Voice and tone rules for all written content. Use when writing prose that should sound human and be suitable for reading aloud.

Write documentation following Metabase's conversational, clear, and user-focused style. Use when creating or editing documentation files (markdown, MDX, etc.).

Write a clear, decision-ready PRD (and optionally a PR/FAQ, AI eval spec, and prompt set) for cross-functional alignment.

Create a build-ready spec + design doc pack (low-fi diagram, user flows/states, prototype brief, acceptance criteria) for a feature or UX change. Use for spec, design doc, feature spec, technical...

Guide Clojure and ClojureScript development using REPL-driven workflow, coding conventions, and best practices. Use when writing, developing, or refactoring Clojure/ClojureScript code.

Writing pull request titles and descriptions for the tldraw repository. Use when creating a new PR, updating an existing PR's title or body, or when the /pr command needs PR content guidance.

Expert technical advisor with deep reasoning for architecture decisions, code analysis, and engineering guidance. Masters complex tradeoffs, system design, security architecture, performance...

Write formal laws and covenants for codebases using proper legal-style structure. Use when establishing inviolable standards, architectural constraints, or domain-specific rules that must be...

Guides creation and editing of SKILL.md files following Anthropic best practices and this repo's conventions. Use when creating a new skill, editing an existing skill, porting a skill from another...

Create engaging Substack Notes that build community and grow subscribers. Use this skill when asked to write Substack Notes, short-form content for Substack, or help with Substack growth strategy....

Writing and maintaining GitHub issues for the tldraw repository. Use when creating new issues, editing issue titles/bodies, triaging issues, or cleaning up issue metadata (types, labels).

Write TypeScript and JavaScript code following Metabase coding standards and best practices. Use when developing or refactoring TypeScript/JavaScript code.

Idiomatic Python 3.14+ development. Use when writing Python code, CLI tools, scripts, or services. Emphasizes stdlib, type hints, uv/ruff toolchain, and minimal dependencies.

Idiomatic TypeScript development. Use when writing TypeScript code, Node.js services, React apps, or discussing TS patterns. Emphasizes strict typing, composition, and modern tooling (bun/vite).

Idiomatic Go 1.25+ development. Use when writing Go code, designing APIs, discussing Go patterns, or reviewing Go implementations. Emphasizes stdlib, concrete types, simple error handling, and...

Use when symfony writing plans

Create technical design documents for new features, systems, refactoring plans, API designs, and database schemas. Use when asked to write a design doc, TRD (technical requirements document), RFC,...

How to write a Claude Code skill

Create comprehensive technical roadmaps aligned with business goals. Plan technology investments, architecture evolution, and infrastructure improvements over quarters and years.

Guide for writing skills that wrap CLI tools. Use when creating a new CLI skill. For review, run through the Checklist section.