urban weekly #102
weekly tech news so you don't have to read all the internet
Good to know
Bloom Filters by Example - A Bloom filter is a data structure designed to tell you, rapidly and memory-efficiently, whether an element is present in a set. bloomfilter, algorithms 
Auth for B2B SaaS: it's not like auth for consumer software - Auth for business software (B2B) shouldn’t look the same as auth for consumer software (B2C). In many cases, it actually can’t work the same way. auth, b2b, b2c
The Email Startup Graveyard - Why 80%+ of Email Companies Fail emails, startup, failure Software engineering with LLMs in 2025: reality check - How are devs at AI startups and in Big Tech using AI tools, and what do they think of them? A broad overview of the state of play in tooling, with Anthropic, Google, Amazon, and others ai
Introducing the first alpha of Turso - The next evolution of SQLite sqlite, database, sql, rust 🔥
The Gap Strikes Back - Now Stylable css 🔥
you are what you launch: how software became a lifestyle brand - software used to be functional. now it’s personal. this is an essay about tools, taste, and the quiet ways we curate identity through what we launch. engineering
Deno 2.4: deno bundle is back - Next minor release of Deno deno 🔥
Read it! Read it! Read it!
Modern Node.js Patterns for 2025 - Node.js has undergone a remarkable transformation since its early days. nodejs, patterns, 2025 🔥
Code and Tools
vet - vet is a command-line tool that acts as a safety net for the risky curl / bash pattern. It lets you inspect, diff against previous versions, and lint remote scripts before asking for your explicit approval to execute. Promoting a safer, more transparent way to handle remote code execution. linux, installer
Octelium - A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA/BeyondCorp architecture, API/AI gateway, a PaaS, an infrastructure for MCP & A2A architectures or even as an ngrok-alternative and a homelab infrastructure. infra SmartStepper - A powerful React component that simplifies the creation of multi-step forms with state management, validation, and a flexible UI approach. react, ui
Juris - JURIS is JavaScript Unified Reactive Interface Solution, the first and only Reactive Object Framework for the web javascript, framework
Awesome-Selfhosted - A list of Free Software network services and web applications which can be hosted on your own servers selfhosted, foss
Type Challenges - Collection of TypeScript type challenges with online judge typescript, training
CartMate - SSL Certificate Management System (API + UI) ssl, certificate, management
Courses - Find coding courses, read reviews & save money education, learning
Repomix - Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more. ai, github whatsapp-api-js - A TypeScript server agnostic Whatsapp's Official API framework whatsapp, api, typescript
Isoflow - A React component for drawing network diagrams. diagrams 🔥
OpenFLOW - Make beautiful isometric infrastructure diagrams diagrams, pwa 
Hyprland - Modern compositor with the looks window-manager 🔥
Omarchy - Opinionated Arch/Hyprland Setup arch, hyprland 🔥
yacs - Yet another credential store secrets
HN Slop - Fresh AI generated startup ideas from the current Hacker News front page ideas, hackernews
Time Picker - A simple TimePicker for your Shadcn UI project. react, ui
AG Charts - AG Charts is a fully-featured and highly customizable JavaScript charting library. The professional choice for developers building enterprise applications charts, javascript
Yet Another React Lightbox - Modern React lightbox component. Performant, easy to use, customizable and extendable. react, ui
FliiipBook - A simple gif animation app for the web gif, animations 🔥
Glass3D - Glass3D Generator css
gmailtail - tail -f your gmail gmail, tail, logs
Kingfisher - Kingfisher is a blazingly fast secret‑scanning and validation tool built in Rust rust, secrets
squawk - Linter for Postgres migrations & SQL postgres, databases, linter
All about Design
RAAEE: The ultimate tracking framework for your product features - Most teams only look at “what users click”, but that’s just the tip of the iceberg. ux CLS Is the New Page Speed - Why Designers Need to Care More Than Developers performance
Fun
Lies per Second, Meetings per Decision Ratio, and other important biz metrics - And yes, please add your own metrics 🔥
Tutorials
Custom Select (that comes up from the bottom on mobile) - Learn how to customize your select elements. ui, selects 🔥
Creating proportional, equal-height image rows with CSS, 11ty, and Nunjucks - Equal-height image layouts seem simple until you try to build one that's truly responsive. This tutorial walks through my solution using flexbox aspect ratios, the Eleventy Image plugin, and a Nunjucks shortcode. images, layout, responsive
Build Your Own Color Search Engine - How to create a semantic search engine for colors (or anything else) using Supabase and an embedding provider such as OpenAI or Mistral colors, postgres, openai
Videos
Building Agents with Model Context Protocol - This workshop from Anthropic - the creators of MCP - talks about the philosophy behind MCP, its impact on the broader ecosystem since launch, and how developers can use it to build context-rich AI apps and agentic experiences. ai, agents, mcp
Published on 2025-07-07, last updated on 2025-09-14 by Adam
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Adam Urban is fullstack engineer, loves serverless and generative art, and is building side projects like weeklyfoo.com, flethy.com and diypunks.xyz in his free time.
