playwright dont work within codex but CLI
Open 💬 1 comment Opened Mar 28, 2026 by xingpingcn
What version of the IDE extension are you using?
v26.325.31654
What subscription do you have?
Go
Which IDE are you using?
VS Code
What platform is your computer?
Linux 6.17.0-1007-oracle aarch64 aarch64
What issue are you seeing?
Playwright MCP Browser Navigate, Tabs and Snapshot tool output within codex
Error: Browser is already in use for /root/.cache/ms-playwright/mcp-chrome, use --isolated to run multiple instances of the same browser
commend npx -y playwright screenshot --browser=chromium http://127.0.0.1:3000 /tmp/3000-cli.png outputs
Navigating to http://127.0.0.1:3000
Capturing screenshot into /tmp/3000-cli.png
which make me got the screenshot as expect
What steps can reproduce the bug?
ask codex to access http://127.0.0.1:3000 within a new chat thread, in which i got an error
Error: Browser is already in use for /root/.cache/ms-playwright/mcp-chrome, use --isolated to run multiple instances of the same browser
What is the expected behavior?
_No response_
Additional information
Sounds like every single issue listed above is with Codex https://github.com/microsoft/playwright-mcp/issues/1214#issuecomment-3559869589
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