Most people are trying to get better results from coding AI agents by using more advanced prompts. The real improvement often starts with understanding the basics.

Swipe through for the highlights, then read the full post on our blog.

🔗 bit.ly/3PqVyfX

#Codeminer42 #AI #Agents

[Dev Weekly #107] Claude Opus 4.7 & Claude Design, Anthropic Ejects Bundled Tokens, Rust 1.95.0 with new superpowers and AMD GAIA Unleashes Local AI Agents - The Miners Hey everyone, the latest Dev Weekly is out! Anthropic releases Opus 4.7, drops bundled tokens, AMD GAIA powers local AI agents, Java 26, OpenSSL 4.0 & more.

Big week in tech: Claude Opus 4.7, Android’s AI toolkit, Java and Rust updates, new enterprise AI pricing, and Spotify’s secrets for shipping at scale. Explore all the details in our latest DevWeekly!
bit.ly/41KhMg2
#TechNews #Claude #AI #Opus #Rust #Amd

Jujutsu (JJ): An Alternative to Git? Jujutsu proposes to be simpler yet more powerful than Git. But is it worth switching? Let's find out. - The Miners Jujutsu (JJ) proposes to be simpler yet more powerful than Git. But is it worth switching? Let's find out.

Exploring alternatives to Git? Our new post covers Jujutsu (JJ), a tool designed to simplify version control and offer powerful new workflows. Dive into the details and see if JJ is right for you!

#VersionControl #JJ #Jujutsu

ActiveAgent: building AI Agents the Rails-way Building AI agents is becoming more popular—we have more and more apps powered with AI, and a lot of gems to add them to Rails-powered projects. On this week's brownbag, we explore how to build AI…

Building AI agents is becoming more popular—we have more and more apps powered with AI.

João Malheiros will show you how to build agents on Rails using the gem ActiveAgent.

"ActiveAgent: building AI Agents the Rails-way"
Live today at 12:30 BRT

bit.ly/4tOp1PQ

Building WordPress Multilingual Plugin with Claude Code - The Miners The author built a multilingual WordPress plugin in 2 days after Polylang broke a few things in our blog. AI-powered and seamless translation for tech posts.

Edy Silva built a multilingual plugin in two days using Claude Code. Even with 150+ tests, we found that production is where the real bugs hide. Here is what we learned: bit.ly/4tu3ewZ

#WordPress #ClaudeCode #TDD

Hello there! 👋

Here is the brownbag calendar for this month.

Subscribe to Codeminer42TV and be sure to don't miss a thing!

bit.ly/48Ih3zc

Our team keeps growing! 💎

We're excited to welcome Bruno Hoffmann to Codeminer42 as our newest Software Engineer.

Welcome aboard, Bruno — great things ahead! 🚀

#Codeminer42

Stop Putting Best Practices in Skills - The Miners CLAUDE.md ensures guidelines are always followed; skills are for on-demand workflows. Superpowers works by bypassing skill invocation limits.

Skills have a massive "activation gap" - they are often ignored. The fix? Use bit.ly/3Q3Imy7 for guidelines and skills for specific recipes.

Data from our multi-turn evals here: bit.ly/4sw6hUp

#ClaudeCode #AI #DevTools

[Dev Weekly #106] Project Glasswing Unveiled, GLM-5.1 Runs 8-Hour Coding Marathons - The Miners Hello everyone, Dev Weekly is out! Anthropic’s Glasswing arms AI against zero-days, GLM-5.1 conquers marathon coding tasks & more. Pure gold for devs!

New Dev Weekly: Project Glasswing brings together tech giants for AI-powered security. GLM-5.1 sets a new bar for coding agents, and Google unveils Scion for agent orchestration. Catch the latest releases and stories—read the blog!

Why You Should Vibe Code More, by Paulo Vilarinho AI-assisted development is changing the way we build. In this video, we talk about why more developers should embrace vibe coding — using AI to move faster, stay creative, and spend less time…

AI-assisted dev is changing how we build.

