Developer Tools

Research a codebase and create architectural documentation describing how features or systems work. Use when the user asks to: (1) Document how a feature works, (2) Create an architecture overview, (3) Explain code structure for onboarding or knowledge transfer, (4) Research and describe a system's design. Produces markdown documents with Mermaid diagrams and stable code references suitable for humans and AI agents.

Comprehensive progress synchronization expert for multi-system sync (tasks.md → living docs → GitHub/JIRA/ADO). Use when syncing progress across systems, creating missing external issues, or understanding /sw:sync-progress command. AUTO-CREATES missing issues when external links are absent.

Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git worktrees with smart directory selection and safety verification

Dynamically select the best AI model for a task based on complexity, cost, and availability in GitHub Copilot. Use when deciding between free/paid models, or when you want automatic model routing based on query analysis.

Share code snippets and files securely via snipit.sh with AES-256 encryption. Use when sharing code, configs, logs, diffs, or secrets with password protection, burn-after-read, or auto-expiration. Supports CLI (snipit) or curl API fallback.

Turn your code scan findings into search queries — research existing implementations before consulting an attorney. NOT legal advice.

Auto-route tasks to the cheapest Claude model that works correctly. Three-tier progression: Haiku → Sonnet → Opus. Classify before responding. HAIKU (default): factual Q&A, greetings, reminders, status checks, lookups, simple file ops, heartbeats, casual chat, 1-2 sentence tasks. ESCALATE TO SONNET: code >10 lines, analysis, comparisons, planning, reports, multi-step reasoning, tables, long writing >3 paragraphs, summarization, research synthesis, most user conversations. ESCALATE TO OPUS: architecture decisions, complex debugging, multi-file refactoring, strategic planning, nuanced judgment, deep research, critical production decisions. Rule: If a human needs >30 seconds of focused thinking, escalate. If Sonnet struggles with complexity, go to Opus. Save 50-90% on API costs by starting cheap and escalating only when needed.

Task-level GitHub issue tracking for fine-grained progress visibility via comments, checklists, and labels. Use when tracking detailed task progress in GitHub, managing team collaboration on specific tasks, or tracking blocking issues. Enables per-task updates and discussions.

Generate tests to hit uncovered code paths

Code refactoring patterns and techniques for improving code quality without changing behavior. Use for cleaning up legacy code, reducing complexity, or improving maintainability.

Enable CLI debug logging with environment variables. Use when troubleshooting or inspecting CLI behavior.

Create terminal-inspired UI interfaces with macOS-style window decorations, monospace typography, and a warm color palette. Use this skill when building developer tools, code marketplaces, technical documentation sites, or any interface that benefits from a terminal/command-line aesthetic. Provides complete design system specifications including color palette, typography, spacing, components, and CSS implementation details.