6.7 KB runs code
- tests/test_metadata_encoding.py 3.7 KB runs code
- tests/test_repo_hygiene.py 2.1 KB runs code
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.
- 10d ago First seen · 648 lines · 95 tokens per session scan A 926a08ad0d51
book-to-skill is a skill published in the GitHub repository Linearl/reasonix_skill_repo (2 stars, last pushed 13d ago), with no licence file. It adds 95 tokens to every session and 7,617 once invoked, about $0.0005 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.
Other skills, from other repositories
lecture-to-notes
A workflow that turns lecture or conference recordings into organised notes using local transcription and slide extraction. It accepts video and audio files, including MOV, MP4, M4A, MP3, and WAV.
figure-remap
Extract single figures from PDF textbooks on-demand with built-in QC verification. Primary use: when writing/supplementing a note that needs an embedded figure (anatomy, classification, algorithm, imaging). Each call checks an existing fast-path crop, re-extracts from PDF if missing/wrong, retries with local-vision…
textbook-to-md
Convert PDF/EPUB textbooks to searchable markdown files for an AI agent's own reference. Use this skill whenever: (1) the user asks to convert a textbook/PDF chapter to markdown, (2) you need to search textbook content and no markdown version exists yet, (3) batch-converting a set of reference books into a knowledge…
takeout-pull
Stop a Google Takeout export from expiring undownloaded: detect the ready-to-download mails with a deterministic zero-token scan, report the live links with days remaining, then drive the download and vault import. Triggers: "/takeout-pull", "is my takeout ready", "pull my takeout".
ariadne:validator
Validate the structure of an agent-maintained Markdown knowledge vault with deterministic CLI checks for YAML/frontmatter, broken wikilinks, Markdown orphans, scope wiring, and optional Obsidian-compatible view files.
whatsapp-sync
Refresh WhatsApp text into an Obsidian vault (data layer, dashboard, group labels, contact notes). Text only, never downloads media, and pulls the recent window the live companion bridge exposes rather than a full multi-year archive. Semi-automatic by design: it drives the live bridge and needs the phone nearby.…