Gopal Katariya - AI & Python Developer Blog https://gopalkatariya.com/blogs Practical guides on AI engineering, Python backend systems, and shipping products to production. en-us Best Prompt Engineering Techniques for Better AI Results https://gopalkatariya.com/blog/best-prompt-engineering-techniques Use practical prompt engineering techniques to get more reliable AI results with clear instructions, useful context, examples, constraints, structured outputs, and evaluation. Tue, 15 Sep 2026 00:00:00 GMT https://gopalkatariya.com/blog/best-prompt-engineering-techniques Gopal Katariya General What Is MCP? Model Context Protocol vs AI Agents https://gopalkatariya.com/blog/what-is-mcp-model-context-protocol-ai-agents Understand Model Context Protocol (MCP), how it connects AI models to tools and data, and how it differs from an autonomous AI agent. Tue, 08 Sep 2026 00:00:00 GMT https://gopalkatariya.com/blog/what-is-mcp-model-context-protocol-ai-agents Gopal Katariya Tech Fine-Tuning Algorithms and Models: Which Approach Should You Choose? https://gopalkatariya.com/blog/best-fine-tuning-algorithms-models Compare the main fine-tuning methods—from full fine-tuning and LoRA to QLoRA and preference optimization—and learn which approach fits your model, data, hardware, and goal. Tue, 01 Sep 2026 00:00:00 GMT https://gopalkatariya.com/blog/best-fine-tuning-algorithms-models Gopal Katariya Tech Point an EC2 Public IP to a Domain for a FastAPI Server https://gopalkatariya.com/blog/point-ec2-public-ip-to-domain-fastapi Connect api.mydomain.com to a FastAPI server on an EC2 public IP using DNS, Nginx, Uvicorn, and HTTPS with Certbot. Tue, 25 Aug 2026 00:00:00 GMT https://gopalkatariya.com/blog/point-ec2-public-ip-to-domain-fastapi Gopal Katariya Tutorial Most Common n8n Tools (Nodes) and the Useful Ones to Learn First https://gopalkatariya.com/blog/most-common-n8n-tools-nodes Learn the most useful n8n nodes first—including Webhook, HTTP Request, Set, IF, Switch, Merge, Code, and Split in Batches—with practical workflow examples. Tue, 18 Aug 2026 00:00:00 GMT https://gopalkatariya.com/blog/most-common-n8n-tools-nodes Gopal Katariya Tutorial FastAPI Basics (with Best Practices): Build a Clean, Production-Ready API https://gopalkatariya.com/blog/fastapi-basics-best-practices A practical FastAPI guide covering project structure, Pydantic validation, dependency injection, error handling, settings, testing, and production best practices. Tue, 11 Aug 2026 00:00:00 GMT https://gopalkatariya.com/blog/fastapi-basics-best-practices Gopal Katariya Tutorial Build a WhatsApp Bot with n8n › https://gopalkatariya.com/blog/n8n-whatsapp-bot-demo A beginner-friendly demo of building a WhatsApp bot using n8n + WhatsApp Cloud API: webhook, parsing, simple reply logic, and sending responses back to WhatsApp. Tue, 04 Aug 2026 00:00:00 GMT https://gopalkatariya.com/blog/n8n-whatsapp-bot-demo Gopal Katariya Tutorial