agent-skills

feature-ultra

Systematic pre-implementation analysis that finds unknown unknowns — usability gaps, broken flows, state conflicts, concurrency hazards, error dead-ends, and edge cases BEFORE code is written. Fire-and-forget: runs all phases autonomously and delivers a severity-ordered report. Works across stacks — frontend, backend, CLI, mobile, APIs. Use this skill when: (1) before implementing any feature that changes existing behavior, (2) before adding async/background processing to what was synchronous, (3) when a feature touches shared state (global stores, caches, databases, queues), (4) when a feature has multiple entry points or triggers, (5) when moving functionality between surfaces or layers, (6) when the user asks to 'think through' or 'analyze' a feature before building it, (7) when reviewing a plan for hidden failure modes. Triggers on: 'analyze this feature', 'think through the flow', 'what could go wrong', 'check for edge cases', 'will this break anything', 'find problems with this', 'unknown unknowns', flow analysis, impact analysis, pre-implementation review.

clarify

Adaptive thinking partner that helps clarify, challenge, and refine ideas through persistent questioning. Auto-detects domain (product, architecture, debugging, process, general) and user mode (exploring, deciding, refining) to adapt question style. Actively pushes back on weak reasoning — flags contradictions, challenges assumptions, stress-tests claims. Produces context-appropriate artifacts when done (design doc, hypothesis list, decision matrix, or key insights). Use this skill when: (1) brainstorming or exploring an idea before implementation, (2) requirements are vague and need clarification, (3) making architectural or product decisions, (4) debugging and need to form hypotheses, (5) refining an approach that's mostly decided. Triggers on: 'brainstorm', 'clarify', 'think through', 'explore', 'help me figure out', 'what should I consider', 'let's think about', 'what could go wrong', 'help me decide'.