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 guia-matthieu/clawfu-skills --skill cognitive-biasesgit clone --depth 1 https://github.com/guia-matthieu/clawfu-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/guia-matthieu/clawfu-skills/cognitive-biases)<a href="https://agentmods.dev/skills/guia-matthieu/clawfu-skills/cognitive-biases"><img src="https://agentmods.dev/badge/skills/guia-matthieu/clawfu-skills/cognitive-biases/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/guia-matthieu/clawfu-skills/cognitive-biases"><img src="https://agentmods.dev/badge/skills/guia-matthieu/clawfu-skills/cognitive-biases.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 | $0.03945 |
| Opus 5 | $0.00048 | $0.01972 |
| Sonnet 5 | $0.00019 | $0.00789 |
| Haiku 4.5 | $0.00010 | $0.00394 |
Grade A, and why
cognitive-biases 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 9d 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 — 575 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cognitive Biases for Marketing
Apply Kahneman and Thaler's behavioral economics principles to marketing—understand how customers actually make decisions and design experiences that work with human psychology, not against it.
When to Use This Skill
Use this skill when you need to:
- Improve conversion rates by removing friction and applying behavioral nudges
- Design pricing pages that guide customers toward optimal choices
- Write copy that resonates with how people actually process information
- Create urgency and scarcity that feels authentic, not manipulative
- Increase email open rates and click-through rates
- Reduce cart abandonment by understanding decision barriers
- Build loyalty programs that drive repeat behavior
- Design onboarding flows that drive activation
- A/B test strategically based on behavioral hypotheses
This skill is particularly valuable for:
- Conversion rate optimizers seeking science-backed tactics
- Product managers designing user experiences
- Copywriters crafting persuasive messaging
- Pricing strategists structuring offers
- Email marketers improving engagement
- Anyone who wants to understand why customers behave irrationally
Methodology Foundation
Source: Daniel Kahneman (Thinking, Fast and Slow) & Richard Thaler (Nudge, Misbehaving)
Core Principle: Humans don't make decisions like rational economic agents. We use mental shortcuts (heuristics) that lead to predictable biases. Understanding these biases allows you to design marketing that works with human psychology rather than against it.
"If you want to encourage someone to do something, make it easy." — Richard Thaler
What Claude Does vs What You Decide
| Claude Does | You Decide |
|---|---|
| Structures content frameworks | Final messaging |
| Suggests persuasion techniques | Brand voice |
| Creates draft variations | Version selection |
| Identifies optimization opportunities | Publication timing |
| Analyzes competitor approaches | Strategic direction |
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.
- 9d ago First seen · 575 lines · 95 tokens per session scan A 3a95f0165029
cognitive-biases is a skill published in the GitHub repository guia-matthieu/clawfu-skills (149 stars, last pushed 5mo ago), licensed MIT. It adds 95 tokens to every session and 3,945 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 2026-09-03.
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