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Causal Tree Analysis
Hierarchical root cause investigation technique that maps all necessary and sufficient conditions leading to an adverse event using tree-structured logic
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Skill Directory
AI Skill Directory
Browse curated skills with source links, package snapshots, README assets and install signals in one calm, searchable catalog.
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confidence-intervals
Express uncertainty as a plausible range instead of false precision - quantify how confident you are in estimates to avoid overconfidence in decisions
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design-patterns-creational
Control object creation mechanisms using five creational patterns from the Gang of Four to increase flexibility and reuse
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fail-safes
Design systems to automatically transition to safe state when failures occur, preventing harm through built-in protective responses
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Orders of Magnitude
Mental model for making rough estimates by thinking in powers of 10, enabling quick reasoning about scale, feasibility, and relative importance
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three-marks-of-existence
Apply three universal characteristics - impermanence, unsatisfactoriness, non-self - to reduce suffering through realistic expectations and non-attachment
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ln-160-docs-skill-extractor
Scans project docs, classifies procedural content, extracts into .claude/commands skills
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ln-630-test-auditor
Test suite audit coordinator: automated + manual tests. Delegates to 7 workers (Business Logic, E2E, Value, Coverage, Isolation, Manual Quality, Structure). Output: docs/project/test_audit.md.
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carrying-capacity
Identify maximum sustainable load, population size, or growth limits constrained by available resources to prevent overshoot and collapse - apply capacity planning, scalability analysis, and bottlenec…
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Data Structure Selection
Systematic decision-making process for choosing optimal data structure based on problem requirements, performance constraints, and operational characteristics
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Dunning-Kruger Effect
Low-skill individuals overestimate their competence because they lack the metacognitive ability to recognize their own incompetence
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fmea
Systematically identify potential failure modes, assess their severity and likelihood, and prioritize preventive actions using risk priority numbers
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stock-and-flow-diagrams
Model system dynamics with stocks (accumulations), flows (rates of change), and feedback to quantitatively predict behavior over time
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vue2-development
Vue 2 + TypeScript component development specification, using the vue-property-decorator class component pattern. Suitable for developing Vue single-file components, form components, dialog components…
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ln-201-opportunity-discoverer
Traffic-First opportunity discovery. KILL funnel filters ideas by traffic channel, demand, competition, revenue, interest, MVP-ability. Outputs one idea + one channel recommendation.
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ln-783-container-launcher
Builds and launches Docker containers with health verification using best practices
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chestertons-fence
Before removing something, understand why it was put there in the first place—reforms without understanding cause unintended consequences
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design-patterns-behavioral
Manage algorithms, relationships, and responsibilities between objects using eleven behavioral patterns from the Gang of Four
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extremizing-forecasts
Adjust aggregated probability forecasts upward when diverse forecasters converge, compensating for crowd conservatism
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Halo Effect
One positive trait creates a global positive impression, influencing judgments about unrelated characteristics
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stocks-flows-delays
Model system dynamics through accumulations (stocks), rates of change (flows), and time lags (delays) to understand inertia, overshoot, oscillation, and equilibrium - map inflows, outflows, buffers, a…
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qmd
Local hybrid search for markdown notes and docs. Use when searching notes, finding related content, or retrieving documents from indexed collections.
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ln-621-security-auditor
Checks hardcoded secrets, SQL injection, XSS, insecure dependencies, missing input validation. Returns findings with severity, location, effort, recommendations.
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ln-831-oss-replacer
Replaces custom modules with OSS packages using ln-645 migration plans, atomic keep/discard
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