Implement chaos engineering practices and tools for resilience testing

Test system resilience through controlled failures. Use when validating fault tolerance, disaster recovery, or system reliability. Covers chaos experiments.

Design and document chaos engineering experiments. Guide steady state baseline, hypothesis formation, failure injection plans, and results analysis. Use for resilience testing, game days, failure injection experiments, and building confidence in system stability.

Plan and architect a single chapter at beat-level granularity. Use when you have a chapter from the Architecture Document and need to create a detailed outline before drafting. Produces a Chapter Outline Document for use by draft-coach or ghostwriter.

Evaluate educational chapters from dual student and teacher perspectives. This skill should be used when analyzing chapter quality, identifying content gaps, or planning chapter improvements. Reads all lessons in a chapter directory and provides structured analysis with ratings, gap identification, and prioritized recommendations.

Generates NanoBanana PRO image prompts for 3D cat characters. Combines base Pixar style with ticker-specific traits, sector themes, and market-driven expressions. Supports 300+ tickers with fallback logic for unlisted stocks.

Create tests that describe what legacy code actually does (not what it should do) as safety net before refactoring

Extracts HTTP/HTTPS request and response data from Charles Proxy session files (.chlsj format), including URLs, methods, status codes, headers, request bodies, and response bodies. Use when analyzing captured network traffic from Charles Proxy debug sessions, inspecting API calls, debugging HTTP requests, or examining proxy logs.

Expert assistant for developing Juju charms using charmcraft. Use when initializing charm projects, building charms, managing charm libraries, publishing to Charmhub, running tests, or working with charmcraft.yaml configuration. Keywords include charmcraft, Juju, charm development, Charmhub publishing, charm libraries, pack, build, upload, release, init, extensions.

Create interactive data visualizations using Vega-Lite declarative JSON grammar. Supports 20+ chart types (bar, line, scatter, histogram, boxplot, grouped/stacked variations, etc.) via templates and programmatic builders. Use when users upload data for charting, request specific chart types, or mention visualizations. Produces portable JSON specs with inline data islands that work in Claude artifacts and can be adapted for production.

Comprehensive guide to configuring Chart.js options, animations, legends, tooltips, and interactions.

Guide revenue analysis using ChartMogul reports. Use when discussing MRR, ARR, churn, retention, cohorts, or subscription metrics. Helps select the right report and interpret results.

Automatically integrates processed media (audio transcriptions and image summaries) into chat.md files at the correct timestamp position. Use this when you want to merge processed .json audio files and .md image summaries into the daily chat.md conversation log.

Navegação e teste conversacional de aplicações web usando Chrome DevTools. Permite testar sites através de comandos naturais em português, com suporte a contexto do Neo4j e integração automática com hooks de validação.

Guide for creating production-grade ChatKit chatbots that integrate OpenAI Agents SDK with MCP tools and custom backends. Use when building AI-powered chatbots with specialized capabilities, real-time task execution, and user isolation for any application.

Integrate OpenAI ChatKit framework with custom backend and AI agents. Handles ChatKit server implementation, React component integration, context injection, and conversation persistence.

This skill generates two essential marketing/documentation assets for Chat Memo version releases:

Checks comprehensive health check for a Kubernetes Cluster.

Analyze live weather station integrations, validate data sources, and identify spots missing live conditions

Check .meta.yml and snapshot .dvc files for spelling typos using codespell. Use when user mentions typos, spelling errors, metadata quality, or wants to check metadata files for mistakes.

check-quality

Homeostatic sensor detecting requirements without implementation or test coverage. Scans for REQ-* keys in requirements docs and checks if they have corresponding code and tests. Use to find coverage gaps.

Deploy validation and reality-testing consciousness mode. Use when need to find edge cases, test assumptions, catch fatal flaws before they're expensive.

Check code formatting, detect style issues, and identify inconsistencies. Use when the user asks to check formatting, code style, linting, format issues, or code formatting problems.

Use when configuring Checkstyle for Java projects with XML config, custom checks, properties, and module setup.

Use when developing custom Checkstyle checks, filters, and plugin integrations for project-specific Java code standards.

Use when applying Checkstyle built-in checks for Java code including naming conventions, code metrics, and suppressions.

