qa-runner: Open-source agent skill for browser-based UI testing with zero-token replay

·2026.10.21 05:22

Key point

The tool converts one-time LLM-driven browser explorations into deterministic scripts that cost nothing to run in CI.

Details

  • Open-source MIT-licensed skill set for coding agents (Claude Code, Cursor, Codex, etc.) that performs end-to-end UI testing in a real browser.
  • Agent explores the app, captures annotated screenshots and recordings, and requires human approval before finalizing test cases.
  • Approved tests are saved as deterministic scripts that replay headless at 0 tokens, eliminating LLM costs for regression runs.
  • Supports JUnit reporting for CI gating and exports to Playwright test files, though some assertions may require manual completion.
  • Web-only tool requiring Node 20+, running locally with no data sent to the author; does not handle captchas or 2FA.

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