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README quality standards for engaging, accessible, scannable content including problem-solution hooks, plain language (no unexplained jargon), acronym context, paragraph limits (≤5 lines), benefits-focused language, visual hierarchy, and progressive disclosure. Essential for creating effective README files that welcome and guide users.

Guidelines for generating validation/audit reports with UUID chains, progressive writing, and UTC+7 timestamps

This skill generates interactive Chart.js bubble chart visualizations for priority matrices and multi-dimensional data analysis. Use this skill when users need to create scatter plots with variable bubble sizes, particularly for 2x2 priority matrices (Impact vs Effort, Risk vs Value, etc.), portfolio analysis, or any visualization comparing items across two dimensions with a third dimension represented by size. The skill creates a complete MicroSim package with HTML, CSS, and documentation.

Generate OpenAPI/Swagger documentation with request/response schemas

Extracts and organizes MQL5 articles and documentation. Use when researching MQL5 features, MetaTrader API documentation, Python MT5 integration, or algorithmic trading resources.

Comprehensive guide for creating by-example tutorials - code-first learning path with 75-90 heavily annotated examples achieving 95% language coverage. Covers five-part example structure, annotation density standards (1-2.25 comments per code line PER EXAMPLE), self-containment rules, and multiple code blocks for comparisons. Essential for creating by-example tutorials for programming languages on educational platforms

Use this skill when creating new Claude Code skills from scratch, editing existing skills to improve their descriptions or structure, or converting Claude Code sub-agents to skills. This includes designing skill workflows, writing SKILL.md files, organizing supporting files with intention-revealing names, and leveraging CLI tools and Node.js scripting.

Network utility for reading and writing data across TCP/UDP connections, port scanning, file transfers, and backdoor communication channels. Use when: (1) Testing network connectivity and port availability, (2) Creating reverse shells and bind shells for authorized penetration testing, (3) Transferring files between systems in restricted environments, (4) Banner grabbing and service enumeration, (5) Establishing covert communication channels, (6) Testing firewall rules and network segmentation.

WCAG-compliant Mermaid diagrams using verified accessible color palette. Use when creating diagrams, flowcharts, or any color-dependent visualizations requiring accessibility compliance for color blindness.

Router for documentation tasks - routes to ADRs, APIs, runbooks, security docs, or governance docs

Use when designing system architecture, APIs, components, or data models - provides a structured design workflow with validation and documentation outputs.

Generate comprehensive, publication-quality technical manuals with thematic storytelling using multi-agent orchestration. Use when user asks for themed documentation, narrative technical guides, memorable training materials, or mentions themes like Victorian, steampunk, art deco, medieval, or nautical combined with technical topics. Triggers on phrases like "create themed manual", "documentation with storytelling", or requests to make docs "more engaging" or "memorable".

Type-safe API development with Hono framework. Covers route chaining for type inference, factory patterns, Zod OpenAPI integration, error handling, RPC client, and testing patterns. Use when building APIs with Hono, using hc client, or when Hono, RPC, OpenAPI, or --hono flag mentioned.

Challenges over-engineering and identifies unnecessary complexity before implementation. Use when planning features, designing architecture, choosing frameworks, evaluating patterns, or when complexity, overengineering, simpler alternatives, `--complexity-analysis`, or `--keep-it-simple` are mentioned. Helps teams avoid technical debt by validating that complexity is justified.

Generates Jest or Pytest tests following Ben's testing standards. Use when creating tests, adding test coverage, writing unit tests, mocking dependencies, or when user mentions testing, test cases, Jest, Pytest, fixtures, assertions, or coverage.

This skill should be used when the user requests to research topics using FireCrawl, enrich notes with web sources, search and scrape information, or write scientific/academic papers. It extracts research topics from markdown files, creates research documents with scraped sources, generates BibTeX bibliographies from research results, and provides Pandoc/MyST templates for academic writing with citation management.

This skill is for writing integrations to the Ruby SDK. Claude acts as the engineer implementing LLM provider or agentic framework integrations. Use when adding support for OpenAI-like providers, Anthropic-like providers, or agent frameworks. Covers TDD workflow, comprehensive testing (streaming/non-streaming/tokens/multimodal), defensive coding, MCP validation, and StandardRB compliance.

Token-efficient markdown parsing, editing, and diagram generation using native CLI tools (Windows/Mac/Linux compatible)

Elixir and Phoenix development guidelines with critical language-specific gotchas. Use when writing Elixir code, Phoenix applications, or Mix tasks. Prevents common mistakes with list access, variable rebinding, struct access, and OTP patterns that cause subtle bugs or compilation errors.

Generate technical design documents with proper structure, diagrams, and implementation details. Default language is English unless user requests Chinese.