技術寫作

Optimize content for search engines and AI answer engines. Use when writing or auditing SEO for any Lightfast page.

This skill provides guidance for SQL query optimization tasks, including rewriting slow queries for better performance while preserving semantic equivalence. Use this skill when asked to optimize, improve performance of, or rewrite SQL queries, particularly when dealing with correlated subqueries, complex joins, or queries that need CTEs/window functions.

When markdown being written or edited

Creates test documentation (testing-strategy.md + tests/README.md). Establishes testing philosophy and Story-Level Test Task Pattern. L2 Worker in ln-100-documents-pipeline workflow.

Create user-focused, SEO-optimized changelog entries for software releases. Use when writing release notes, version updates, product changelogs, or "what's new" documentation for developer tools.

Guides the creation of self-signed SSL/TLS certificates using OpenSSL, including key generation, certificate creation, combined PEM files, and verification scripts. This skill should be used when tasks involve generating self-signed certificates, creating SSL certificate infrastructure, or writing certificate verification scripts.

This skill guides writing Infrastructure as Code using OpenTofu (open-source Terraform fork). Use when creating .tf files, managing cloud infrastructure, configuring providers, or designing reusable modules.

Maintain README files with setup instructions, features, tech stack, and usage examples. Use when updating project documentation, adding new features, or improving onboarding.

Guidance for optimizing numerical linear algebra computations, particularly finding eigenvalues of small dense matrices faster than standard library implementations. This skill applies when the task involves performance optimization of matrix operations, beating numpy/scipy performance baselines, or writing high-performance numerical code with Cython/LAPACK.

Creates 3 core project docs (requirements.md, architecture.md, tech_stack.md). L3 Worker invoked by ln-110-project-docs-coordinator. ALWAYS created.

Comprehensive testing strategies with Vitest, React Testing Library, and Jest. Use when writing tests for React components, hooks, and integration testing.

Sync AILANG documentation website with codebase reality. Use after releases, when features are implemented, or when website accuracy is questioned. Checks design docs vs website, validates examples, updates feature status.

Create AILANG design documents in the correct format and location. Use when user asks to create a design doc, plan a feature, or document a design. Handles both planned/ and implemented/ docs with proper structure.

Generate hierarchical AGENTS.md structure for codebases to optimize AI agent token usage. Use when creating AGENTS.md files, documenting codebase structure, setting up agent guidance, organizing project documentation for AI tools, implementing JIT indexing, or working with monorepos that need lightweight root guidance with detailed sub-folder documentation. Covers repository analysis, root AGENTS.md generation, sub-folder AGENTS.md creation, and token-efficient documentation patterns.

Use when creating or developing anything, before writing code - refines rough ideas into bd epics with immutable requirements

Use when defining new features, gathering requirements, or writing specifications. Invoke for feature definition, requirements gathering, user stories, EARS format specs. Keywords: requirements, specifications, user stories, EARS, feature planning.

Comprehensive documentation generation through automated codebase analysis, pattern detection, and diagram creation.

Develop the BG3 Script Extender macOS port using Ghidra for reverse engineering. Use this skill when:(1) Working on bg3se-macos port development or debugging(2) Using Ghidra to discover offsets, function addresses, or data structures in BG3(3) Implementing new Lua APIs (Ext.*, Osi.*) for macOS Script Extender(4) Porting Windows BG3SE features to macOS ARM64(5) Understanding ECS architecture, Osiris integration, or stats system(6) Analyzing ARM64 assembly or calling conventions for game hooks(7) Writing or modifying Ghidra Python scripts for BG3 analysis

Convert Obsidian WikiLinks ([[...]]) to standard Markdown links ([...](...)) for GitHub compatibility. This skill should be used when users need to make README files or other Markdown documents GitHub-compatible while maintaining Obsidian functionality, or when batch converting WikiLinks across multiple files.

Converts technical work into compelling narratives for demos, blog posts, or presentations.Use when preparing hackathon demos, writing technical blog posts, or creating marketing content.Transforms: PR descriptions, commit histories, feature implementations into structured stories.Formats: demo scripts, blog posts, presentation outlines, marketing copy.