9 min read
What Is an AI Agent Harness? Chatbot vs. Tool-Calling LLM vs. Agent
What turns an LLM into Copilot or Claude Code? The agent harness: the loop, permissions, and memory system behind every AI coding agent.
Read articleAdeel Imran / Field notes13 articles
Engineering · Product · AI
Adeel's Blog
Practical notes on building ambitious products with React, TypeScript, modern AI, and thoughtful engineering.
Featured article16 min read
How to Build a Typography System in Tailwind CSS v4
A step-by-step guide to building a centralized typography system in Tailwind CSS v4: shared recipes, a typed Text component, lint enforcement, and tests using the v4 compile API.
Adeel Imran
The archive
Latest thinking
5 min read
Stop Fixing Tailwind Canonical Class Warnings by Hand
VS Code keeps nudging you to fix Tailwind's canonical class suggestions. There's a single CLI command that does it across your entire codebase. Here's how to use it and why you should care.
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19 min read
How I built a production landing page video in 3 hours using Claude, Remotion, and ElevenLabs
A developer case study on replacing a videographer, voiceover artist, sound designer, and content writer with free-tier AI tools. Here is exactly how it was done.
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7 min read
Stop Writing useMemo and useCallback: A Senior Dev's Migration Guide to React Compiler 1.0
React Compiler 1.0 shipped in October 2025. It automatically memoizes your components so you don't have to. Here's how to migrate an existing codebase without breaking anything, written by a senior React contractor who has done it.
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10 min read
How to Build a Markdown Blog with Next.js 15: The Complete Guide
Learn how to create a fast, SEO-friendly blog using Next.js 15, markdown files, and zero external dependencies. Build a developer blog that ranks on Google, loads instantly, and costs nothing to host.
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26 min read
Next.js SEO: Complete Implementation Guide for 2026
Master Next.js SEO optimization with this comprehensive guide. Learn Next.js 15 App Router SEO implementation: metadataBase, generateMetadata, dynamic sitemaps, JSON-LD structured data, and Core Web Vitals optimization. Proven strategies from 10+ years building high-traffic SaaS applications.
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7 min read
Building Your First Full-Stack App with TanStack Start: A Beginner's Guide
Learn how to build a complete to-do application using TanStack Start. This beginner-friendly guide walks you through creating, reading, updating, and deleting data while understanding modern full-stack development concepts.
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5 min read
React.FC vs Standard Functions: Which Should You Use in 2025?
The great React TypeScript debate continues! Discover why most developers are moving away from React.FC and learn the modern patterns that will make your components cleaner and more maintainable.
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4 min read
Colocated State and Powerful Composition with React
Discover how to leverage React's built-in hooks for state management through colocation and composition patterns, reducing the need for external libraries like Redux or Zustand.
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3 min read
Essential TypeScript Tips for React Developers
Discover advanced TypeScript patterns and techniques that will make your React applications more robust, maintainable, and type-safe. From generics to utility types, this guide covers it all.
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8 min read
My Journey from Full-Stack Developer to Tech Consultant
A comprehensive look at my 10-year journey from junior developer to founder and consultant. From building RESTful APIs to architecting enterprise solutions, leading teams, and establishing a boutique consultancy focused on AI and web applications.
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2 min read
Building Scalable SaaS Applications with Next.js and TypeScript
Learn how to build production-ready SaaS MVPs using modern technologies like Next.js, TypeScript, and React. This guide covers best practices for architecture, performance optimization, and deployment strategies.
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