devtools
This skill helps launch and configure the Chrome DevTools MCP server, giving Claude visual access to a live browser for debugging and automation. Use when the user asks to set up browser debugging, launch Chrome with DevTools, configure chrome-devtools-mcp, see what my app looks like, take screenshots of my web application, check the browser console, debug console errors, inspect network requests, analyse API responses, measure Core Web Vitals or page performance, run a Lighthouse audit, test button clicks or form submissions, automate browser interactions, fill out forms programmatically, simulate user actions, emulate mobile devices or slow networks, capture DOM snapshots, execute JavaScript in the browser, or troubleshoot Chrome DevTools MCP connection issues. Supports Windows, Linux, and WSL2 environments.
fifteen-factor-app
The Fifteen-Factor App methodology for modern cloud-native SaaS applications. This skill should be automatically invoked when planning SaaS tools, product software architecture, microservices design, PRPs/PRDs, or cloud-native application development. Extends the original Twelve-Factor App principles with three additional factors (API First, Telemetry, Security). Trigger keywords include "fifteen factor", "12 factor", "SaaS architecture", "cloud-native design", "application architecture", "microservices best practices", or when in a planning/architecture session.
git-commit-helper
Generate descriptive commit messages by analyzing git diffs. Use when the user asks for help writing commit messages or reviewing staged changes.
prp-generator
Generate comprehensive Product Requirement Plans (PRPs) for feature implementation with thorough codebase analysis and external research. Use when the user requests a PRP, PRD, or detailed implementation plan for a new feature. Conducts systematic research, identifies patterns, and creates executable validation gates for one-pass implementation success.
webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behaviour, capturing browser screenshots, and viewing browser logs.
docx
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. Use when working with professional documents (.docx files) for creating new documents, modifying or editing content, working with tracked changes, adding comments, or any other document tasks.
PDF Processing Pro
Production-ready PDF processing with forms, tables, OCR, validation, and batch operations. Use when working with complex PDF workflows in production environments, processing large volumes of PDFs, or requiring robust error handling and validation.
xlsx
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualisation. Use when working with spreadsheets (.xlsx, .xlsm, .csv, .tsv) for creating new spreadsheets with formulas and formatting, reading or analysing data, modifying existing spreadsheets while preserving formulas, data analysis and visualisation, or recalculating formulas.
ffmpeg-cli
FFmpeg CLI reference for video and audio processing, format conversion, filtering, and media automation. Use when converting video formats, resizing or cropping video, trimming by time, replacing or extracting audio, mixing audio tracks, overlaying text or images, burning subtitles, creating GIFs, generating thumbnails, building slideshows, changing playback speed, encoding with H264/H265/VP9, setting CRF/bitrate, using GPU acceleration, creating storyboards, or running ffprobe. Covers filter_complex, stream selectors, -map, -c copy, seeking, scale, pad, crop, concat, drawtext, zoompan, xfade.
git-worktrees
Parallel development workflow using git worktrees. Prepare isolated worktree directories and execute tasks across multiple workspaces for concurrent feature development.
google-ads-scripts
Expert guidance for Google Ads Script development including AdsApp API, campaign management, ad groups, keywords, bidding strategies, performance reporting, budget management, automated rules, and optimization patterns. Use when automating Google Ads campaigns, managing keywords and bids, creating performance reports, implementing automated rules, optimizing ad spend, working with campaign budgets, monitoring quality scores, tracking conversions, pausing low-performing keywords, adjusting bids based on ROAS, or building Google Ads automation scripts. Covers campaign operations, keyword targeting, bid optimization, conversion tracking, error handling, and JavaScript-based automation in Google Ads editor.
google-analytics
Comprehensive Google Analytics 4 guide covering property setup, events, custom events, recommended events, custom dimensions, user tracking, audiences, reporting, BigQuery integration, gtag.js implementation, GTM integration, Measurement Protocol, DebugView, privacy compliance, and data management. Use when working with GA4 implementation, tracking, analysis, or any GA4-related tasks.
