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AI tools, creative workflows, developer deep-dives, and behind-the-scenes from RAXXO Studios.
126 articles
Claude Managed Agents Now Have Filesystem Memory
Claude Managed Agents got filesystem memory in public beta on April 23, 2026, agents read and write actual files Filesystem memory is greppable, diffable, and...
Astro 5 vs Next.js for Marketing Sites: I Migrated 3 Projects
Next.js dev server cold start hit 14 seconds on a static portfolio, that was the breaking point. Bundle dropped from 187 KB to 9 KB...
Resend vs Postmark: 30 Days With Each For Transactional Email
Resend with React Email shipped in 18 minutes, Postmark took 41 minutes plus DMARC tweaks Resend hit 99.7% Gmail placement on 4,212 sends, Postmark hit...
The 8 Drizzle ORM Patterns I Use in Every Shopify Backend
Schema-first pgTable definitions and drizzle-kit migrations keep my Shopify backend predictable across 6 projects. Type-safe joins with the relations API and partial selects shaved 380ms...
Shopify Theme Performance: From 62 to 98 Lighthouse in One Weekend
I took raxxo.shop from a 62 Lighthouse mobile score to 98 without leaving the Liquid theme, and this is the exact punch list. The biggest...
Tailwind v4 Theme: Design Tokens That Actually Scale
Tailwind v4 ships a native @theme directive that replaces tailwind.config.js and makes design tokens first-class CSS. Tokens live in one file, ship as CSS custom...
The 7 Postgres Indexes That Took My API From 400ms to 40ms
I took one of my APIs from 400ms p95 to 40ms p95 by fixing 7 missing or wrong Postgres indexes. Most of my slow queries...
Hono: The Tiny Framework That Runs My Entire Backend
Hono ships under 14KB and runs the same code on Bun, Node, Deno, Cloudflare Workers, and Vercel Edge Cold starts dropped from 380ms on Express...
Bun 1.2 Replaced Node in Every New RAXXO Project
Why Bun 1.2 became the default runtime for 17 RAXXO projects: 3s installs, 9 fewer devDependencies, tests 8x faster. When I still reach for Node.
The 9 Claude Code Hooks That Audit Every File I Write
How 9 shell-script hooks replace code review in a solo studio: what each one catches, how to write your first in under 20 lines, and...
MCP Servers Are How Claude Actually Talks to Everything
MCP servers expose tools, resources, and prompts to Claude through a tiny JSON-RPC protocol. Five MCP servers I run daily: GitHub, a scoped Filesystem, Playwright,...
I Built 3 Production Agents With the Claude Agent SDK in One Weekend
Shipped 3 production agents in one weekend using the Claude Agent SDK, each under 50 lines of glue code. Blog syndication agent cross-posts to Dev.to...