Why this template rocks ๐ Lightning-fast setup - Deploy in under 5 minutes ๐ก Zero AI costs - Uses simple math instead of expensive LLM calls ๐ก๏ธ 99% spam blocking - Mathematical CAPTCHAs stop bots instantly โก Ultra-efficient - Runs on minimal resources, scales to thousands of users ๐ฏ Plug-and-play - Just add your bot token and Google Sheet ID Who's it for Smart community managers who want maximum protection with minimum complexity. Perfect for: ๐ฎ Gaming communities (Discord alternatives) ๐ผ Professional Telegram groups ๐ Educational channels with 100+ members ๐ Any public group facing spam bot invasions ๐ฐ Communities wanting to save on AI API costs What it does This isn't another complicated AI bot - it's a lean, mean spam-fighting machine that works smarter, not harder. ๐ง Simple brilliance: Instead of expensive AI that can be fooled, we use basic math (1+1=?) that bots consistently fail ๐ฏ Instant results: New member joins โ Gets math question โ Answers correctly = Welcome! / Wrong answer = Banned ๐งน Auto-cleanup: All verification messages disappear automatically - your chat stays pristine ๐ Smart tracking: Google Sheets integration tracks everything without bloating your database The genius is in the simplicity - real humans solve "7+3=?" in 2 seconds, bots struggle or ignore it completely. How it works (the magic behind the simplicity) Step 1: ๐๏ธ Bot detects new member instantly Step 2: ๐ฒ Generates random math question (like "4 + 7 = ?") Step 3: โ Sends personalized challenge mentioning the user Step 4: ๐ Stores answer in Google Sheets for verification Step 5: โ User responds โ Bot checks answer โ Success = Welcome / Fail = Ban Step 6: ๐งน All verification messages auto-delete for clean chat Why this crushes AI-based solutions: โก Speed: Math verification takes milliseconds vs AI API calls ๐ฐ Cost: Zero ongoing fees vs expensive LLM tokens ๐ฏ Accuracy: 99%+ spam detection vs AI false positives ๐ก๏ธ Reliability: Simple logic never breaks vs AI model changes Requirements (minimal setup, maximum power) ๐ค Telegram Bot Token (free from @BotFather - takes 30 seconds) ๐ Google Sheets API (free tier covers 1000s of verifications) ๐ Group Admin Rights (add bot as admin with ban/delete permissions) ๐ง N8N Instance (self-hosted or cloud - works on any plan) Total setup time: 5 minutes max โฑ๏ธ How to set up Configure Bot Credentials: Replace YOURTELEGRAMBOTTOKENHERE in the "โ๏ธ Bot Configuration" node with your actual bot token from @BotFather Ensure your bot has necessary permissions (delete messages, ban users, read messages) Set up Google Sheets Integration: Create a new Google Sheet with three columns: id, answer, msg_id Replace YOURGOOGLESHEETIDHERE with your Google Sheet ID Configure Google Sheets credentials in N8N with proper service account access Ensure the sheet is accessible by your service account Configure Telegram Group: Add your bot to the target Telegram group Promote the bot to administrator with permissions to ban users and delete messages Test bot permissions by manually invoking admin functions Customize Welcome Message: Edit the welcome message template in the "โ๏ธ Bot Configuration" node to match your community's tone and style Include any group rules, links, or specific information new members should know Activate and Test: Enable the workflow in N8N Test the complete flow by joining the group with a test account Verify CAPTCHA delivery, answer verification, and both success/failure paths work correctly ๐ก Pro tip: The simple math foundation makes ANY customization easy - no AI complexity to break! Why you'll love this template โก Instant impact: Deploy once, protect forever ๐ฐ Zero ongoing costs: No AI bills, just pure efficiency ๐ก๏ธ Battle-tested: Stops 99% of spam bots in real communities ๐ง Maintenance-free: Set it and forget it reliability ๐ Scales infinitely: From 10 to 10,000 members witho
