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 alivirgo/Major-AI-Skills --skill build-your-ai-common-sense-habitgit clone --depth 1 https://github.com/alivirgo/Major-AI-SkillsWrote 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/alivirgo/major-ai-skills/build-your-ai-common-sense-habit)<a href="https://agentmods.dev/skills/alivirgo/major-ai-skills/build-your-ai-common-sense-habit"><img src="https://agentmods.dev/badge/skills/alivirgo/major-ai-skills/build-your-ai-common-sense-habit/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/alivirgo/major-ai-skills/build-your-ai-common-sense-habit"><img src="https://agentmods.dev/badge/skills/alivirgo/major-ai-skills/build-your-ai-common-sense-habit.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 | $0.00028 | $0.01102 |
| Opus 5 | $0.00014 | $0.00551 |
| Sonnet 5 | $0.00006 | $0.00220 |
| Haiku 4.5 | $0.00003 | $0.00110 |
Grade A, and why
build-your-ai-common-sense-habit 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.
How it starts
The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Build Your AI Common Sense Habit (The Master Operating System) (AI Skill)
Overview
Generative AI tools (ChatGPT, Claude, Gemini) are not search engines, and they are not infallible humans - they are high-powered, probabilistic text engines. Treating them like magical minds leads to frustration, while treating them with structured common sense turns them into the ultimate personal multiplier.
This guide codifies the 5 Core Habits of High-Leverage AI Operators into a daily mental checklist.
The 5 Pillars of the AI Common Sense Operating System
┌─────────────────────────────────────────────────────────────┐
│ The AI Common Sense Engine │
│ │
│ 1. ANCHOR FIRST ──► Provide role, context & boundaries │
│ │ │
│ 2. BOUND OUTPUT ──► Set word limits, schemas, or tables │
│ │ │
│ 3. VERIFY EXTERNALLY ─► Click URLs, compute math with code │
│ │ │
│ 4. PROGRESSIVE FLOW──► Ask BLUF/summary before deep dives │
│ │ │
│ 5. SURGICAL EDITS ──► Edit only broken lines, keep voice │
└─────────────────────────────────────────────────────────────┘
The 5 Core Daily Habits
Habit 1: Anchor Before Asking (Context Over Guessing)
- The Rule: Never give a naked 1-line command ("Write an email to Dave").
- The Habit: Always state the Role, Audience, Goal, and Banned Words upfront. 10 seconds of prompt clarity saves 5 minutes of rewriting.
Habit 2: Enforce Bounded Outputs (Tables & Word Ceilings)
- The Rule: Unconstrained AI produces rambling narrative essays.
- The Habit: Explicitly demand: "Respond as a Markdown table with 4 columns" or "Keep answer strictly under 100 words".
Habit 3: Externalize Math and URLs (Zero-Trust Grounding)
- The Rule: LLMs hallucinate numbers, prices, and links because they predict tokens rather than executing calculations or querying live DNS.
- The Habit: Always demand Python scripts for arithmetic and independently click links before sending to clients or stakeholders.
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.
- yesterday Changed · -9 tokens per session 66004498ffd9
- 7d ago First seen · 90 lines · 37 tokens per session scan A 5a62e8ee0822
build-your-ai-common-sense-habit is a skill published in the GitHub repository alivirgo/Major-AI-Skills (1 stars, last pushed today), licensed MIT. It adds 28 tokens to every session and 1,102 once invoked, about $0.0001 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 2026-09-05.
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