google-apps-script
Comprehensive guide for Google Apps Script development covering all built-in services (SpreadsheetApp, DocumentApp, GmailApp, DriveApp, CalendarApp, FormApp, SlidesApp), triggers, authorization, error handling, and performance optimization. Use when automating Google Sheets operations, creating Google Docs, managing Gmail/email, working with Google Drive files, automating Calendar events, implementing triggers (time-based, event-based), building custom functions, creating add-ons, handling OAuth scopes, optimizing Apps Script performance, working with UrlFetchApp for API calls, using PropertiesService for persistent storage, or implementing CacheService for temporary data. Covers batch operations, error recovery, and JavaScript ES6+ runtime.
google-tagmanager
Comprehensive Google Tag Manager guide covering container setup, tags, triggers, variables, data layer, debugging, custom templates, and API automation. Use when working with GTM implementation, configuration, optimisation, troubleshooting, or any GTM-related tasks.
humanizer
This skill should be used when the user wants to humanise text, remove AI slop, make writing sound less like ChatGPT, or rewrite content to sound more natural and human-written. Common triggers - "humanise this", "make this sound less AI", "this reads like a robot wrote it", "de-AI this text", "remove AI patterns", "make this more natural", "clean up this AI-generated text". Detects and fixes 24 patterns of AI writing based on Wikipedia's "Signs of AI writing" guide, including inflated language, promotional tone, AI vocabulary, em dash overuse, filler phrases, sycophantic tone, and formulaic structure.
message
Create and edit rich text message drafts for Gmail, Outlook, and WhatsApp. Writes Markdown fragments and assembles platform-specific HTML via build script. Use when writing emails, drafting emails, composing replies, sending messages, writing WhatsApp messages, sending Gmail messages, replying via email, or when user mentions Gmail, Outlook, WhatsApp, email client, "email to", "reply to", "draft an email", "write an email", "send a message", "message to", "WhatsApp to", or professional correspondence.
react-best-practices
Comprehensive React and Next.js performance optimisation guide with 40+ rules for eliminating waterfalls, optimising bundles, and improving rendering. Use when optimising React apps, reviewing performance, or refactoring components.
shopify-developer
Complete Shopify development reference for Liquid templating, theme development (OS 2.0), GraphQL Admin API, Storefront API, custom app development, Shopify Functions, Hydrogen, performance optimisation, and debugging. Use when working with .liquid files, creating theme sections and blocks, writing GraphQL queries or mutations for Shopify, building Shopify apps with CLI and Polaris, implementing cart operations via Ajax API, optimising Core Web Vitals for Shopify stores, debugging Liquid or API errors, configuring settings_schema.json, accessing Shopify objects (product, collection, cart, customer), using Liquid filters, creating app extensions, working with webhooks, migrating from Scripts to Functions, or building headless storefronts with Hydrogen and React Router 7. Covers API version 2026-01.
tampermonkey
Write Tampermonkey userscripts for browser automation, page modification, and web enhancement. Use when creating browser scripts, writing greasemonkey scripts, automating user interactions, injecting CSS or JavaScript into web pages, modifying website behaviour, building browser extensions, hiding unwanted page elements, adding form auto-fill, scraping website data, intercepting requests, detecting URL changes in SPAs, or storing persistent user preferences. Covers userscript headers (@match, @grant, @require), synchronous and async GM_* API functions, common patterns (DOM mutation, URL change detection, element waiting), security sandboxing, and cross-browser compatibility (Chrome, Firefox, Edge).
timezone-tools
Get current time in any timezone and convert times between timezones. Use when working with time, dates, timezones, scheduling across regions, or when user mentions specific cities/regions for time queries. Supports IANA timezone names.
skill-mastery
Provides master-level guidance for creating exceptional Claude Code skills using combined best practices from official plugin-dev toolkit, community patterns, and latest API. Use when creating skills, designing skill architecture, writing skill descriptions, planning progressive disclosure, choosing skill archetypes, optimising token efficiency, or when user says "create a skill", "skill best practices", "skill description help", "token-efficient skill".