How do you run AI agents in production? The 2026 playbook
Most agent demos die before production. This playbook covers the five disciplines that keep agents alive in front of rea...
Shreyash SinghBlog
Articles and guides on ai engineering in production, from the ProductOS team.
Shreyash SinghThe Testing Prompt Pack: 18 Prompts That Catch Bugs
Most teams test what they built. The best teams test whether they built the right thing. 📋 Read time: 14 minutes. Use t...
Shreyash SinghThe Model Behavior Cheat Sheet: Claude, GPT & Gemini
The model isn't the strategy. But picking the wrong one for the wrong job costs you weeks you won't get back. 📋 Read ti...
Shreyash SinghThe Code Review Checklist: 28 Checks
Code review isn't a quality gate. It's the last moment you have to ask "should this exist at all" before it becomes some...
Shreyash SinghThe Code Review Prompt Pack: 20 Prompts Worth Running
Code review is the last line of defense before production. Most teams treat it like a style guide check. The teams that...
Shreyash SinghThe AI Debugging Prompt Pack: 20 Prompts to Find Bugs
Most debugging sessions start with a symptom. The ones that end fast start with a hypothesis. ⏱️ Read time: 14 minutes....
Shreyash SinghThe AI Testing Prompt Pack: 18 Prompts to Validate
Most teams ship and hope. The ones that don't use prompts like these. 📋 Read time: 14 minutes. Use time: every sprint,...
Shreyash SinghThe Architecture Prompt Pack: 15 Design Prompts
Most teams treat architecture as a technical decision. The teams that build durable products treat it as a product decis...
Shreyash SinghThe AI Agent Prompt Pack: 15 Prompts for Agents
Most builders are asking "how do I add an agent to my product?" The better question is "does this problem actually need...
Shreyash SinghThe Debugging Prompt Pack: 18 Prompts
Most debugging is just asking the wrong questions in the right order. These prompts ask the right questions first. 📋 Re...
Shreyash Singh