Marcin Piekarski 🇦🇺
@codewithmarcin
Coding since '98 from JS to React. I build projects & guide new devs. Follow for a journey of creation! 👨💻🛠️
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💥 Introducing Nodebase, a workflow automation platform like n8n, Zapier or Make. Every tutorial out there teaches you how to use automation apps, but what if you could build your own instead? 🚀 🔄 Visual workflow builder 🎯 Trigger nodes (Webhook, Google Form, Stripe...) 🤖…
🚀 Monorepo powered by Bun + Turborepo ✨ Next.js 15 (web) + Expo 54 (mobile) ⚡ React 19 on both 🎨 Shared UI components 🔥 NativeWind v5 + Tailwind CSS v4
🤔 Trump: I have a couple I don’t like, but I won’t tell you who. You’ll never find out who they are. Or maybe you will. 🇮🇹 Trump to Meloni: In the U.S., if you tell a woman she’s beautiful, your political career is over — but I’ll take my chances. You won’t be offended if I…
Ever wanted to build a B2B SaaS with AI functionality included? Well I have good news for you because i just released my best video yet 👀 Powered by: 🌍 @nextjs 15 App Router 👮♂️ @arcjethq Security (XSS, Rate Limits etc.) 🔒 Authentication & Billing with @HeyKinde 🧠…
Introducing the Gemini 2.5 Computer Use model, our new specialized model that powers agents capable of interacting with UIs blog.google/technology/goo…
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Your Complete Guide To Next.js Authentication With Better Auth
Better T Stack v3 is here 🥳 - fullstack Next.js support - internal packages (api, auth, db) - catalogs with bun and pnpm Try Now! bun create better-t-stack@latest
Announcing my new course: Agentic AI! Building AI agents is one of the most in-demand skills in the job market. This course, available now at deeplearning.ai, teaches you how. You'll learn to implement four key agentic design patterns: - Reflection, in which an agent…
Did you know there’s a right and wrong way to handle Data Access in Next.js? Well in this video I will show you the senior-level approach 🧑🍳
OpenAI just dropped the Apps SDK, built on MCP. This is the future of how users will interact with your apps. You won’t need to build a chatbot anymore. OpenAI is the chatbot. You just expose your tools through MCP. Exciting progress toward Jarvis!
OpenAI dropped 2 massive updates. Agent Builder (in the OpenAI Playground) Apps SDK (inside ChatGPT) Excited for both.
🚨 Introducing the AI Apps 50: Startup Edition Ever wondered how startups are spending their money when it comes to AI? Our team at @a16z worked with @mercury to crunch the numbers and rank the top applications by spend. The list + what we learned from it👇
The BIG Problem With Shadcn UI… 👀 Find out why it might be time to move away from Shadcn UI
Two days ago I made a promise to record a video on how to migrate from @nextjs to @ReactRouter, well, I also added @tan_stack Start as a bonus. I have you covered for whatever framework you want to go to! Find the video here: youtu.be/SrOgvTSbNJ0
New on the Anthropic Engineering Blog: Most developers have heard of prompt engineering. But to get the most out of AI agents, you need context engineering. We explain how it works: anthropic.com/engineering/ef…
since I discovered hono + tanstack I haven’t touched next.js again simple and very easy to deploy anywhere you want!
You can now track your usage in real time across the Claude apps and Claude Code. Head to Settings -> Usage or type /usage in Claude Code. claude.ai/settings/usage
You can pair @v0 + @aisdk to render UI components for user-registered MCP tools Pass an example repo with @shadcn components (or your globals.css), and v0 builds the UI straight from that design system based on the tool results. Early concept using the @kiwicom247 MCP
Tried using #replit (Agent 3) to build a content site while heading into the city. Results. Not good. Asked for a Next.js site. It ended up mixing Vite, Express, Next.js, and I'm nearly out of credits (~$17 out of $25). 😕 It cooks but misses the mark.
Introducing Cursor Learn! My first course is a six-part video series on AI foundations. It's designed for beginners to learn concepts like tokens, context, and agents. If you prefer to read, there's quizzes + AI models to try out. You can watch it in ~1 hour, 100% free!
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