Automation library · Chat assistants

Grade assignments and email feedback with OpenAI

Started by a clock, and works across Gmail, Google Docs, Google Drive, Google Sheets and two others. It hands the judgement calls to OpenAI. 17 steps, 1 branch: a working afternoon to understand properly.

MediumCalls a model: OpenAI

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17 stepsMedium: a working afternoon
1Branch: places the flow splits
0Loops or waits
6Services it connects to

The flow

Starts it 3Model 2Logic 4Service 8

The steps in the order they run, from what starts it.

  1. 1On Workflow ErrorError triggerStarts it
  2. 2Google Drive, Watch Submissions FolderGoogle Drive triggerStarts it
  3. 3Schedule, Trigger Daily Summary at 6 PMSchedule triggerStarts it
  4. 4Slack, Send Workflow Error AlertSlackService
  5. 5Google Drive, Download PDF BinaryGoogle DriveService
  6. 6Google Sheets, Read All Gradebook RowsGoogle SheetsService
  7. 7OpenAI, Extract Text from PDFOpen AiModel
  8. 8Code, Build Today's Summary ReportCodeLogic
  9. 9Code, Parse Filename MetadataCodeLogic
  10. 10IF, Submissions Exist TodayIfLogic
  11. 11Google Docs, Fetch Grading RubricGoogle DocsService
  12. 12Gmail, Email Daily Summary to TeacherGmailService
  13. 13Telegram, Push Summary to TeacherTelegramService
  14. 14OpenAI GPT-4o, Grade Against RubricOpen AiModel
  15. 15Code, Parse and Merge Grade JSONCodeLogic
  16. 16Google Sheets, Append Row to GradebookGoogle SheetsService
  17. 17Gmail, Send Feedback Email to StudentGmailService

How it's built

Starts on
A clock
Steps
17, with 1 branch
Size
Medium: a working afternoon
Connects to
Gmail, Google Docs, Google Drive, Google Sheets, Slack, Telegram
Model
OpenAI

Questions

What does it need to run?

An n8n account, plus your own Gmail, Google Docs, Google Drive, Google Sheets, Slack and Telegram accounts, and a key for OpenAI. You connect your own accounts after importing it; none are included.

What starts it?

It starts on a clock.

Does it use AI?

Yes. It calls OpenAI. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 17 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 17 steps before you point it at anything that matters.