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All 8 browser tools unusable: no browser binary bootstrap or system-browser fallback #9
Description
All 8 browser tools (launch_browser, navigate_page, get_page_content, screenshot_page, click_element, type_text, evaluate_js, get_console_logs) are unusable on a clean install.
Repro
launch_browser(headless: true)
-> browserType.launch: Executable doesn't exist at
...ms-playwright\chromium_headless_shell-1200\...
Please run: npx playwright install
launch_browser(engine: "puppeteer", headless: true)
-> Could not find Chrome (ver. 143.0.7499.40).
npx puppeteer browsers install chrome-headless-shell
Context
The audit log shows 65 historical evaluate_js and 28 screenshot_page calls, so this worked at some point and regressed when a browser cache was invalidated by a dependency bump. puppeteer and playwright are hard dependencies in package.json, yet nothing downloads a browser binary.
Fix
- Fall back to a locally installed system browser (Chrome / Edge) via Puppeteer
channelor an explicitexecutablePathbefore failing. - Surface an actionable error naming the exact install command when no browser can be found.
- Add a
browsers:installnpm script so the bootstrap is one documented command.
Activity