Check whether a Playwright, Puppeteer, Selenium or CDP-driven browser presents a coherent fingerprint, using liarjs as a library against a Page you already have - navigator.webdriver, HeadlessChrome tokens, worker versus main-thread identity, patched-API integrity, WebGL versus WebGPU GPU identity.
Install
npx skills add liarjsdev/liarjs-skills --skill playwright-stealth-verifynpx skills add liarjsdev/liarjs-skills --skill playwright-stealth-verify -a claude-code -gnpx skills add liarjsdev/liarjs-skills --skill playwright-stealth-verify -a codex -ggemini skills install https://github.com/liarjsdev/liarjs-skills.git --path skills/playwright-stealth-verifygh skill install liarjsdev/liarjs-skills playwright-stealth-verifygit clone --depth 1 https://github.com/liarjsdev/liarjs-skills /tmp/liarjsdev__liarjs-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/liarjsdev__liarjs-skills/skills/playwright-stealth-verify ~/.claude/skills/playwright-stealth-verify # Claude Code
cp -R /tmp/liarjsdev__liarjs-skills/skills/playwright-stealth-verify ~/.agents/skills/playwright-stealth-verify # Codex, Cursor, Gemini CLI, Copilot, OpenCode