Test NixOS configuration changes using the feedback ladder — from instant syntax checks to full system builds. USE WHEN the user wants to verify, test, or check NixOS changes before deploying.
Review and fix documentation surprises discovered by the surprise hook. USE WHEN the user wants to fix documentation issues, review surprises, or address items in .claude/surprises/.
Query systemd journal logs, check service status, diagnose failed units, and analyze boot performance. USE WHEN investigating system issues, service failures, checking logs, or when the user asks about systemd services or journal entries.
Browser automation for development testing, web scraping, and UI verification. USE WHEN you need to interact with web pages, verify UI changes, take screenshots, or extract data from websites.
Systematically explore and test a web application to find bugs, UX issues, and other problems. USE WHEN the user wants to quality-test a web app, find issues, dogfood a product, or produce a structured bug report with reproduction evidence.
Automate Electron desktop apps (VS Code, Slack, Discord, Figma, Notion, Spotify, etc.) via Chrome DevTools Protocol. USE WHEN the user needs to interact with an Electron desktop app, automate a native app, connect to a running Electron app, or test an Electron application.
Interact with Slack workspaces using browser automation. USE WHEN the user needs to check unread channels, send messages, search conversations, navigate Slack, or extract data from Slack workspaces without using the Slack API.
Comprehensive PRD (Product Requirements Document) management skill for creating, planning, and implementing PRDs. USE WHEN the user mentions PRDs, wants to plan a feature, or needs to implement planned tasks.