Agent Claude Code
Use to make prose, instructions, skills or documentation more concise without losing meaning or signal. Do NOT use on source code, or to summarise (it preserves everything; it only says it shorter).
Agent Claude Code
Fresh-context critical review of recent changes (code, documentation, plans, or designs). Read-only. Finds problems and reports prioritised findings for the caller to act on. Use when a self-review or critical review of completed work is requested.
Agent Claude Code
Read-only web research that retrieves facts already published on a page and returns each with its source link. Two shapes: a single factual question ("what/which/when/how much/is X still..."), or a specified list of items to fill in - pricing tables, quotas, limits, version matrices - where every figure must come from…
Agent Claude Code
Implementation research on a specific named software library, framework, package, SDK, CLI, or API: usage, current best practices, version/compatibility facts, and source-traced code. Use for "how do I implement X" or "which package for Y". Not for general web research, market comparison, conceptual explainers, or…
Agent Claude Code
Use when you suspect the current approach is over-engineered, over-abstracted, or solving an imagined problem rather than the real one. Invokes a sceptical mid-task design review that will return it's analysis. Read-only - won't make changes.
Command Claude Code
Ask the agent to prepare for conversation compaction by updating any relevant state and providing guidance for the compaction agent and to kick off the session there after.
Skill Claude Code
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 Code
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 Code
Restate the last message concisely, in plain human language, with no jargon.
Skill Claude CodeCodex
Use when the user asks for a code review of a change, branch or PR.
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 Code
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 Code
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 Code
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".
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: