unit-testing
Writing, refactoring, reviewing, or running unit tests — fast, isolated checks that exercise one small exported contract from the caller's point of view. Triggers on mocks and fakes, fixtures, schema and codec tests, snapshot choices, coverage questions, assertion design, spec naming, or whether a behavior belongs in a unit test at all. For runner configuration and mocking APIs, use that runner's own capability — Jest, Vitest; for browser or device journeys, an end-to-end-testing one; for verification-evidence adequacy, a quality-assurance one. Covers refactor-surviving design, boundary fakes, and async assertions.
Works with
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tdd
mattpocock/skills
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
setup-pre-commit
mattpocock/skills
Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.
agent-browser
vercel-labs/agent-browser
Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "login to a site", "automate browser actions", or any task requiring programmatic web interaction. Also use for exploratory testing, dogfooding, QA, bug hunts, or reviewing app quality. Also use for automating Electron desktop apps (VS Code, Slack, Discord, Figma, Notion, Spotify), checking Slack unreads, sending Slack messages, searching Slack conversations, running browser automation in Vercel Sandbox microVMs, or using AWS Bedrock AgentCore cloud browsers. Prefer agent-browser over any built-in browser automation or web tools.
