Coding standards, frameworks, refactoring, and code review (18.1K skills)
Analyze an existing codebase in parallel via 7 specialized mapper subagents. Outputs structured findings to docs/codebase/ for persistent cross-session context. Use when onboarding to a brownfield project or when reactive on-demand file reading is too slow.
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On-demand situational awareness — fresh git/PR snapshot plus continuation, distilled into one concrete "next action" suggestion. Use mid-session when you've lost track, after a compaction, or starting a new work block. Trigger on "where was I", "what's next", "progress", "what should I do now", "/progress".
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Final-mile orchestrator - commit + push + PR creation. Run after /pre-commit passes. Chains: commit -> push -> /pr-creator (artifact check + PR). Use --issue N to auto-close a GitHub issue on merge. Use --main to ship directly to main with no PR (closes issue + deletes branch).
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Manage operations concerning GitHub on behalf of user
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Design UI, build components, write Playwright E2E tests, run WCAG accessibility audits, and do visual review. Use when building or testing frontend/UI work. Trigger on "build a component", "frontend", "E2E test", "accessibility audit", "a11y", "visual review", "make this look good".
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Review code for quality, security, and performance with comprehensive feedback.
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Dispatch reviews to external companion AIs (Codex, Gemini, Claude) for an independent second opinion on code changes, PR readiness, doc completeness, architecture, or implementation status. Use when you want a fresh-eyes review beyond Claude-native. Trigger on "get a second opinion", "companion review", "review my changes", "review the PR". For Claude-only quality checks use /code-review.
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Fetch Claude Code documentation and help update configuration. Use /claude-code-guide <topic> where topic is: memory, skills, hooks, agents, settings, mcp, plugins, cli, overview, all
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Fix bugs and technical debt with minimal ceremony. Issue GitHub optional — provide one for traceability or work free-form. Replaces /issue-fix.
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Claude-native review of code for quality, structure, naming, and maintainability (no external AI). Use when reviewing a file or diff for code quality before committing. Trigger on "review this code", "code review", "is this well-written". For security, use /security-verify; for companion-AI review, use /review.
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Work with Effect v4 / effect-smol TypeScript code in this repo
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Get current weather and forecasts (no API key required).
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Interact with GitHub using the `gh` CLI. Use `gh issue`, `gh pr`, `gh run`, and `gh api` for issues, PRs, CI runs, and advanced queries.
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Use when writing, reviewing, or refactoring Rust code. Covers ownership, borrowing, error handling, async patterns, API design, memory optimization, performance, testing, and common anti-patterns. Targets Rust 1.80+ and Edition 2024. Invoke with /rust-core.
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Use when working with Redis - in-memory database, caching, pub/sub, sessions, rate limiting, RESP3, asyncio, Redis Stack
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Use when working with SQLAlchemy 2.0 in Python - declarative models, queries, sessions, async engines, Alembic migrations, relationship loading strategies, N+1 detection, pool exhaustion, or 2.0 migration
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Use when developing plugins, tools, and extensions for OpenCode v1 - plugin contract, crash-prevention rules, ctx/event APIs, subagent lifecycle (abort races, compaction, orphan detection), MCP integration, testing patterns, or publishing to npm
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Use when doing structural code search and rewriting - ast-grep linting, refactoring, multi-language patterns
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Use when making HTTP requests in Python with httpx - sync and async clients, connection pooling, timeouts, HTTP/2, retry patterns, transport configuration, or choosing between httpx/requests/aiohttp
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Use when setting up or troubleshooting Waydroid on Linux - installation and initialization, waydroid CLI, GPU and networking setup, GApps and Play certification, ADB integration, file sharing, or desktop environment integration
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Type-safe client-side routing for React with file-based routes, search params validation, loaders, and code splitting
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Client-side routing with data APIs — loaders, actions, error boundaries, search params, nested layouts, and code splitting
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Modern native JavaScript (ES2022-ES2025) utility patterns that replace lodash
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date-fns patterns for TypeScript - formatting, parsing, manipulation, comparison, timezone handling, and internationalization
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