The Scenario
A major subgraph deployment is scheduled for Friday. The GraphQL platform engineer on your team has a standing rule: before any breaking subgraph change goes to production, snapshot the current composed federated schema SDL into the shared tracking sheet. That way the team has a versioned paper trail of what the graph looked like before and after.
You inherited this responsibility when the previous engineer moved teams three weeks ago. You have the Grafbase credentials. You have the tracking sheet. What you do not have is a clear memory of how the previous engineer was getting the SDL out of Grafbase and into the sheet.
The bad version:
- Log into the Grafbase dashboard, navigate to the graph, find the SDL viewer for the composed federated schema
- Select all the SDL text — which runs to several thousand characters — and copy it to clipboard without accidentally missing the first or last line
- Switch to the Google Sheet, find the right cell (it is supposed to go into A1 of the SDL-Snapshots tab), paste, and hope the formatting did not get scrambled
The SDL paste never looks right in a sheet cell on the first try. You end up spending fifteen minutes on formatting, then realize the sheet formula that reads from that cell to generate a character count is now broken because you overwrote the named range.
The deployment window is in two hours. This should not be taking this long.
The Easy Way: One Prompt in SheetXAI
SheetXAI is an AI agent inside your Google Sheet. It reads the sheet, understands the context, and pulls from Grafbase directly. No clipboard acrobatics, no manual SDL extraction. Ask it.
Fetch the full composed federated schema SDL from Grafbase for account my-org and graph main-api on branch main and paste it into cell A1 of the SDL-Snapshots tab
What You Get
- The full SDL text written into cell A1 of the SDL-Snapshots tab
- No truncation — even large SDLs above 50,000 characters land intact
- A note on the cell showing the timestamp of the fetch so the snapshot is self-documenting
- Any downstream formula that reads from A1 continues to work because the cell reference is preserved
What If the Data Is Not Quite Ready
The SDL for the staging branch needs to go into a separate tab, not the main snapshot tab
Fetch the composed SDL from Grafbase graph main-api on branch staging and write it into cell A1 of the Staging-Snapshots tab, separate from the production snapshot
The snapshot tab already has last week's SDL and you need both preserved
Append a new row to the SDL-Snapshots tab with today's date in column A and the full composed SDL from Grafbase graph main-api on branch main in column B — do not overwrite existing rows
You need the SDL and a character count written together for a size-tracking workflow
Fetch the composed SDL from Grafbase graph main-api on branch main, write the SDL text into cell A1 of SDL-Snapshots, and write the character count into cell B1 and the number of type definition blocks into cell C1
Pre-deployment snapshot with diff note and schema size delta all in one prompt
Fetch the composed SDL from Grafbase graph main-api on branch main and write it into cell A1 of SDL-Snapshots, then compare its character count to the value in B1 from the previous snapshot row and write the difference into cell D1 with a label indicating whether the schema grew or shrank
One prompt handles the SDL capture, the size comparison, and the delta note. That is the pattern: ask for the snapshot and every metadata annotation in a single request, not as a sequence of separate operations.
Try It
Open the Google Sheet your team uses for pre-deployment checks, then Get the 7-day free trial of SheetXAI and ask it to capture the current Grafbase federated schema SDL before your next deployment window. Also worth reading: Audit All Subgraph Schemas Across a Grafbase Federated Graph and the Grafbase overview for Google Sheets.