Miguel Carranza shares eight years as RevenueCat's CTO—the delegation struggles, scaling challenges, and why they turned down massive acquisition offers. Antonio Gulli drops a 400-page free blueprint for agentic architecture with 21 proven design patterns (Google engineer wisdom at zero cost!). Meanwhile, Clopus-Watcher is literally doing on-call shifts autonomously in a K8s cronjob—diagnosing and fixing cluster issues while you sleep!
Addy Osmani brings the data: AI hits 40% success on simple React tasks but crashes to 20% with complexity (the AI coding cliff is real). Pete Steiner nails the shift—we're no longer bottlenecked by human typing but by AI inference speed, shipping software at the speed of thought. Ben Tossell burned through 3 billion tokens in four months coding without being "technical," proving software development is getting democratized fast!
Also in this issue: AI is making 100% test coverage pragmatic instead of aspirational (best practices now essential, not optional), Steve Yegge predicts traditional IDEs are dead by 2026 with his multi-agent Gas Town orchestrator, and Ed Huang reveals that 90%+ of new TiDB Cloud clusters are created by AI agents, not humans—infrastructure's primary users have fundamentally shifted!
On the tools front: Worktrunk manages parallel AI agent workflows with Git worktrees (no more conflicts!), Ensue Skill gives Claude persistent memory that compounds knowledge across sessions, and OpenWorkers delivers self-hosted Cloudflare Workers in Rust—edge computing without vendor lock-in!
Enjoy!
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Find the 12 highlighted links of weeklyfoo #118:
by Ed Huang
A guide to building infra software for AI agents
🚀 Read it!, ai
by Miguel Carranza
Year Eight
📰 Good to know, engineering
by Antonio Gulli
A Hands-On Guide to Building Intelligent Systems
📰 Good to know, ai
by Denislav Gavrilov
An autonomous monitoring agent
📰 Good to know, ai, on-call
How Good Is AI at Coding React (Really)?
by Addy Osmani
A data-driven look at what AI can and can’t do for React developers - and what you can do about it
📰 Good to know, ai, react
by Pete Steiner
It’s incredible how far “vibe coding” has come this year.
📰 Good to know, ai, vibe-coding
How I code with agents, without being 'technical'
by Ben Tossell
I've spent 3 billion tokens in four months.
📰 Good to know, ai, agents
AI Is Forcing Us To Write Good Code
by Steve Krenzel
When Best Practices Are Best
📰 Good to know, ai, engineering
by Steve Yegge
Gas Town is a new take on the IDE for 2026.
📰 Good to know, ai, ide
by Maximilian Roos
Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows
🧰 Tools, ai, agents, vibe-coding
by ensue.dev
Get smarter alongside your AI.
🧰 Tools, ai, claude
by openworkers.com
Self-hosted Cloudflare Workers in Rust
🧰 Tools, workers, rust
Want to read more? Check out the full article here.
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