Paulo Vilarinho will explain you why vibe coding helps you to be the dev of the future - plus practical tips to level up your workflow.

"Why you should vibe code more"
Live today at 12:30 BRT

Tropical on Rails starts this Thursday — and we’ll be there! 🌴💎

Codeminer42 will be part of the event with a keynote by Fabio Akita, talks by Talysson Oliveira and Miguel Marcondes, and more of our team on site.

If you’ll be there too, come say hi — we’d love to meet you in person. 🚀

Building a Practical AI Agent with RAG, MCP, and Ollama How I built (and iterated on) a production‑ready AI agent that actually works with real data - The Miners Learn to build reliable AI agents using RAG, MCP, and Ollama. Discover best practices for grounded, maintainable, and low-hallucination solutions.

New post in our blog! 🤖

Building better AI agents? Explore how RAG, MCP, and Ollama work together for smarter, grounded, and more reliable solutions.

bit.ly/4aFoc4e

#AI #AiAgent #MachineLearning

AI TIP: Running Two Claude Code Accounts How to use CLAUDE_CONFIG_DIR and bash aliases to run multiple Claude Code accounts simultaneously without logging out. - The Miners Easily run two Claude Code accounts on one machine. Switch between work and personal accounts instantly, no logging out required!

New post in our blog!

Juggling work and personal Claude Code accounts? Learn how to run both on one machine! No more logging in and out!

bit.ly/4bQRRsO

#Ai #Claude #Config #Productivity #Tips

Complying with privacy laws like GDPR and LGPD is non-negotiable, but most teams struggle to turn legal requirements into actual code.

We just open-sourced 3 Agent Skills for building privacy-compliant Rails apps.

bit.ly/4sCljZG

#gdpr #lgpd #privacy #rails #privacybydesign

The Agent Isn’t the Problem, You Are My process to remove frustration from agentic engineering - The Miners This blog post explores practical strategies, personal lessons, and real-world experiments in agentic engineering.

Want your AI coding agents to reflect your unique approach? Check out my new article for hands-on tips and insights on shaping agent behavior!

bit.ly/4bxmkw8

#AI #SoftwareDevelopment #AgenticEngineering #Innovation

Fabio Akita, co-founder and advisory board member at Codeminer42, will be a keynote speaker at Tropical on Rails 2026.

A long-standing reference in the developer community, Akita has been playing an important role in shaping discussions around AI and software engineering.

#Codeminer42 #TechEvents

[Dev Weekly #103] NVIDIA DLSS 5 Rewrites Graphics | Leanstral’s Lean Revolution | AI in Node.js Core Sparks Debate - The Miners Explore the latest in tech: AI tips, NVIDIA DLSS 5, open-source tools, security alerts, and major releases in JavaScript, Rust, React, and Ruby.

NVIDIA DLSS 5 just brought Hollywood VFX quality to real-time games. A tiny 6B AI model (Leanstral) is beating Claude Opus at formal theorem proving. Next.js 16.2 is 400% faster. Wild week for shipping actual breakthroughs.

bit.ly/4t3Bdfv #DevWeekly #Graphics #AI

Another Codeminer42 engineer on the #TropicalOnRails 2026 stage!

Miguel Marcondes was selected to present “What Works (and What Doesn’t) with ActiveRecord::Tenanted and SQLite”, a deep dive into Basecamp’s new approach to multi-tenant Rails applications.

#Codeminer42 #TropicalOnRails #TechEvents

We’re happy to support GURU-PI once again, an event dedicated to the Ruby community in Piauí. 💎

Events like GURU-PI play an important role in strengthening local developer communities and sharing knowledge across the ecosystem.

For event details, follow guru_pi on Instagram!

#Codeminer42

[Dev Weekly #102] Claude launches automated PR reviews, new Node.js release and Vite 8 Speed Boost - The Miners Hello everyone, the latest Dev Weekly is out with TypeScript 6 RC, Vite 8, Claude’s AI code review, and how AI is becoming infrastructure for software.

