Edwin Ong and Alex Vikati ran Claude Code against 2,430 real repos with zero prompting — no tool names, no hints — and just watched what it picked. The result is rare, unbiased observational data on how AI coding agents actually behave when left to their own devices.
Gergely Orosz returns from The Pragmatic Summit with six predictions for the future of software engineering in the AI era (spoiler: your career is not over, but it is changing). Ian Vanagas from PostHog asks the quieter question: why is every role already starting to feel like an engineering role?
Cloudflare had a productive week. Code Mode compresses entire APIs into 1,000 tokens for agent context — the context window problem just shrunk. Their official Agents SDK ships for production deployments. And, for the boldest move of the week: one Cloudflare engineer rebuilt Next.js from scratch with AI in a single week. Meanwhile, Stripe continues the Minions series with part 2 of their one-shot, end-to-end coding agents.
On the web platform: Una Kravets introduces CSS border-shape — the beginning of the non-rectangular web without clip-path hacks. Tim Perry declares dictionary compression (zstd/Brotli) ridiculously good and finally here — web payloads could shrink dramatically overnight. There's also a thorough empirical study across 500 repositories on frontend memory leaks, and nine PostgreSQL features Thiery Michel wishes he'd known sooner.
Tools this week: sabiql is a driver-less TUI for querying PostgreSQL from your terminal, and numpy-ts brings 94% of NumPy's API to TypeScript — scientific computing finally joins the JavaScript ecosystem.
Enjoy!
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Find the 13 highlighted links of weeklyfoo #126:
What Claude Code Actually Chooses
by Edwin Ong, Alex Vikati
We pointed Claude Code at real repos 2,430 times and watched what it chose. No tool names in any prompt. Open-ended questions only.
🚀 Read it!, ai, code, claude
by Matt Carey
Give agents an entire API in 1,000 tokens
📰 Good to know, ai, mcp, cloudlfare
by Alistair Gray
Stripe’s one-shot, end-to-end coding agents—Part 2
📰 Good to know, ai, stripe
The engineeringification of everything
by Ian Vanagas
Why every role seems like an engineering role now (and what it means for you)
📰 Good to know, engineering
Dictionary Compression is finally here, and it's ridiculously good
by Tim Perry
Dictionary compression could completely change how applications send data over the web.
📰 Good to know, compression
The Future of Software Engineering with AI: Six Predictions
by Gergely Orosz
Notes from The Pragmatic Summit and ‘The Future of Software Development’ workshop
📰 Good to know, ai
by Ko-Hsin Liang
A 500-Repository Static Analysis and Five-Scenario Benchmark Study
📰 Good to know, memory, leak, frontend
9 Advanced PostgreSQL Features I Wish I Knew Sooner
by Thiery Michel
My first instinct was to write application-level validation, but something felt off. Surely PostgreSQL had a better way?
📰 Good to know, postgres, database
by Una Kravets
the future of the non-rectangular web
📰 Good to know, css
by Cloudflare
Build and deploy AI Agents on Cloudflare
🧰 Tools, ai, cloudflare
How we rebuilt Next.js with AI in one week
by Steve Faulkner
Last week, one engineer and an AI model rebuilt the most popular front-end framework from scratch.
🧰 Tools, ai, nextjs, cloudflare, vinext
by riii111
A fast, driver-less TUI to browse, query, and edit PostgreSQL databases
🧰 Tools, postgres, database, cli
by Nico D.
Full NumPy, in TypeScript/JavaScript (94% coverage)
🧰 Tools, math, array, matrix
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