Shreyash Singh
Co-founder & CTO, ProductOS
Built ProductOS's AI agent architecture, backend infrastructure, and core product engine from scratch. Deep expertise in scalable systems and applied AI. Writes about agent pipelines, codegen, and AI engineering.
Articles by Shreyash (3)
What is spec-driven development? The complete guide (2026)
Spec-driven development makes a written, reviewable specification the source of truth that AI coding agents build from and are judged against. This guide covers the full workflow, the tool landscape, and the honest limits.
What is context engineering? The skill replacing prompt engineering
Context engineering is the discipline of deciding what an AI model sees at each step: instructions, documents, tools, and memory. Here is what it replaces, the four pillars, and how a real multi-agent pipeline applies it.
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 real users: architecture, shared context, verification, failure handling, and cost control, drawn from a pipeline that ships real products.
Insights by Shreyash (11)
All insightsThe Testing Prompt Pack: 18 Prompts That Catch Bugs
The Model Behavior Cheat Sheet: Claude, GPT & Gemini
The Code Review Checklist: 28 Checks
The Code Review Prompt Pack: 20 Prompts Worth Running
The AI Debugging Prompt Pack: 20 Prompts to Find Bugs