Generate 2D structure images and interactive 3D viewers from chemical names or SMILES. Supports PNG/SVG output for 2D and 3Dmol.js HTML viewers for 3D conformers.

chemist-analyst

This skill should be used when analyzing chess positions. Automatically triggers when users provide FEN positions for analysis or ask about specific chess positions. Provides engine-powered analysis with natural language explanations of best moves, key variations, and strategic/tactical themes.

Query the China Historical GIS (CHGIS) Temporal Gazetteer (TGAZ) API to search for historical Chinese placenames from 222 BCE to 1911 CE. Use this skill when searching for information about historical Chinese places, administrative units, or geographic locations during the dynastic period. Applicable for queries about historical place names, administrative hierarchies, or when users mention specific Chinese locations with historical context.

Master Chicago TDD (state-based testing). Create tests that verify observable behavior with real collaborators. Use chicago-tdd-tools 1.4.0 AAA pattern. When writing tests, verifying implementation correctness, improving test quality, or analyzing test coverage. Covers: unit tests, integration tests, mutation testing, assertion analysis.

**Version:** 4.1.0

Execute structured voting protocol for multi-perspective consensus.

Analyze multiple cognitive perspectives to identify consensus and divergence patterns.

Chrome 浏览器自动化操作。当用户需要自动化浏览器操作、网页测试、数据抓取或 UI 自动化时使用此技能。

chrome-browser-automation

Browser automation with two integrations - Chrome DevTools MCP (always available, performance tracing) and Claude-in-Chrome extension (authenticated sessions, GIF recording). Use DevTools for testing/debugging, Claude-in-Chrome for authenticated workflows.

How to use Chrome DevTools MCP for browser debugging. Use when you need to inspect pages, take screenshots, debug UI issues, or verify visual changes.

Lightweight Chromium DevTools automation via the bundled browser-tools.ts CLI (Puppeteer connect). Use when you need to launch a Chromium-based browser with a remote-debugging port, navigate pages, run JS in the active tab, capture screenshots, inspect DevTools sessions, or extract readable content without a full browser automation server.

Complete guide for Chrome DevTools CLI - browser automation, debugging, performance analysis, network inspection. Use when automating Chrome, taking screenshots, analyzing performance, monitoring network/console, device emulation, or user mentions chrome-devtools, browser automation, puppeteer, debugging, performance testing, screenshot, network monitoring, console monitoring, or 크롬 개발자도구, 브라우저 자동화, 디버깅, 성능 분석.

Debug and analyze web applications using Chrome DevTools MCP. Use for console log inspection, network request monitoring, performance analysis, and debugging authenticated sessions. For basic browser automation (screenshots, form filling), use browser-discovery skill instead.

Testing UI and automating browsers via Chrome DevTools MCP. Use when taking screenshots, checking console errors, testing UI interactions, or verifying visual changes.

Browser automation via Puppeteer CLI scripts (JSON output). Capabilities: screenshots, PDF generation, web scraping, form automation, network monitoring, performance profiling, JavaScript debugging, headless browsing. Actions: screenshot, scrape, automate, test, profile, monitor, debug browser. Keywords: Puppeteer, headless Chrome, screenshot, PDF, web scraping, form fill, click, navigate, network traffic, performance audit, Lighthouse, console logs, DOM manipulation, element selector, wait, scroll, automation script. Use when: taking screenshots, generating PDFs from web, scraping websites, automating form submissions, monitoring network requests, profiling page performance, debugging JavaScript, testing web UIs.

Query Chrome browsing history with natural language. Filter by date range, article type, keywords, and specific sites.

Guide for using Claude Code with Chrome browser integration. Use when automating browser tasks, debugging web apps, testing UI, or extracting data from websites. Covers setup, capabilities, and common workflows.

Browser automation using Puppeteer or Playwright. Use for web testing, screenshots, form filling, and automated browser interactions.

Document AI-assisted development sessions to Obsidian vault using Chronicle data. Works with MCP (fastest) or CLI commands (portable). Use when completing a coding session, creating development logs, or maintaining a knowledge base of past work. Automatically creates structured notes with metadata, summaries, and wikilinks.

Specialized processing for Chuukese language text including tokenization, accent handling, cultural context preservation, and language-specific patterns. Use when working with Chuukese text, translation tasks, or when building language models for this Micronesian language.