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tjboudreaux

cc-thinking-skills

18 mental models as Claude Code skills — First Principles, Bayesian reasoning, Systems Thinking, OODA, Pre-Mortem and more — invoked when a problem needs a thinking framework.

690 112 JavaScript MITupdated 1 months ago
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Curator's take

Decision frameworks as installable capability: instead of hoping the model reasons well, you hand it the explicit framework the situation calls for — pre-mortem before a launch, Bayesian updating on flaky evidence, OODA under time pressure. Cheap to adopt, zero infrastructure. The honest ceiling: a framework prompt shapes reasoning, it doesn't guarantee it — the model can still pattern-match its way past the discipline; treat the outputs as structured drafts for YOUR judgment.

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README.md

Claude Code Thinking Skills

39 Mental Models and Critical-Thinking Frameworks for Claude Code

Claude Code Thinking Skills is a collection of 39 mental-model and critical-thinking frameworks for Claude Code that give Anthropic's AI coding agent structured ways to reason about decisions, debugging, systems, risk, and strategy. Each skill packages a proven thinking framework — from first-principles reasoning to the theory of constraints — into a Claude Code skill you can invoke by name, and the whole collection is backed by a transparent, replication-gated evaluation pipeline.

Claude Code Skills License: MIT Skills Count

Claude Code Thinking Skills banner

TL;DR — At a Glance
What it is A library of 39 mental-model and critical-thinking skills for Claude Code.
Who it's for Engineers, founders, and analysts who want Claude Code to reason with structured frameworks instead of ad-hoc heuristics.
How to start Install via the plugin marketplace, then invoke thinking-model-router to be routed to the right skill.
License MIT — free to use, modify, and distribute.
Evidence Every skill ran through a replication-gated Elevate-or-Kill evaluation pipeline. The honest headline: zero skills currently hold a robust, replicated ELEVATE verdict — and we publish that result rather than hide it.
Entry point thinking-model-router → START HERE

Table of Contents

Why This Project Is Different

Most "AI prompt pack" repositories claim their content makes models smarter and never test the claim. This project did the opposite: it built an objective, length-controlled, replication-gated evaluation harness and ran all 39 skills through it. The result is documented openly, including the inconvenient finding that no skill yet meets the bar for a proven, replicated accuracy gain.

That rigor is the point. These skills are useful structured-reasoning scaffolds grounded in established frameworks, and the evaluation methodology is honest enough to tell you exactly how strong the evidence is. Transparency over hype is the standard here.

Features

  • 39 Thinking Frameworks — A curated library of mental models for decision-making, debugging, and strategy.
  • Eval-Backed and Honest — Built and tested with a rigorous, replication-gated evaluation pipeline; see the Elevate-or-Kill Scorecard.
  • Battle-Tested Foundations — Grounded in frameworks from cognitive science, systems thinking, and strategic analysis (Munger, Meadows, Kahneman, Goldratt, Altshuller/TRIZ, Boyd/OODA).

Continue your stack

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