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Found 140 Skills
Comprehensive guide for MDAnalysis - the Python library for analyzing molecular dynamics trajectories. Use for trajectory loading, RMSD/RMSF calculations, distance/angle/dihedral analysis, atom selections, hydrogen bonds, solvent accessible surface area, protein structure analysis, membrane analysis, and integration with Biopython. Essential for MD simulation analysis.
Creates Source-of-Truth docs (Project Brief, Decisions, Glossary) for new app ideas. Use at the very start of a project to lock scope, stack, and terminology. Essential for preventing drift in downstream PRD, UI/UX, and Architecture phases.
Comprehensive Java development best practices covering SOLID principles, DRY, Clean Code, Java-specific patterns (Optional, immutability, streams, lambdas), exception handling, collections, concurrency, testing with JUnit 5 and Mockito, code organization, performance optimization, and common anti-patterns. Essential reference for uncle-duke-java agent during code reviews and architecture guidance.
Automated brownfield codebase analysis. Detects project type, frameworks, dependencies, architecture patterns, and generates comprehensive project profile. Essential for Conductor integration and onboarding existing projects.
Core JavaScript fundamentals including variables, data types, operators, control flow, and basic syntax. Essential foundation for all JavaScript development.
Start the Wasp dev server and set up full debugging visibility. This includes running the server (with access to logs), and connecting browser console access so Claude can see client-side errors. Essential for any development or debugging work.
Use when starting a session on a project, returning after time away, or before making significant changes. Essential for building comprehensive understanding of project state through total recall and deep exploration.
Python coding standards with automatic version detection. Use when writing, reviewing, or refactoring Python to ensure adherence to LBYL exception handling patterns, modern type syntax (list[str], str | None), pathlib operations, ABC-based interfaces, absolute imports, and explicit error boundaries at CLI level. Also provides production-tested code smell patterns from Dagster Labs for API design, parameter complexity, and code organization. Essential for maintaining erk's dignified Python standards.
Create and configure WPF TileView controls for organizing and displaying content in tile layouts. Use this skill whenever users need to implement tile-based layouts, arrange tiles in matrix positions, add drag-drop functionality to tiles, maximize/minimize tile items, customize tile headers and appearance, bind data to tile views, or create responsive dashboard-like layouts. Essential for building WPF applications with interactive tiled interfaces.
Analyze contract fundamentals including formation requirements (offer, acceptance, consideration), essential clauses, and common risk areas. Use this skill when the user needs to review a contract, understand contract terms, identify risky clauses, or draft contract provisions — even if they say 'review this agreement', 'what should I watch out for in this contract', or 'is this clause standard'.
Audio playback using Tone.js including players, transport, scheduling, and loading audio. Use when implementing background music, sound effects, audio synchronization, or timed audio events. Essential for any audio-enabled web application.
Syncfusion Angular Timeline component for displaying sequential events and milestones. Use this to create vertical or horizontal timelines with configurable alignments (Before, After, Alternate, AlternateReverse), custom content, opposite-side content, event handlers, and advanced customization including dot styling, connector appearance, and item templates. Essential for implementing product roadmaps, project timelines, activity feeds, career progression timelines, and any sequential event visualization.