A curated marketplace of Claude Code plugins for product managers and critical thinkers. Structured methodologies to analyze problems, challenge assumptions, and make better decisions.
| Plugin | Description |
|---|---|
| Five-Whys | Root cause analysis using the Five Whys technique |
| Business-Model-Canvas | Strategic business model design using the Business Model Canvas |
| Cognitive-Biases | Understanding and applying cognitive biases in product design |
| Cognitive-Fluency | Apply cognitive fluency principles to improve clarity and trust |
| Cognitive-Load | Design experiences that optimize mental resources |
| Curiosity-Gap | Create engagement through strategic information gaps |
| Fogg-Behavior-Model | Design behavior change using B=MAP (Motivation, Ability, Prompt) |
| Game-Theory-Tit-for-Tat | Apply Tit for Tat strategy for negotiations and repeated interactions |
| Graph-Thinking | Non-linear problem solving using graph-based mental models |
| Halo-Effect-Psychology | Apply the halo effect in product design, UX, and first impressions |
| Hicks-Law | Optimize decision-making speed by managing choice quantity |
| Hooked-Model | Design habit-forming products using the Hook cycle |
| Hypothesis-Tree | Structure complex questions into testable hypotheses using MECE |
| Jobs-to-be-Done | Understand customer motivations through job theory |
| Kanban | Visualize and optimize workflow with Kanban boards and WIP limits |
| Loss-Aversion-Psychology | Leverage loss aversion in product design, messaging, and retention |
| Making-Product-Decisions | Framework for structured product decision-making |
| Progressive-Disclosure | Reduce complexity by revealing information progressively |
| Self-Initiated-Triggers | Design internal triggers for sustained user engagement |
| Skill-Creator | Guide for creating Claude Code custom skills |
| Social-Proof-Psychology | Leverage social proof to build trust and influence user behavior |
| Status-Quo-Bias | Design for users' preference for current state over change |
| Theme-Epic-Story | Structure product work using themes, epics, and stories |
| Trust-Psychology | Build trust signals that reduce risk and enable user action |
| User-Story-Fundamentals | Capture requirements from user perspective with structured stories |
| Visual-Cues-CTA-Psychology | Design CTAs using visual attention and gaze psychology |
| What-Not-To-Do-As-PM | Anti-patterns and mistakes to avoid as a product manager |
- Structured thinking — proven frameworks instead of ad-hoc analysis
- Ready to use — no setup, just install and go
- PM-focused — built for product managers and decision makers
1. Add the marketplace
/plugin marketplace add flpbalada/thinking-toolkit2. Install plugins
# Install all plugins
/plugin install thinking-toolkit
# Or install specific plugin
/plugin install thinking-toolkit:five-whys- Claude Code CLI installed