Discover Testing & security skills, compare source repositories and read the instructions for each workflow.
Modern Rust backend with Axum, SQLx, tokio + CI/CD automation. Use when: building Rust APIs, high-performance services, or needing build/test/lint/audit automation. Triggers: "axum", "rust backend", "rust api",...
Cloud cost management, rightsizing, and FinOps practices.
Axum + Askama + HTMX stack for single-binary web apps. Use when: building server-rendered UI, lightweight frontends, single deployable binary. Triggers: "htmx", "askama", "templates", "server-rendered", "single...
iOS App Store and Google Play submission requirements and process.
Use when errors occur deep in execution and you need to trace back to find the original trigger - systematically traces bugs backward through call stack to identify source of invalid data
Add features by description. User says WHAT, AI figures out HOW. Use when: user wants to add functionality to existing app. Triggers: "add auth", "add payments", "add search", "добавь", "integrate", "connect".
Validates project after initialization. Checks static files, endpoints, CSS, health. Use when: after rust-project-init, before TDD loop. Triggers: "validate project", "check project", "verify init".
Automatic code review and fixes before showing to user. Use when: code generation is complete, before preview. Triggers: internal use only.
CI/CD pipeline design with GitHub Actions, GitLab CI, and best practices.
Code review workflow and best practices. Use when: reviewing PRs, receiving feedback, or preparing code for review. Triggers: "code review", "review", "pr review", "pull request", "feedback", "review changes".
Cross-language testing patterns: unit, integration, E2E testing strategies. Use when: writing tests, setting up test infrastructure, or improving coverage. Triggers: "test", "testing", "unit test", "integration...
Local storage, data sync, and conflict resolution for offline-capable apps.
Apache Airflow DAG design, operators, and scheduling best practices.
React Native core patterns, navigation, state management, and performance optimization.
Assess Claude Code knowledge and route to appropriate learning level. Use when: user wants to learn Claude Code, asks for guidance, or says "teach me". Triggers: "learn Claude Code", "teach me", "I'm new", "whe...
Automatically choose the best tech stack based on requirements. User never sees this. Use when: starting a new project after idea validation. Triggers: internal use only, called by build pipeline.
Universal Links, App Links, and URL scheme configuration.
Use when tests have race conditions, timing dependencies, or inconsistent pass/fail behavior - replaces arbitrary timeouts with condition polling
PySpark fundamentals for distributed data processing.
Proactive workflow for projects using beads issue tracker. ACTIVATE AUTOMATICALLY when session starts in directory with .beads/. Use when: starting work session, selecting tasks, completing tasks, creating subt...
Expo SDK, EAS Build, EAS Update, and managed workflow best practices.
Use when invalid data causes failures deep in execution - validates at every layer data passes through to make bugs structurally impossible
Manages course progress tracking in ~/.claude-course/progress.json. Use when: loading, saving, or displaying course progress. Internal skill - used by /ccc:course commands.
Data quality testing with dbt tests, Great Expectations, and monitoring.
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