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book_list.gather_info

book_list.gather_info is a skill for Claude Code from gpsaggese/helpers. It costs 4 tokens per session (391 once invoked), scanned A, original, Apache-2.0.

A book-research workflow that collects bibliographic details and evaluates books using several stated criteria. It saves the results as a Markdown table and a tab-separated file.

In plain words
What is it for?
Use it to collect titles, authors, publishers, years, ratings, and technical or academic assessments, then save matching Markdown and TSV outputs.
Why use it?
It turns a partial book list into a consistent reference table without requiring you to gather and format every field by hand.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; reads .claude/ paths.

not rated 158repo +1 today A scan 4 tokens original Apache-2.0

Good fit Use it to collect titles, authors, publishers, years, ratings, and technical or academic assessments, then save matching Markdown and TSV outputs.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gpsaggese/helpers/book_list.gather_info
View source ↗ gpsaggese/helpers
Install

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.

Any agent
npx skills add gpsaggese/helpers --skill book_list.gather_info
Clone the repo
git clone --depth 1 https://github.com/gpsaggese/helpers

Made for: Claude Code.

Wrote 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.

agentmods badge for book_list.gather_info

README.md
[![agentmods](https://agentmods.dev/badge/skills/gpsaggese/helpers/book_list.gather_info/github.svg)](https://agentmods.dev/skills/gpsaggese/helpers/book_list.gather_info)
Your own site
<a href="https://agentmods.dev/skills/gpsaggese/helpers/book_list.gather_info"><img src="https://agentmods.dev/badge/skills/gpsaggese/helpers/book_list.gather_info/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.

agentmods 80×15 button for book_list.gather_info

Your own site · 80×15
<a href="https://agentmods.dev/skills/gpsaggese/helpers/book_list.gather_info"><img src="https://agentmods.dev/badge/skills/gpsaggese/helpers/book_list.gather_info.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 4 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 391 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00004 $0.00391
Opus 5.5 $0.00002 $0.00156
Sonnet 5.5 $0.00001 $0.00078
Haiku 4.5 $0.00000 $0.00039

Measured yesterday against content hash 9a2b973b3441, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

book_list.gather_info 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.

.claude/skills/book_list.gather_info/SKILL.md · 45 lines

What it actually says

Goal

  • Given information about books (a partial table or a list), find the following information and save it to a file

Workflow

Gather Fields

  • Title
  • Authors
    • Use the format from .claude/skills/references.rules.md # Format for General Text
  • Publisher
  • Year
  • Technical: Yes if it's a technical book, otherwise no
  • Goodreads (1-10): Goodreads rating x 2
  • Reviews (1-10): Relative volume (10 = 1500+ reviews, 1 = <10 reviews)
  • Academic (1-10): Theoretical depth and scientific rigor
  • Practical (1-10): Industry applicability and hands-on utility
  • Clarity (1-10): Accessibility and pedagogical quality
  • Average: Simple mean of the previous values

Write Output

  • Do not print anything on screen. Only save files
  • Output files:
    • book_info.md: Markdown table
    • Say in the file how it was generated, with this line right after the title: 
      - Generated by `.claude/skills/book_list.gather_info/SKILL.md`
    • book_info.tsv: Tab-separated values
    • Do not overwrite an existing file. Use a name like book_info.<COMMENT>.{md,tsv}

Verification

  • Confirm book_info.md and book_info.tsv list the same books with the same values
  • Confirm no existing output file was overwritten
  • The file book_info.md says that it was generated by .claude/skills/book_list.gather_info/SKILL.md
Changes

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.

  1. yesterday First seen · 45 lines · 4 tokens per session scan A 9a2b973b3441

Subscribe to this mod's changes

book_list.gather_info is a skill published in the GitHub repository gpsaggese/helpers (158 stars, last pushed today), licensed Apache-2.0. It adds 4 tokens to every session and 391 once invoked, about $0.0000 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 2026-11-06.

DocumentsResearch
Related

book_list.gather_info compared with skills from other repositories

book_list.gather_info next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
book_list.gather_infogpsaggese/helpersSkill158todayApache-2.0A4Claude Code
orbit-notionnexu-io/open-designSkill106ktodayApache-2.0A117Claude Code, Codex
instrument-data-to-allotropeanthropics/knowledge-work-pluginsSkill35ktodayApache-2.0A123Claude Code
apify-youtube-transcript-scrapersickn33/agentic-awesome-skillsSkill49kyesterdayMITA48Claude Code
legal-holdanthropics/claude-for-legalSkill9.9ktodayApache-2.0A68Claude Code
report-to-pdfasgeirtj/system_prompts_leaksSkill71ktodayCC0-1.0A17Claude Code, Codex
artifact-template-minimal-letterheadasgeirtj/system_prompts_leaksSkill71ktodayCC0-1.0A54Claude Code, Codex