Track Expenses in Google Sheets with an OpenAI Agent

# AI agent: expense tracker in Google Sheets and n8n chat ## Overview Automated workflow: AI agent: expense tracker in Google Sheets and n8n chat. This workflow integrates 10 different services: stickyNote, agent, informationExtractor, stopAndError, lmChatOpenAi. It contains 13 nodes and follows best practices for error handling and security. ## Workflow Details - Total Nodes: 13 - Node Types: 10 - Error Handling: ✅ Implemented - Security: ✅ Hardened (no sensitive data) - Documentation: ✅ Complete ## Node Breakdown - AI Agent: agent - When chat message received: chatTrigger - Workflow Input Trigger: executeWorkflowTrigger - OpenAI Chat Model: lmChatOpenAi - Window Buffer Memory: memoryBufferWindow - Sticky Note: stickyNote - OpenAI Chat Model1: lmChatOpenAi - Expense text to JSON parser: informationExtractor - Save expense into Google Sheets: googleSheets - Parse msg and save to Sheets: toolWorkflow - ... and 3 more nodes ## Usage Instructions 1. Configure Credentials: Set up all required API keys and credentials 2. Update Variables: Replace any placeholder values with actual data 3. Test Workflow: Run in test mode to verify functionality 4. Deploy: Activate the workflow for production use ## Security Notes - All sensitive data has been removed or replaced with placeholders - Error handling is implemented for reliability - Follow security best practices when configuring credentials ## Troubleshooting - Check error logs if workflow fails - Verify all credentials are properly configured - Ensure all required services are accessible