Thinking, Fast and Slow

by Daniel Kahneman

self-helppsychologydecision-makingcognitive-bias5 skills

Nobel laureate Daniel Kahneman's masterwork reveals the two systems that shape our judgments and decisions: System 1 (fast, intuitive, emotional) and System 2 (slow, deliberate, logical). Through decades of research, Kahneman exposes the systematic errors in human thinking, from anchoring bias to loss aversion. These skills help you recognize cognitive biases in real-time, make better decisions under uncertainty, and avoid the traps that lead to poor judgment.

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Skills (5)

/system-one-twoPart 1: Two Systems

Recognize when System 1 (fast, intuitive) vs System 2 (slow, deliberate) thinking is appropriate for your situation.

/anchoring-biasPart 2: Heuristics

Identify and overcome anchoring effects that distort your judgments and decisions.

/loss-aversionPart 4: Prospect Theory

Account for loss aversion in risk decisions and make rational choices under uncertainty.

/planning-fallacyPart 3: Overconfidence

Use reference class forecasting to overcome the planning fallacy and make realistic plans.

/framing-effectsPart 4: Frames

Reframe decisions to avoid manipulation and see choices more clearly and rationally.

Installation

01Clone the repository

bash

git clone https://github.com/concaption/spellpages.git ~/.claude/spellpages

02Install the plugin

bash

claude plugin install ~/.claude/spellpages/content/books/thinking-fast-and-slow

03Start using skills

Type a skill command (e.g. /system-one-two) in Claude Code.

one-liner

bash

git clone https://github.com/concaption/spellpages.git ~/.claude/spellpages && claude plugin install ~/.claude/spellpages/content/books/thinking-fast-and-slow