Unengineered | Harsh Joshi | Substack
The '2023 vs 2025' Gateway Problem!
In 2023, the AI gateway problem was simple: "We call OpenAI. Sometimes it's down. We need a fallback. In 2025, the goal is Intelligence.
Dec 25, 2025 • Harsh Joshi
Prompt Injection is (still) Unsolved!
A commentary on something fundamental and something broken.
Dec 7, 2025 • Harsh Joshi
Etiquette of a good agent!
We’ve all built agents that can reason, plan, and act, yet most still barge into the system like toddlers with API keys burning through context windows.
Nov 11, 2025 • Harsh Joshi
Most Popular
View all
Can you explain MCP without using the word 'Protocol'?
Apr 5, 2025 • Harsh Joshi
I played with GPT OSS
Aug 7, 2025 • Harsh Joshi
How to build an MCP Server [If you haven’t already]
Apr 20, 2025 • Harsh Joshi
Do you need to build your own MCP server?
Apr 12, 2025 • Harsh Joshi
Does your AI agree with everything you say?
Jul 14, 2025 • Harsh Joshi
Ep1 - Generative AI on Prod - First Steps, RAG, Chatbots and more!
Sep 7, 2024 • Harsh Joshi
