replacing-text
Provides intuitive find & replace CLI with JavaScript regex and string-literal mode. Use this skill when performing text replacements, batch transformations, or need JavaScript-style regex syntax
searching-text
Performs fast text search with one-shot patterns that minimize iterations by getting files, lines, and context in a single call. Use this skill when searching for text patterns, finding specific code locations, or getting context around matches
querying-json
Extracts specific fields from JSON files efficiently using jq instead of reading entire files, saving 80-95% context. Use this skill when querying JSON files, filtering/transforming data, or getting specific field(s) from large JSON files
argentic-framework-development
Expert knowledge for building AI agents with Argentic - a Python microframework for async MQTT-based agents with multi-LLM support, custom tools, and multi-agent orchestration
hook-optimization
Provides guidance on optimizing CCPM hooks for performance and token efficiency. Auto-activates when developing, debugging, or benchmarking hooks. Includes caching strategies, token budgets, performance benchmarking, and best practices for maintaining sub-5-second hook execution times.
web-projects
Guidelines for web development projects using JavaScript/TypeScript frameworks. Activate when working with web projects, package.json, npm/yarn/pnpm, React, Next.js, Vue, Angular, Svelte, or other web frameworks, frontend components, or Node.js applications.
cli-development
Best practices for building CLI applications across languages. Covers CLI design principles (Unix philosophy, command structure, subcommands vs flags), argument parsing (required/optional args, flags, environment variables, config files, precedence), user interface (help text, version info, progress indicators, color output, interactive prompts), output formatting (human-readable vs machine-readable JSON/YAML, exit codes), error handling (clear messages, suggestions, debug mode), cross-platform considerations (paths, line endings, terminal capabilities), testing strategies (integration tests, output verification, exit codes), documentation (README, man pages, built-in help), and language-specific libraries. Activate when working with CLI applications, command-line tools, argument parsing, CLI utilities, argument handling, commands, subcommands, CLI frameworks, or building command-line interfaces.
logging-observability
Guidelines for structured logging, distributed tracing, and debugging patterns across languages. Covers logging best practices, observability, security considerations, and performance analysis.
codex
Execute Codex CLI for code generation, analysis, web search and web fetch. Two capabilities - (1) Code Generation with deep reasoning, (2) Web Search & Fetch for online research.
realitykit-visionos-developer
Build, debug, and optimize RealityKit scenes for visionOS, including entity/component setup, rendering, animation, physics, audio, input, attachments, and custom systems. Use when implementing RealityKit features or troubleshooting ECS behavior on visionOS.
arkit-visionos-developer
Build and debug ARKit features for visionOS, including ARKitSession setup, authorization, data providers (world tracking, plane detection, scene reconstruction, hand tracking), anchor processing, and RealityKit integration. Use when implementing ARKit workflows in immersive spaces or troubleshooting ARKit data access and provider behavior on visionOS.
ksrc
CLI for searching/reading Kotlin dependency sources from a Gradle project. Use when you need to locate/inspect 3rd-party Gradle libraries.
package-npm-nix
Package npm/TypeScript/Bun CLI tools for Nix. Use when creating Nix derivations for JavaScript/TypeScript tools from npm registry or GitHub sources, handling pre-built packages or source builds with dependency management.
nushell-usage
Essential patterns, idioms, and gotchas for writing Nushell code. Use when writing Nushell scripts, functions, or working with Nushell's type system, pipelines, and data structures. Complements plugin development knowledge with practical usage patterns.
working-with-jj
Expert guidance for using JJ (Jujutsu) version control system. Use when working with JJ, whatever the subject. Operations, revsets, templates, debugging change evolution, etc. Covers JJ commands, template system, evolog, operations log, and interoperability with git remotes.
haskell
Expert Haskell development assistance. Use when working with Haskell code, .hs files, Cabal, ghcid, or when user mentions Haskell, functional programming, or type-level programming.
nix
Expert Nix development assistance. Use when working with Nix code, .nix files, flakes, NixOS configuration, or when user mentions Nix, flake-parts, nixpkgs.
react-server-components-framework
Design and implement React Server Components with Next.js 15 App Router. Master server-first architecture, streaming SSR, Server Actions, and modern data fetching patterns for 2025+ frontend development.
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