Grade PDF assignments with Google Gemini and upload reports to Google Drive
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 11 nodes and runs when an HTTP GET request hits its webhook URL. Along the way it connects Google Gemini Chat Model and Google Drive.
How it runs
Trigger: When an HTTP GET request hits its webhook URL.
- Extract Text from Test Paper (Extract from File): extracts data from a file (pdf)
- Prepare Assignment Data (Edit Fields (Set)): sets 3 fields: studentName, assignmentTitle, testPaperText
- Load Answer Script (Edit Fields (Set)): sets 1 field: answerScript
- AI Agent: runs an AI agent, with model: Google Gemini Chat Model; output parser: Structured Output Parser
- Generate Results Table (Code): runs custom JavaScript code
- Prepare CSV Data (Edit Fields (Set)): sets 1 field: data
- Convert to CSV File (Convert to File): converts data to a file
- Upload file (Google Drive): uses Google Drive
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI Agent - Grade Assignment (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI Agent - Grade Assignment (v1.7) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (9)
- Webhook
n8n-nodes-base.webhook - Extract from File
n8n-nodes-base.extractFromFile - Edit Fields (Set)
n8n-nodes-base.set - AI Agent
@n8n/n8n-nodes-langchain.agent - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Code
n8n-nodes-base.code - Convert to File
n8n-nodes-base.convertToFile - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Google Drive
n8n-nodes-base.googleDrive
From the author
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