Friday's back and so is our Dev Weekly!

Claude launches automated PR reviews, the latest Node.js release drops, and Vite 8 brings a serious speed boost. Devs, it’s a great week for productivity and performance!

bit.ly/4uy74Xk

#AI #Claude #CodeReview #NodeJS #Vite8

Figma MCP Builds Exactly What You Ask – Nothing More - The Miners Real-world experiments with Figma to code: 2 different approaches and what actually works, where it falls short.

We tested Figma's MCP for design-to-code. It's literal: ask for HTML, get one file. Ask for React, everything goes in App.jsx. Works well if you're specific, but don't expect best practices. Visual output is accurate, though.

bit.ly/47FH0iS

#WebDevelopment #FigmaDesign #AI

30 Minutes Deploy with Kamal - No DevOps Required, by Alexandre Camillo Acesse nosso site e conheça nosso serviços: https://codeminer42.com/ Faça parte do nosso time: https://www.codeminer42.com/careers Fale conosco: https://www.codeminer42.com/#talk-to-us Nos siga nas…

🚨Brownbag alert!!!!!🚨
From development to production in 30 minutes? Yes, really.

Learn how Kamal helps developers ship apps faster without complicated infrastructure. Alexandre Camillo shows us how in:

"30 Minutes Deploy with Kamal – No DevOps Required"
Live today at 12:30 BRT

Hello there! 👋

Here is the brownbag calendar for this month.

Subscribe to Codeminer42TV and be sure to don't miss a thing!

bit.ly/48Ih3zc

Our team keeps growing! 💎

Recently, we welcomed Thiago May and Johnatas Rabelo as software engineers.

Together, they strengthen our engineering capabilities across backend, infrastructure, and modern software architecture.

Welcome to Codeminer42 — excited to have you both building with us! 🚀

Five Things Your Coding AI Agent Wishes You Understood - The Miners Most people using coding agents have no idea how they actually work. No magic, no sentience - just prompts, tools, context, and memory. Understanding that changes everything.

New post in our blog!

Tired of your coding agent "forgetting" things? It's just context limits at work. Learn the basics of prompting and context to get the best from your AI!

#AI #AgenticEngineering #PromptEngineering

Thinking About Adding AI to your Expo React Native App? Read This First How to Avoid Costly Pitfalls When Building AI Features in React Native - The Miners Discover real challenges and key lessons from building an AI-powered mobile app with Expo and React Native -- covering security, costs, and architecture.

New post in our blog! 🚀

Building an AI-powered app with Expo & React Native? Here’s what we learned about security, costs, and architecture!

bit.ly/4sj7jDr

#AI #ReactNative #Mobile #Expo

[Dev Weekly #101] GPT-5.4, Google CLI, MCP is dead (?), Vite ecosystem updates, Dinero.js lib is back - The Miners Hello everyone, the latest Dev Weekly is out with GPT-5.4, AI coding debates, Vite ecosystem updates, new Node.js releases, and tools shaping developer workflows.

We're back with another Dev Weekly this Friday! 😅

GPT-5.4 is here, Google CLI gets smarter, Vite ecosystem gets a boost, and Dinero.js is back in action. Stay ahead with the latest in dev tools!

bit.ly/4rUldMu

#GPT54 #GoogleCLI #Vite #DineroJS #WebDev

Figma Code to Canvas: What the Demo Didn’t Show You - The Miners Discover how Figma and Anthropic’s Code to Canvas lets you turn live UIs into editable Figma frames -- with real layers, auto-layout, and editable text.

New post in our blog!

Check out our hands on venture into Figma and Anthropic's integration "Code to Canvas" and take aways from a developers perspective!

bit.ly/40OinwE

#WebDev #AI #Figma #Claude

Codeminer42 has been recognized by Clutch as:

🏆 Top Ruby on Rails Developer — São Paulo 2026
🏆 Top React Developer — São Paulo 2026

This recognition reflects the strength of our engineering culture and the consistent results we deliver to our clients.

A great milestone — and more to come. 🚀