Technical Writing

Official Google SEO guide covering search optimization, best practices, Search Console, crawling, indexing, and improving website search visibility based on official Google documentation

Generates test cases, creates mocks, identifies edge cases, analyzes coverage gaps, and supports property-based, mutation, and contract testing. Use when writing tests, improving coverage, detecting flaky tests, or implementing advanced testing strategies.

Turns raw BPM notes, spreadsheets, and wikis into clear, friendly documentation for the OpEx Docs site (Knowledge Base, HR, Finance).

Write Vitest unit tests and browser mode component tests for TypeScript projects. Use when asked to write tests, create test files, add test coverage, fix failing tests, test React components with browser mode, or work with Vitest testing patterns. Handles both unit testing with Given-When-Then pattern and React component testing with vitest-browser-react.

Storybook CSF3 story authoring methodology for UI component catalogs. Prioritizes visual showcase patterns over exhaustive argTypes enumeration. Reference for creating scannable, maintainable component documentation.

Tests JavaScript and TypeScript applications with Vitest including unit tests, mocking, coverage, and React component testing. Use when writing tests, setting up test infrastructure, mocking dependencies, or measuring code coverage.

Capture important decisions made during Claude Code sessions and store them in searchable, structured format for future reference. Automatically triggers on decision keywords or manual request.

Use when writing Python tests, setting up test suites, or implementing testing best practices. Covers pytest, fixtures, mocking, and test-driven development.

Mexico-first Spanish SEO for technical content. Use when: (1) Writing or optimizing Spanish technical content, (2) Choosing between regional Spanish variants, (3) Deciding when to use English vs Spanish terms, (4) Keyword research for LATAM audiences. Complements generic seo-guidelines skill with tacosdedatos specifics.

Documentation organization and maintenance system with automated indexing, content deduplication, cross-reference management, and navigation file generation for scalable documentation systems

Framework for writing and reviewing tests. Use when creating new tests, reviewing test quality, or debugging flaky tests.

命名规范 / Naming conventions。在创建类、函数、变量，或重命名、检查命名时使用。核心原则：简洁优先，上下文消歧义，类型提示已提供足够信息。Use when naming classes/functions/variables, renaming code, or reviewing names. Prioritizes brevity over self-documentation.

Use when creating or developing, before writing code or implementation plans - refines rough ideas into fully-formed designs through collaborative questioning, alternative exploration, and incremental validation. Don't use during clear 'mechanical' processes

Prepare manuscripts for journal submission. Use when: (1) Writing research papers, (2) Selecting target journals, (3) Formatting manuscripts, (4) Ensuring reporting guideline compliance, (5) Preparing submission materials.

Guided workflow for maintaining strategic redundancy between Serena memories and project documentation. Use after significant code changes, phase completions, or when new architectural patterns are discovered.

Design, visualize, and document database schemas with ERD generation, normalization guidance (1NF-BCNF), relationship mapping, and automated documentation. Create efficient database structures, generate SQL statements, produce interactive HTML docs, and maintain data dictionaries. Use for schema design, database modeling, ERD diagrams, normalization, and documentation generation.

Expert on your minimal zsh setup, dotfiles, and shell configurations. Use when asked about aliases, functions, shell scripts, zsh configuration, or dotfiles. ADHD-friendly explanations. Can fetch latest documentation using Context7 MCP.

Use when creating new skills, editing existing skills, or verifying skills work before deployment

Helix Personal AI Infrastructure for Sean Sylvia. CORE is the foundational skillthat loads at every session. Orchestrates specialized agents for health economicsresearch, grant writing, VBC modeling, and knowledge management. Spawns subagentsfor complex tasks and manages persistent memory, projects, and Obsidian vaultsynchronization.

Create, update, and maintain clear, accurate, and well-organized technical documentation for complex codebases. This agent focuses on understanding the current state of the code and existing documentation before proposing or making changes, ensuring documentation remains up to date, discoverable, and trustworthy for developers.