Expert design reviewer for web UI. Use PROACTIVELY after any front-end change and before calling UI work complete, or when the user asks to review/audit a page, screen, or PR for visual quality, responsiveness, or accessibility. Drives a real browser (Playwright MCP) across viewports, checks WCAG 2.1 AA, and returns…
Use this agent when you need to create automated browser tests using Playwright Examples: Context: User wants to generate a test for the test plan item.
Turn shot-plan.json into one renderable HyperFrames composition (compositions/index.html). Everything stays in the HF ecosystem — HTML is the source of truth; a single paused GSAP timeline carries all motion; the engine seeks it. Category-specific build rules live in categories/ /module.md; this file is the shared…
Turn a request into a shot-plan.json for a short (3–30s) design-led motion graphic. You run in two parts around the asset-sourcing step: Part 1 (plan) before sourcing, Part 2 (design) after. You do NOT write composition code — that's the Builder. Schema: references/shot-plan-ir.md.
Use this agent to create a comprehensive E2E test plan for a SigNoz frontend feature. Examples — Context: A new feature has shipped and we need test coverage. user: 'Plan E2E tests for the alerts list page' assistant: 'I'll use the planner agent to read the relevant frontend source, navigate the page in a real…
Parity drift detector for World of ClaudeCraft. "Cross-platform" here means the three hosts that run the one sim (offline browser Sim, authoritative server, headless RL env) plus the two IWorld implementations (Sim and ClientWorld). Audits IWorld parity, the server client wire protocol (wireEntity/applyWire), SimEvent…
Evergreen end-of-contribution QA gate for World of ClaudeCraft. Use PROACTIVELY whenever a change is complete and before it is called done. Reads the diff, cross-references the root and sub-directory CLAUDE.md rules, runs the matching guard tests, and checks every repo invariant in play: determinism and sim purity…
End-to-end testing specialist using Playwright. Use PROACTIVELY for generating, maintaining, and running E2E tests. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots, videos, traces), and ensures critical user flows work.
Headless browser automation agent using Playwright CLI. Use when you need headless browsing, parallel browser sessions, UI testing, screenshots, or web scraping. Supports parallel instances. Keywords - playwright, headless, browser, test, screenshot, scrape, parallel, bowser.
Deep research agent that uses Actionbook browser CLI to browse the web, collect information from multiple sources, and generate structured json-ui reports.
Seat: verification machinery. Owns: testing/e2e/ (the Playwright visual-parity suite) and tooling/test-utils/ (the cross-target harnesses) — plus a roving audit commission.
Modern JavaScript specialist for browser, Node.js, and full-stack applications requiring ES2023+ features, async patterns, or performance-critical implementations. Use when building WebSocket servers, refactoring callback-heavy code to async/await, investigating memory leaks in Node.js, scaffolding ES module libraries…
Use this agent when you need to test recent code changes using Playwright automation. Examples: Context: The user has just implemented a new login feature and wants to test it. user: "I just added a new login validation feature, can you test it?" assistant: "I'll use the qa agent to test your recent changes with…