Notes on building.
Guides on mobile apps, web platforms and AI products. Cost breakdowns, stack comparisons and how we ship.
Cursor Rules for AI Coding: Best Practices and Patterns 2026
Your AI coding agent is only as good as the rules you give it. Here is how to write .cursorrules files that actually improve code quality, enforce team conventions, and stop your agent from guessing.
Technology · Aug 20, 2026 · 14 min read
OpenAI Codex vs Claude Code: AI Coding Agents Compared 2026
OpenAI Codex CLI and Claude Code are the two heavyweight AI coding agents from the biggest labs in the game. Here is how they actually compare when you put them to work on real projects.
Technology · Aug 20, 2026 · 14 min read
Supabase Edge Functions vs Cloudflare Workers: Edge APIs 2026
Two edge runtimes, two very different philosophies. This guide breaks down Supabase Edge Functions and Cloudflare Workers so you can pick the right one for your API layer.
Technology · Aug 20, 2026 · 14 min read
Panda CSS vs Tailwind v4 vs Vanilla Extract: CSS-in-JS 2026
Three zero-runtime CSS tools are competing for your next project. This guide breaks down Panda CSS, Tailwind v4, and Vanilla Extract with honest benchmarks, real DX opinions, and clear recommendations.
Technology · Aug 20, 2026 · 14 min read
How to Build an AI-Powered Marketplace Matching Engine in 2026
The matching engine is the single most important piece of infrastructure in any marketplace. Get it wrong and your platform feels broken. Here is how to build one powered by AI that actually works.
How to build · Aug 19, 2026 · 15 min read
How to Build a RegTech Compliance SaaS Platform From Scratch
RegTech is one of the fastest-growing SaaS verticals, but building a compliance platform that enterprises actually trust requires deep domain knowledge, bulletproof audit trails, and an architecture designed for constant regulatory change.
How to build · Aug 19, 2026 · 15 min read
How to Build a B2B Data Enrichment Platform for Sales Teams
Your sales reps waste hours researching prospects manually. A custom B2B data enrichment platform fixes that by pulling firmographic, technographic, and intent data into your CRM automatically.
How to build · Aug 19, 2026 · 15 min read
How to Build an AI Sales Coaching Platform for Revenue Teams
The best sales reps get better because someone watches their calls and tells them what to fix. AI can now do that for every rep, on every call, in real time.
How to build · Aug 19, 2026 · 15 min read
How to Build an AI-Powered Legacy Code Migration Tool in 2026
Legacy codebases do not age gracefully, and manual rewrites are expensive gambles. Here is how to build an AI migration tool that actually ships production-ready code.
How to build · Aug 19, 2026 · 15 min read
How to Build a Location Intelligence Platform for Logistics
Location intelligence turns raw coordinates into competitive advantage. Here is how to build a logistics platform that actually understands geography, not just displays dots on a map.
How to build · Aug 19, 2026 · 15 min read
Android XR vs Apple Vision Pro SDK: Spatial Computing for Apps
Google and Apple are battling for spatial computing dominance with very different strategies. Here is a practical breakdown of both platforms, their SDKs, hardware ecosystems, and which one deserves your development budget right now.
Technology · Aug 18, 2026 · 14 min read
How Much Does It Cost to Build an AI Sales Coach App in 2026?
A real cost breakdown for building an AI sales coach in 2026. Call analysis, rep scoring, LLM spend, and the infrastructure that separates a toy demo from a product reps actually trust.
Cost & planning · Aug 18, 2026 · 14 min read