Development skills

Pre/post dev toolbox — named bundles of skills/agents loaded before development work and councils of experts invoked after. Run /toolbox or the toolbox.py CLI to list, activate, initialize, export, import, and validate toolboxes. Invoke at the start or end of a dev session, when setting up a new repo, or when sharing toolboxes with a team.

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Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute. Use when user wants to prevent destructive git operations, add git safety hooks, or block git push/reset in Claude Code.

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Review a Git diff against repository standards and its originating requirements. Use for pull requests, branches, work-in-progress changes, or changes since a commit, tag, or merge-base.

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Find deepening opportunities in a codebase, informed by the domain language in CONTEXT.md and the decisions in docs/adr/. Use when the user wants to improve architecture, find refactoring opportunities, consolidate tightly-coupled modules, or make a codebase more testable and AI-navigable.

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Create a detailed refactor plan with tiny commits via user interview, then file it as a GitHub issue. Use when user wants to plan a refactor, create a refactoring RFC, or break a refactor into safe incremental steps.

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Discover installable agent skills from ctx's shipped Skills.sh catalog, the Skills.sh search API, and the npx skills CLI. Use when a user asks whether a skill exists, wants to add/update a skill, or needs a repeatable procedure for finding candidate skills safely.

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Plan changes to this repository using its domain CLI, MCP boundaries, and harness validation evidence.

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Draft repository, issue and pull request work from supplied repository evidence without performing GitHub writes. Use for this Bot Generator Bot template; creates drafts or simulations within its declared scope.

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Turn supplied API descriptions into a reviewable integration plan with explicit authentication and host compatibility gaps. Use for this Bot Generator Bot template; creates drafts or simulations within its declared scope.

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Prepares and verifies schema migrations, database roles and isolated recovery or test resources; not query tuning or runtime mutation orchestration.

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Creates project technical rules and recurring local procedures from the actual stack; edits guidance only, not architecture targets or application code.

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Modernizes a bounded capability to reduce demonstrated maintenance cost; not routine upgrades or performance tuning.

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Drafts or publishes authorized, fact-checked GitHub Discussions announcements; does not create releases.

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ActivityPub protocol specification and federation concepts. Use when working with ActivityPub activities, understanding federation mechanics, implementing protocol features, or debugging federation issues.

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PHP coding standards and WordPress patterns for ActivityPub plugin. Use when writing PHP code, creating classes, implementing WordPress hooks, or structuring plugin files.

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Configure debugging, bundle analysis, and ecosystem tools for React applications. Use when setting up Vite/webpack build tooling, analyzing bundle size, debugging re-renders with React DevTools, or configuring ESLint and StrictMode for React projects.

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Optimize React rendering, bundle size, and data flow with profiler-led decisions. Use when reducing re-renders, fixing waterfalls, or deciding whether memoization is warranted in React.

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Build modern React component architecture with composition patterns. Use when designing reusable React components, applying composition patterns, or structuring component hierarchies.

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Style React Native apps with StyleSheet API, Flexbox, theming, and responsive design. Use when implementing React Native styles, theming, Flexbox layouts, or responsive design.

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Implement local and global state with Context, Zustand, and Redux Toolkit in React Native. Use when choosing or implementing state management in React Native with Context, Zustand, or Redux.

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Resolve iOS and Android differences using Platform API and native modules in React Native. Use when platform branching or native-module integration is the primary task; defer cross-platform feature implementation such as push notifications.

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Push notifications for React Native using Firebase or Expo Notifications. Use when integrating push notifications with Firebase or Expo in React Native.

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Configure stack navigation, type-safe routes, deep linking, and URL-based routing with React Navigation in React Native. Use for React Navigation route configuration; defer unrelated performance, notification, build, and styling work.

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Configure React Navigation 6+ stacks, tabs, and deep linking for React Native. Use when implementing React Navigation stacks, tabs, or deep linking in React Native.

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