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Found 1,440 Skills
Systematically validate your business hypotheses before building anything. Master Steve Blank's Customer Development methodology that became the foundation of Lean Startup and YC's approach. Use when: **Starting a new venture** to avoid building something nobody wants; **Before writing a line of code** to validate problem-solution fit; **Pivoting decisions** to systematically test new directions; **Early-stage fundraising** to prove market validation; **Product roadmap planning** to prioritiz...
Use when creating or developing, before writing code or implementation plans - refines rough ideas into fully-formed designs through collaborative questioning, alternative exploration, and incremental validation. Don't use during clear 'mechanical' processes
Motion design framework for programmatic video. Defines anti-slideshow architecture, visual layering, physics-based easing, choreography rules, and quality validation. Reference this skill from any guided video skill.
Event modeling facilitation for discovering and designing event-sourced systems. Four phases: domain discovery, workflow design (9-step process), GWT scenario generation, and model validation. Activate when starting a new project, designing features, modeling domains, writing Given/When/Then scenarios, or discussing event sourcing and domain-driven design.
Create, validate, and work with Atlassian Document Format (ADF) for Jira. Use when creating rich content for Jira issues, epics, and comments. Helps with understanding ADF node structure, building documents programmatically, validating ADF against the specification, and troubleshooting validation errors.
Creates and updates Home Assistant Lovelace dashboards programmatically via WebSocket API with dashboard structure, view configuration, and entity validation. Use when asked to "create HA dashboard", "automate dashboard creation", "WebSocket dashboard API", "programmatic Lovelace", or "validate dashboard entities".
Review error handling, input validation, and exception patterns using 24-item checklist. Use when auditing defensive code, designing barricades, choosing assertion vs error handling, or deciding correctness vs robustness strategy. Triggers on: empty catch blocks, missing input validation, assertions with side effects, wrong exception abstraction level, garbage in garbage out mentality, deadline pressure to skip validation, trusted source rationalization. Produce status table with VIOLATION/WARNING/PASS per item, or barricade/error-handling design recommendations.
Apply a structured migration workflow from native mini-program projects to weapp-vite and wevu. Use when converting Page/Component code to Vue SFC, replacing setData-heavy state updates with ref/reactive, migrating properties/observers/triggerEvent contracts, introducing platform guards, and building migration-focused e2e validation and rollback checkpoints.
Bootstrap Python MCP server projects and workspaces on macOS using uv and FastMCP with consistent defaults. Use when creating a new MCP server from scratch, scaffolding a single uv MCP project, scaffolding a uv workspace with package/service members, initializing pytest+ruff+mypy defaults, creating README.md, initializing git, running initial validation checks, or starting from OpenAPI/FastAPI with MCP mapping guidance.
Create a new plugin for Claude Code marketplace with validation, ADR, and release automation. TRIGGERS - create plugin, new plugin, scaffold plugin, add plugin, plugin-dev create.
Use when validating code quality after modifications. Runs sniper agent in isolated forked context for clean, fast validation.
Provides comprehensive code review capability for React applications, validates component architecture, hooks usage, React 19 patterns, state management, performance optimization, accessibility compliance, and TypeScript integration. Use when reviewing React code changes, before merging pull requests, after implementing new features, or for component architecture validation. Triggers on "review React code", "React code review", "check my React components".