Skill Claude CodeCodex
Set up an AI-driven changelog system in any project, code or not. Suitable for both software projects and for non-code projects. Creates a CHANGELOG.md and instructions for agents to log changes. Use when the user wants to add or improve automated changelog management, AI-friendly changelog workflows, version…
Skill Claude CodeCodex
Reverse-engineer an application, website or document's design system from its codebase and screenshots. Use when asked to analyse visual design, extract a colour palette, document UI patterns, identify typography and spacing systems, audit design consistency, or understand the design language of a frontend codebase.
Skill Claude CodeCodex
Provides guidelines for applying Mantel's brand styles to diagrams and frontend components. Use when asked to create visuals that need to align with Mantel's branding.
Skill Claude CodeCodex
Creating and maintaining CLAUDE.md project memory files and .claude/rules/ rule files that provide non-obvious codebase context. Use when (1) creating a new CLAUDE.md for a project, (2) adding architectural patterns or design decisions to existing CLAUDE.md, (3) capturing project-specific conventions that aren't…
Skill Claude CodeCodex
Capture single backlog items, or list and triage an existing project backlog. Use this skill whenever the user wants to file a bug, feature request, or backlog item without writing a full PRD, including casual requests mid-conversation like "create an issue for that", "add this to the backlog", or "file a quick bug…
Skill Claude CodeCodex
Restate the last message concisely, in plain human language, with no jargon.
Skill Claude CodeCodex
Use this skill after completing multiple, complex software development tasks before informing the user that work is complete.
Skill Claude CodeCodex
Use this skill when you need to review and refactor code to make it simpler, more maintainable, and easier to understand. Helps with identifying overly complex solutions, unnecessary abstractions.
Skill Claude CodeCodex
Creates structured development plans with phased task breakdowns, requirements, and QA checklists. Use when the user explicitly asks to create a dev plan, development plan, or document development requirements.
Skill Claude CodeCodex
Critically analyse the reasoning in written content (articles, blogs, transcripts, reports), not code. Use only when explicitly asked to critically analyse or critique an argument.
Skill Claude CodeCodex
Delays execution of a task until a specified time or after a duration. Use when the user asks to run something later, in X minutes/hours, at a specific time, schedule a command, or defer work to a future point.
Skill Claude CodeCodex
Use when asked to create or update Excalidraw diagrams. Provides guidance on Excalidraw best practices.
Skill Claude CodeCodex
Extract wisdom, insights, and actionable takeaways from YouTube videos, blog posts, articles, or text files. Use when asked to extract wisdom or key insights from a given content source.
Skill Claude CodeCodex
Retrieves up-to-date documentation, API references, and code examples for any developer technology. Use this skill whenever the user asks about, or when you need to lookup documentation or usage reference a specific library, framework, SDK, CLI tool, or cloud service - even if well-known as your training data may be…
Skill Claude CodeCodex
Use when creating, editing or debugging Ghostty terminal configuration - config.ghostty files, config option names and their valid values, keybinds and key sequences, themes, fonts, shell integration, or ghostty + CLI actions. Covers macOS and Linux/GTK differences.
Skill Claude CodeCodex
You MUST always activate this github skill whenever working with GitHub in any capacity, including but not limited to gh cli, API, Actions, issues, PRs and other routine Github interactions.
Skill Claude CodeCodex
You MUST activate this skill when working on Go projects.
Skill Claude CodeCodex
Use for any question about a codebase, its architecture, file relationships, or project content — especially when graphify-out/ exists, where the question should be treated as a graphify query first. Turns any input (code, docs, papers, images, videos) into a persistent knowledge graph with god nodes, community…
Skill Claude CodeCodex
Interview the user relentlessly about a plan, decision, or idea until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test their thinking, get grilled on a plan or design, or mentions "grill me".
Skill Claude CodeCodex
A pattern for adding a self-narrating (typed out) guided walkthrough to any HTML/web application. Use this skill whenever the user wants to add a guided demo, auto-narration, self-running presentation, or step-by-step tour to an HTML page, web app, prototype, HTML slide deck, dashboard, or data story.
Skill Claude CodeCodex
Create a handoff document for the current conversation, ready for another agent to pick up.
Skill Claude CodeCodex
Provides guidance and tools for hardware design. Activate when using KiCAD, looking up electronic parts or designing PCBs.
Skill Claude CodeCodex
This skill should be used when helping with Home Assistant setup, including creating automations, modifying dashboards, checking entity states, debugging automations, and managing the smart home configuration. Use this for queries about HA entities, YAML automation/dashboard generation, or troubleshooting HA issues.
Skill Claude CodeCodex
Reference gallery of polished single-file HTML artifacts demonstrating effective ways to communicate ideas through HTML. Use when the user wants to explain, showcase, demo, plan, review, or present an idea within an HTML file.