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Found 2,259 Skills
Expert guidance for unix-goto shell navigation tool development, including architecture, 9-step feature workflow, testing (100% coverage), performance optimization (<100ms targets), and Linear issue integration
C++20 specialist with expertise in modern C++ features, performance optimization, and system programming
Rust coding best practices based on Microsoft Pragmatic Rust Guidelines. ALWAYS invoke before writing or modifying Rust code. Covers error handling, API design, performance, and idiomatic patterns.
Best practices for NumPy array programming, numerical computing, and performance optimization in Python
Use this skill to migrate identified PostgreSQL tables to Timescale/TimescaleDB hypertables with optimal configuration and validation. **Trigger when user asks to:** - Migrate or convert PostgreSQL tables to hypertables - Execute hypertable migration with minimal downtime - Plan blue-green migration for large tables - Validate hypertable migration success - Configure compression after migration **Prerequisites:** Tables already identified as candidates (use find-hypertable-candidates first if needed) **Keywords:** migrate to hypertable, convert table, Timescale, TimescaleDB, blue-green migration, in-place conversion, create_hypertable, migration validation, compression setup Step-by-step migration planning including: partition column selection, chunk interval calculation, PK/constraint handling, migration execution (in-place vs blue-green), and performance validation queries.
Prepare and lead difficult conversations as a manager/leader and produce a Difficult Conversation Pack (conversation brief, talk track/script, objection+emotion handling plan, follow-up note, and quality gates). Use for difficult conversation, hard conversation, tough feedback, performance conversation, promotion denial, layoff conversation, termination conversation, firing. Category: Leadership.
Builds dashboards, reports, and data-driven interfaces requiring charts, graphs, or visual analytics. Provides systematic framework for selecting appropriate visualizations based on data characteristics and analytical purpose. Includes 24+ visualization types organized by purpose (trends, comparisons, distributions, relationships, flows, hierarchies, geospatial), accessibility patterns (WCAG 2.1 AA compliance), colorblind-safe palettes, and performance optimization strategies. Use when creating visualizations, choosing chart types, displaying data graphically, or designing data interfaces.
Analyze code quality, security, performance, and architecture. Use when user asks to analyze code, review codebase health, or identify issues.
Master microinteractions, animations, transitions, and feedback systems. Create intentional, delightful interactions that guide users and provide clear feedback. Includes animation principles, timing, easing, state transitions, and best practices for performance and accessibility.
Automatically discover debugging and profiling skills when working with GDB, LLDB, breakpoints, profiling, stack traces, memory leaks, core dumps, or performance profiling. Activates for debugging development tasks.
Opinionated constraints for building better user interfaces. Triggers on building or reviewing web components, pages, forms, modals, animations, or any frontend UI work. Covers accessibility, focus states, touch interactions, and performance.
Auto-Claude performance optimization and cost management. Use when optimizing token usage, reducing API costs, improving build speed, or tuning agent performance.