⚡ Capture and organize ideas via Telegram with GPT-4 & Google Sheets

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Description

This n8n template creates an intelligent Ideation Agent 🤖 that captures your ideas from text and voice notes sent via Telegram. The assistant automatically transcribes your voice memos, analyzes the content with a powerful AI, and organizes it into a structured Google Sheet database. It’s the perfect workflow for capturing inspiration whenever it strikes, just by talking or typing 💡.

Use Cases:

• 🗣️ Text-Based Capture: Send any idea as a simple text message to your Telegram bot for instant processing.
• 🎙️ Voice-to-Idea: Record voice notes on the go. The workflow transcribes them into text and categorizes them automatically.
• 📂 Automated Organization: The AI agent intelligently structures each idea with a title, description, score, category, and priority level without any manual effort.
• 📊 Centralized Database: Build a comprehensive and well-organized library of all your ideas in Google Sheets, making it easy to search, review, and act upon them.

How it works:

1. Multi-Modal Input: The workflow starts with a Telegram Trigger that listens for incoming text messages and voice notes.
2. Content-Based Routing: A Switch node detects the message type. Text messages are sent directly for processing, while audio files are routed for transcription.
3. Voice Transcription: Voice messages are sent to the ElevenLabs API, which accurately converts the speech into text.
4. Unified Input: Both the original text and the transcribed audio are passed to the AI Agent in a consistent format.
5. AI Analysis & Structuring: An AI Agent, receives the text. It follows a detailed system prompt to analyze the idea and structure it into predefined fields: Idea, Idea Description, Idea Type, Score, Category, Priority, Status, and Complexity.
6. Data Storage: The agent uses the Google Sheets Tool (add_row_tool) to seamlessly add the fully structured idea as a new row in your designated spreadsheet.
7. Instant Confirmation: Once the idea is saved, the workflow sends a confirmation message back to you on Telegram, summarizing the captured idea.

Requirements:

• 🌐 A Telegram Bot API token.
• 🤖 An AI provider with API access (the template uses Azure OpenAI, but can be adapted).
• 🗣️ An ElevenLabs API key for voice-to-text transcription.
• 📝 Google Sheets API credentials to connect to your database.

Good to know:

• ⚠️ Before you start, make sure your Google Sheet has columns that exactly match the fields defined in the Agent’s system prompt (e.g., "Idea ", "Idea Description ", "Idea Type", etc.). Note that some have a trailing space in the template.
• 🎤 The quality of the voice transcription is dependent on the clarity of your recorded audio.
• ✅ You can completely customize the AI’s behavior, including all the categories, types, and scoring logic, by editing the system prompt in the Agent node.

Customizing this workflow:

• ✏️ Modify Categories: To change the available Idea Type, Category/Domain, or Priority Level options, simply edit the list within the Agent node’s system prompt.
• 🔄 Swap LLM: You can easily change the AI model by replacing the Azure OpenAI Chat Model node with another one, such as the standard OpenAI node or a local AI model.
• 🔗 Change Database: To save ideas to a different platform, just replace the add_row_tool1 (Google Sheets Tool) with a tool for another service like Notion, Airtable, or a database.

🔗 Nodes Used

HTTP Request, Telegram, Telegram Trigger, AI Agent, Azure OpenAI Chat Model, MCP Client Tool

📥 Import

Download workflow.json and import into n8n: Workflow menu → Import from File

📖 Importing guide · 🔑 Credential setup