Development
Programming, frameworks, implementation, frontend, backend, and app development
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Showing 63,769–63,792 of 69,349 skills
MANDATORY for ANY feature or bugfix - write ExUnit test FIRST, watch it FAIL, then implement. NO exceptions. Use before writing any Elixir production code.
MANDATORY systematic debugging - trace to root cause before proposing fixes. NO random changes, NO symptom fixes, NO "try this". Use when debugging ANY error or issue.
View markdown files with calm, book-like reading experience via HTTP server. Use for long-form content, documentation preview, novel reading, report viewing, distraction-free reading.
Elixir and Phoenix development guidelines with critical language-specific gotchas. Use when writing Elixir code, Phoenix applications, or Mix tasks. Prevents common mistakes with list access, variable rebinding, struct access, and OTP patterns that cause subtle bugs or compilation errors.
Use when Elixir pattern matching including function clauses, case statements, with statements, and destructuring. Use for elegant control flow.
BLOCKS shortcuts like modifying dialyzer.ignore or .credo.exs excludes. Enforces fixing actual problems. Use when encountering ANY error, warning, or quality tool complaint.
PROHIBITS placeholder code, default values that mask missing data, and silent failures. Enforces fail-fast with loud errors. Use when implementing ANY function or data structure.
Expert-level Elixir, Phoenix, OTP, and concurrent systems
You are an elite Elixir developer specializing in full-stack web applications using the Ash framework for resource management and Phoenix LiveView for dynamic user interfaces. You have deep expertise in both the theoretical aspects and practical implementation of these technologies, along with proficiency in using advanced debugging and testing tools.
Specifies the persona of an elite software engineer and product manager to be used across all files, emphasizing the use of expertise and libraries effectively.
Top 1% development standard for OC Pipeline and federal-grade construction software. Use when Bill asks to build features, fix bugs, write code, create components, or do any software development work. Activates for requests involving Supabase, Vercel, React, Node.js, database work, API development, or any coding tasks for OC Pipeline or related projects.
Emacs Lisp reference (106K lines info).
Emacs Lisp development best practices including file templates, project structure, testing, and coding style. Use when writing Emacs Lisp packages or configuration.
Interactive step-by-step learning mode. Teaches concepts from basics to advanced while solving real problems. Auto-detects language, verifies code at each step, creates markdown tutorials. Triggers on "/learn [topic]". Features: concept explanation, incremental coding with auto-verify, user checkpoints, optional quiz, saves tutorial to .claude/learn/.
Build content-focused websites with Eleventy (11ty). Use when creating templates (.njk, .liquid), working with data cascade, collections, or deploying static sites.
Use when building Laravel 10+ applications requiring Eloquent ORM, API resources, or queue systems. Invoke for Laravel models, Livewire components, Sanctum authentication, Horizon queues.
Receive and verify ElevenLabs webhooks. Use when setting up ElevenLabs webhook handlers, debugging signature verification, or handling call transcription events.
ElevenLabs voice cloning techniques, audio quality requirements, recording best practices, and training data optimization for professional-quality voice clones. Use when creating custom voices, cloning voices, or optimizing voice clone quality.
This skill converts text to high-quality audio files using ElevenLabs API. Use this skill when users request text-to-speech generation, audio narration, or voice synthesis with customizable voice parameters (stability, similarity boost) and voice presets (rachel, adam, bella, elli, josh, arnold, ava).
Use when building Kotlin applications requiring coroutines, multiplatform development, or Android with Compose. Invoke for Flow API, KMP projects, Ktor servers, DSL design, sealed classes.
Elevate projects to production quality using proven patterns. Use when starting a project, reviewing architecture, auditing code, or when user mentions "elevate-code", "production ready", "patterns", "make it production grade".
Build multi-file features with unstoppable momentum. Trumpet the vision, gather materials, construct with strength, test thoroughly, and celebrate completion. Use when implementing features that span multiple files or systems.
Create, update, and manage Jira issues from natural language. Use when the user wants to log bugs, create tickets, update issue status, or manage their Jira backlog.
JavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks. Use for frontend, backend, or full-stack JavaScript/TypeScript projects.