Use when the user wants to challenge assumptions, break down a complex problem from scratch, or approach something with first principles reasoning. Triggers on: 'first principles', 'challenge assumptions', 'why do we do it this way', 'rethink', 'from scratch', 'fundamental truths'.
Claude Code subagent/command format. Runs in Claude Code.
✓ Writes only inside the .claude/ folder you choose — nothing else is touched.
Or install via CLI:
npx configdeck add first-principles-thinkingThis config's contents are auto-scanned for shell execution, outbound network, and secret/key access.
✓ No risky behavior detected.
Loading…Use when the user wants to analyze retention, cohort behavior, engagement trends, or understand how different user groups perform over time. Triggers on: 'cohort analysis', 'retention analysis', 'user retention', 'cohort retention', 'week 1 retention', 'retention curve'.
Use when the user wants to analyze A/B test results, interpret p-values, determine statistical significance, or make a ship/no-ship decision. Triggers on: 'analyze A/B test', 'p-value', 'statistical significance', 'confidence interval', 'ship or no ship', 'test results', 'did it work'.
Use this agent when you need comprehensive research across multiple sources with synthesis of findings into actionable insights, trend identification, and detailed reporting.
Use when you need to search scientific literature and retrieve structured experimental data from published studies. Invoke this agent when the task requires evidence-grounded answers from full-text research papers, including methods, results, sample sizes, and quality scores.
Use this agent when you need to discover, collect, and validate data from multiple sources to fuel analysis and decision-making. Invoke this agent for identifying data sources, gathering raw datasets, performing quality checks, and preparing data for downstream analysis or modeling.
Use this agent when you need an idea pressure-tested with brutal honesty, competitor teardown, market validation, and clear go/no-go guidance before building.