The Scenario
You're three sprints into a release cycle and the QA backlog has a column that says "URL" and another that says "Status." Fifty rows. The status column is blank.
Your job is to spin up a headless browser session for each URL, check whether the page loads without JavaScript errors, and flag the ones that don't. The browser testing infrastructure is Browserbase — that part's already set up. The question is how to get 50 URLs through it and get the results back into the sheet without writing a script.
The bad version:
- Copy URL from column A, open the Browserbase dashboard, manually create a session, wait for it to complete, open the session logs panel, scan for errors.
- Paste the error message (or "none") into column B. Repeat for row 2. And row 3. And row 4.
- Somewhere around row 15, a session times out and you're not sure if you captured that row or skipped it. Back to the dashboard to check.
The QA report is supposed to go to the engineering lead by end of day. You're a third of the way through the list and it's already 3 PM.
The Easy Way: One Prompt in SheetXAI
SheetXAI is an AI agent that lives inside your Google Sheet. It reads the sheet, understands what you're looking at, and through its built-in Browserbase integration it can spin up sessions, retrieve logs, and write the results back — all from a single prompt.
Here's the prompt for this task:
Create a Browserbase session for each URL in column A, retrieve the session logs for each, and write any JavaScript error messages into column B and the session completion status (COMPLETED or ERROR) into column C
What You Get
- Column B fills with the first JavaScript error from each session's logs, or "none" if the session ran clean.
- Column C records the final session status: COMPLETED or ERROR.
- Rows where the session itself failed to start get flagged in column C with "SESSION_FAILED" so nothing silently disappears.
- The sheet updates in place — your existing row structure stays intact.
What If the Data Is Not Quite Ready
The URLs have trailing spaces and mixed protocols
Clean column A — trim whitespace from each URL, normalize all to https:// where the protocol is missing, then create a Browserbase session for each cleaned URL and write status and error data to columns B and C
Some rows already have a status and shouldn't be re-run
Only process rows in column A where column C is blank, create a Browserbase session for each, and write JS errors into column B and session status into column C — skip any row that already has a status
The URLs are split across two tabs — "Staging" and "Production"
Read URLs from column A in both the "Staging" tab and the "Production" tab, create a Browserbase session for each, and write session status and JS errors back into columns B and C on the same tab the URL came from
I want to clean the URL list, run the sessions, and summarize which pages failed
Remove duplicate URLs from column A, trim whitespace, create a Browserbase session for each unique URL, write session status into column B and JS errors into column C, then add a summary in column E listing only the URLs where column B contains an error
One prompt handles the dedup, the sessions, and the summary — no intermediate steps.
Try It
Open any Google Sheet with a URL list and get the 7-day free trial of SheetXAI — ask it to run Browserbase sessions for each row and write the error logs back. Then check out the session audit spoke or the full Browserbase hub for more task patterns.