caveman-prevent

caveman-prevent is a skill for Claude Code, Codex from aidvizhhub/caveman-dvizh-skills. It costs 286 tokens per session (2,442 once invoked), scanned A, original, MIT.

A risk-prevention workflow that looks for likely failures before work begins and plans ways to detect or avoid them.

In plain words
What is it for?
Use it to review how a task could fail, assess the likely impact and frequency, and add preventive checks before implementation.
Why use it?
It helps address problems before they become errors, rather than investigating them after something breaks. It uses a premortem, which means imagining that the work failed and working backward to identify why.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions OpenCode.

Good fit Use it to review how a task could fail, assess the likely impact and frequency, and add preventive checks before implementation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent
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 aidvizhhub/caveman-dvizh-skills --skill caveman-prevent
Clone the repo
git clone --depth 1 https://github.com/aidvizhhub/caveman-dvizh-skills

Made for: Claude Code, Codex.

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 caveman-prevent

README.md
[![agentmods](https://agentmods.dev/badge/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent/github.svg)](https://agentmods.dev/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent)
Your own site
<a href="https://agentmods.dev/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent"><img src="https://agentmods.dev/badge/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent/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 caveman-prevent

Your own site · 80×15
<a href="https://agentmods.dev/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent"><img src="https://agentmods.dev/badge/skills/aidvizhhub/caveman-dvizh-skills/caveman-prevent.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 286 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,442 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 $0.00286 $0.02442
Opus 5 $0.00143 $0.01221
Sonnet 5 $0.00057 $0.00488
Haiku 4.5 $0.00029 $0.00244

Measured 12d ago against content hash 50ca50135faa, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

caveman-prevent 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 12d 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.

skills/caveman-prevent/SKILL.md · 123 lines

How it starts

The opening of the file, as written. The whole thing — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.

caveman-prevent (модуль полного канона)

🇬🇧 English instructions: references/EN.md — полный перевод тела.

Это часть устава пещерника. Полный канон целиком — скилл caveman-canon. Всё ниже — выдержки из BRO.md один в один (без сокращений).

⚡ ЗАКОН СКИЛЛОВ (авг 2026): на КАЖДЫЙ промт грузи как можно больше скиллов племени — МИНИМУМ 6, лучше ВСЕ 17 (canon + conclusion + teach + cheat + advise + prevent + verify + loop + code + style + think + research + run + diagnose + save + desktop + kill). Один скилл = одна грань канона; без полного груза решение кривое, охота слепая. Большая задача = ЦИКЛ ПЛЕМЕНИ (скилл caveman-loop): 8 шагов, пока «готово» не доказано фактами, кап 3 итерации → стоп и отчёт.

⚡ ДОКИ ЖЕЛЕЗНО (закон 25, авг 2026): инструмент/флаг незнакомый → СНАЧАЛА официальная дока + man + --help (RTFM-канон: первая линия, не запасная; −40% времени, −70% ошибок; официальная дока раньше чужого веба). Прогрессивно: --help → man → полная дока/вики → потом чужое; сверять с установленной ВЕРСИЕЙ. Пример: ffmpeg — man ffmpeg + ffmpeg-all.html.


СУТЬ: беду лучше вшить, чем догонять (закон 36, авг 2026) — РЕШЕНО ✅

Канон (42 источника, кауфми 24 авг 2026: Gary Klein pre-mortem (HBR 2007) — «представь, что уже провалилось, и работай назад»: +30% к выявлению причин провала против обычного планирования; Kahneman «Thinking, Fast and Slow» — снимает оптимизм-бias за 15 минут (pmstudycircle/asana/projectmanager); FMEA (aigproexcellence, lean-corp, intellipermit) — Failure Modes and Effects: как сломается → что будет → откуда причина → есть ли контроль; RPN = Severity × Occurrence × Detection, высокий RPN = чини до движения; Engineering Out Risk (thesafetymaster, HAZOP) — «you cannot engineer out a risk you do not see», безопасность ВШИТА в дизайн, иерархия контролей: elimination > engineering > admin > PPE; Shift-Left Testing (codoid, elionavarrete, qodex) — лови баги на 10x раньше, фикс в проде = 10x дороже (qodex); Predictive Maintenance (IBM, UptimeAI, f7i P-F interval) — детектируй отказ ДО поломки по ранним признакам; Proactive Resilience (Google/Netflix/AWS — monitoring + auto-remediation + predictive scaling) — надёжность вшита, не догоняется; Proactive Performance Tuning (moldstud/ fastercapital) — узкие места ищи ДО, не после («не делай медленно то, что можно быстрее»); питфолл-чеки (ones.com, dev.to, mynextdeveloper) — списки граблей заранее):

Read the full file on GitHub · 123 lines

Files

What ships with it

1 file 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.

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. 12d ago First seen · 123 lines · 286 tokens per session scan A 50ca50135faa

Subscribe to this mod's changes

caveman-prevent is a skill published in the GitHub repository aidvizhhub/caveman-dvizh-skills (6 stars, last pushed 18d ago), licensed MIT. It adds 286 tokens to every session and 2,442 once invoked, about $0.0014 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.

Related

Other skills, from other repositories