Blog

Field Notes

Practical notes on building AI agents, automation and AI-powered products for real businesses.

Muhammad Usman

Securing Trust Between Agents in Procurement Workflows

Splitting a purchase across research, analysis, and execution agents makes the work easier to manage. It also creates more places where untrusted information can look like authority.

AI Agents/May 28, 2026
Securing Trust Between Agents in Procurement Workflows
Muhammad Usman

Securing Customer Support Agents That Can Issue Refunds

A support chatbot can explain a refund policy. A support agent can apply it, update a ticket, and move money. That changes what a security failure can cost.

Automation/May 14, 2026
Securing Customer Support Agents That Can Issue Refunds
Arslan Chaudhary

AI Inside Your SaaS: Build Product Loops, Not Side Projects

How SaaS teams should put AI into the product itself — workflow by workflow — so customers feel leverage instead of another chatbot tab.

AI SaaS/May 7, 2026
AI Inside Your SaaS: Build Product Loops, Not Side Projects
Muhammad Usman

Shipping Production AI Agents Without the Demo Hangover

A practical engineering view of taking agents from prompt playgrounds into systems that hold up under real users, messy data, and on-call reality.

Engineering/Apr 23, 2026
Shipping Production AI Agents Without the Demo Hangover
Muhammad Usman

AI Agents vs SaaS: What Should Businesses Build in 2026?

AI agent or traditional SaaS? Compare both approaches and learn when businesses should build SaaS, AI-powered software or an agentic product.

AI SaaS/Apr 2, 2026
Traditional SaaS workflow compared with an AI agent workflow where users state a goal and the agent uses tools and APIs to deliver the outcome
Arslan Chaudhary

Full-Stack Development with the MERN Stack: A Practical Map

MongoDB, Express, React, and Node.js are a stack, not a finished product. Here is what each layer should own, how a request moves through them, and the work full-stack teams still have to design.

Engineering/Dec 11, 2025
The MERN stack: React as the client interface, Node.js as the runtime, Express as the API layer, and MongoDB for document data

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