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Press Shift+Esc when your manager walks toward your desk. Your status bar changes from: 🦎 Compiló limpio. Tu mamá estaría orgullosa. to: 💼 [PROD] clus
Tracing Tool Calls in MCP Workflows: Per-Tool Latency, Cost, and Failure Modes MCP agents are opaque by default. You call generate(), the m
Here's a test that passes every time: await expect(page.locator('.checkout-button')).toBeVisible(); And here's what the AI agent doesn't know
Every time I wanted to build a Chrome Extension, I'd spend the first 2–3 hours doing the exact same thing: Fighting Manifest V3 config Wiring up Typ
If you are using Zod for API contract validation in TypeScript, you already know the pain of writing test data. You have a schema with 50 nested fie
There's a discussion that surfaces every time someone posts an ORM benchmark: "of course JDBC is faster, you're measuring the abstraction". They're ri
Hay una discusión que aparece cada vez que alguien postea un benchmark de ORM: "claro que JDBC es más rápido, estás midiendo la abstracción". Y tienen
TypeScript Generics Explained: The Practical Guide Generics look scary. They're not. They're just "placeholders for types." Here's everythi
Every SDET joining a new project goes through the same ritual. Run npm init playwright@latest. Spend day one on ESLint, Prettier, Husky. Day two on f
7 TypeScript Patterns I Use in Every Project These patterns make my TypeScript code cleaner, safer, and more maintainable. Patter
You just changed one utility function. CI kicks off. 2,000 Playwright tests start running. 45 minutes later, you get your green light. This is the s
TypeScript Tips That Make You More Productive Stop fighting TypeScript. Make it work for you. 1. Type vs Interface (When to Use W
I needed to run AI agent workflows locally, in TypeScript, with real permission enforcement. I spent time with the obvious options — n8n, OpenClaw, He
There's a species of tree in dense forests that grows toward whatever gap in the canopy lets light through. It doesn't ask permission. It doesn't regi
After shipping v0.1.0 I did what most developers do after a release — I opened my own app and started poking around. The values were ciphertext. Good
Not going to lie I built this app mostly to scratch my own itch. Every health tracker I tried had the same problem. Great at one thing, terrible at
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The googleapis npm package is the default answer for calling Google APIs from Node.js. It works, but it installs around 380KB and brings in over 450 t