weeklyfoo

All the new internet buzz condensed and curated into one newsletter.

Every Monday. Condensed and curated. No costs.

by @urbanisierung

[weeklyfoo @weeklyfoo]

Claude Context by Zilliz

MCP plugin that gives AI coding agents deep codebase understanding — indexes millions of code lines with vector search and AST-based chunking to cut token usage

https://t.co/KVu56nr8RE

[weeklyfoo @weeklyfoo]

Yuku by Yuku Toolchain

High-performance JavaScript/TypeScript compiler and toolchain written in Zig — 100% JS spec compliant

https://t.co/4dJTBXK6ag

[weeklyfoo @weeklyfoo]

Slop Cop by awnist

Browser-based writing editor that flags rhetorical and structural patterns common in generic LLM prose

https://t.co/cGeyI0OEkQ

[weeklyfoo @weeklyfoo]

MDV by drasimwagan

Markdown superset with embedded charts, KPI cards, and data visualizations using declarative syntax — renders to self-contained HTML or PDF with a VS Code live preview extension

https://t.co/c2nwoZ2k3e

[weeklyfoo @weeklyfoo]

Details That Make Interfaces Feel Better by Jakub

Small UI polish details that compound into better-feeling interfaces — balanced text wrapping, concentric border radius, tabular numbers, interruptible CSS transitions, and more

https://t.co/GdhCchea96

[weeklyfoo @weeklyfoo]

Rspack 2.0 by Rspack

Rust-powered webpack-compatible bundler ships v2.0 with significantly faster builds, improved ESM output, and broad framework support across Next.js, Vue, Svelte, and Solid

https://t.co/BXzTGASYNP

[weeklyfoo @weeklyfoo]

Making Your Site Visible to LLMs: 6 Techniques That Work, 8 That Don't by Evil Martians

Practical guide to LLM discoverability — structured data, llms.txt, clean semantic HTML, and eight techniques that actually don't help

https://t.co/kwnBhRw9iH

[weeklyfoo @weeklyfoo]

I Don't Want Your PRs Anymore by https://t.co/RTryk7K4Ju

An open source maintainer closes external PRs in favor of LLM-generated code — future contributions should focus on feedback, architecture, and bug reports

https://t.co/ZNH35YfdY4

[weeklyfoo @weeklyfoo]

OWASP NPM Security Best Practices by OWASP

Continually updated checklist covering lifecycle script disabling, typosquatting, trusted publishing, and dependency confusion

https://t.co/FFb5cWRsnW

[weeklyfoo @weeklyfoo]

Managing Context in Long-Run Agentic Applications by Slack Engineering

Slack Engineering on maintaining alignment across complex long-running agent systems — techniques for balancing continuity and creativity in multi-agent teams

https://t.co/Lo5uJwiXJk

[weeklyfoo @weeklyfoo]

The AI Engineering Stack Cloudflare Built Internally by Cloudflare

93% of Cloudflare's R&D uses AI tools built on their own platform — MCP servers, access layer, and agent tooling pushed weekly merge requests from 5,600 to over 8,700

https://t.co/JFFcZVAMwZ

[weeklyfoo @weeklyfoo]

Building a UI Without Breakpoints by Frontend Masters

Using flex calc(infinity) and container queries to build responsive layouts that naturally adapt without explicit media query breakpoints

https://t.co/uFA63DgEsF

[weeklyfoo @weeklyfoo]

Vercel April 2026 Security Incident by Vercel

A compromised third-party AI tool gave attackers access to sensitive Vercel customer data — Guillermo noted the attack was significantly accelerated by AI

https://t.co/LSv220A6J1

[weeklyfoo @weeklyfoo]

Six Levels of Dark Mode by Matthias Beitl

Eight progressive methods for dark mode implementation — from basic HTML meta tags and CSS properties to advanced media queries and JavaScript color scheme switching

https://t.co/Xy8PUn4eJQ

[weeklyfoo @weeklyfoo]

Claude Opus 4.7 System Prompt Changes by Simon Willison

Claude's system prompt changes from Opus 4.6 to 4.7 — less pushy, more concise, new browser and Office agent tools, expanded safety guidelines

https://t.co/BuykctBGzi

[weeklyfoo @weeklyfoo]

Introducing Claude Design by Anthropic

Anthropic's new product for creating designs, prototypes, and presentations using Claude Opus 4.7 — available in research preview for Pro, Max, Team, and Enterprise

https://t.co/0zTg6rC0GK

[weeklyfoo @weeklyfoo]

The Agent Stack Bet by Addy Osmani

Most production agents today feature fragile session logic, shared service accounts, and weak security models — four architectural bets for the next generation of agentic systems

https://t.co/Z8CDac2zpN

[weeklyfoo @weeklyfoo]

Slitscanner by Matt Soria

Upload an image, set scan settings, move it around - creates slit-scan photography distortion art, neat for background images

https://t.co/9pgrEkaZj0

[weeklyfoo @weeklyfoo]

Chess in Pure SQL by https://t.co/U0EYfcmdJR

A fully playable chess game rendered and run entirely with SELECT and UPDATE statements - no app server, no JavaScript, just SQL

https://t.co/2HLIDXbnZm

[weeklyfoo @weeklyfoo]

100 Jumps by https://t.co/zoeqb7hhXo

Jump without missing - a small physics-based browser game

https://t.co/eEQiXf8NAm