Every Agentic Engineering Hack I Know (June 2026)
vibeforge1111/keep-codex-fast: A backup-first Codex skill for keeping local Codex state fast, clean, and recoverable.
Shpigford/chops: Your AI agent skills, finally organized. A macOS app to browse, edit, and manage skills across Claude Code, Cursor, Codex, Windsurf, and Amp.
Agent Skills Cheat Sheet: Complete Reference (2026)
A harness for every task: dynamic workflows in Claude Code
Day one of GitHub Copilot token-based billing and the customers LOVE IT! They're all celebrating the power and value of generative AI!
(21) Tibo on X: "To simplify our Codex compute fleet management, we will be sunsetting GPT-5.2 and GPT-5.3-Codex in Codex on June 2nd when logged in with your ChatGPT account. For free plans, GPT-5.5 will be the default frontier model to build and work with going forward. These models will" / X
With Opus 4.8, you can add system instructions mid-conversation without breaking the prompt cache.
How to Stop Claude Code From Reading Your API Keys, SSH Keys, and Passwords (Exact Deny Rules)
(21) cat on X: "Excited to share our most powerful new Claude Code feature: dynamic workflows! Mention "workflow" in a prompt and Claude will dynamically create an orchestration plan that it strictly follows, allowing you to confidently trust that every stage happens in the right order even https://t.co/ilvthUbr82" / X
(21) OpenCode on X: "OpenCode x MiMo V2.5 - Free for a limited time 1M context • reasoning • text • image" / X
I'm a software engineer with a decade of experience. I vibe code all of my side projects from my phone using Claude Code and don't read any of the code. It's so fun. Here are the rules I follow: : r/ClaudeAI
Claude Code vs Codex vs Cursor (an honest comparison)
(21) Serena Ge (Datacurve) on X: "Today we’re releasing DeepSWE, a new standard for agentic coding benchmarks. On public leaderboards, top models often look relatively close in capability. DeepSWE shows where they actually diverge, reflecting the realistic experience of developers in their day-to-day work. https://t.co/HCDcjNuTFK" / X
Today we’re releasing DeepSWE, a new standard for agentic coding benchmarks.
(21) Povilas Korop | Laravel Courses Creator & Youtuber on X: "AI usage is getting too expensive? Look at the news. - MS is restricting Claude Code usage as their bill went too high https://t.co/Neaxx6zmSk - Uber used their CC yearly budget by April: https://t.co/A7nFhxJRg1 - GitHub Copilot prices skyrocket since June 1st:" / X
We’ve shipped a security-guidance plugin for Claude Code that helps identify and fix vulnerabilities as you’re writing code.
Today we’re announcing our $113M Series B led by @CapitalGVC.
(6) Peter Steinberger 🦞 on X: "Folks: when you write skills, ask your agent to be token efficient, relax grammer. I see too many skills that write books in the skill description, and all that crap is loaded into every context. I wrote a skill that finds the worst offenders. https://t.co/kfaaJpxMXE" / X
(17) James Long on X: "more and more work is moving into coding agents, I don't live in my editor anymore but you gotta keep an eye on these little goblins, they write bad code. so we built a diff viewer in opencode! available now https://t.co/PLRBN50w2W" / X
We are making our discount permanent! 🎉
(2) OpenAI Developers on X: "Codex anywhere and everywhere, all the time. Now your Mac doesn’t have to be unlocked for Codex to use your computer. From your phone, Codex can securely use apps on your Mac, even when the screen is off and locked. https://t.co/PCGK4i7FSF https://t.co/956aAtM3vl" / X
OpenAI on X: Now your Mac doesn’t have to be unlocked for Codex to use your computer.
In the next version of Claude Code: run /usage to see a breakdown of which Skills, Agents, MCPs, and Plugins are using your tokens
Gemini 3.5 Flash is a really interesting release.
(14) Matt Pocock on X: "Anthropic has given us a "dedicated monthly credit" Which, in effect, slashes AFK usage limits of Claude Code by ~5-20X Here's how it affects you: https://t.co/1nCCheqEC4" / X
(14) Povilas Korop | Laravel Courses Creator & Youtuber on X: "Today I was surprised by MiMo-v2.5-Pro AI coding model. It suddenly auto-switched into Plan mode (in Opencode), so when I got back to computer in 10 minutes, planning to review the FINISHED task, it was like "here's the plan, should I go ahead?" For a pretty trivial task. And https://t.co/t0sWvmLv2a" / X
Povilas on X: "MiMo-v2.5-Pro in OpenCode is often auto-switching into Plan mode"
The Claude Code Setup Behind Shopify's 23,000 Engineers (Exact Config You Can Copy)
(21) Cursor on X: "Introducing Composer 2.5, our most powerful model yet. It's more intelligent, better at sustained work on long-running tasks, and more reliable at following complex instructions. For the next week, we’re doubling the included usage of the model. https://t.co/N87ojcXlOC" / X
Cursor on X: "Introducing Composer 2.5, our most powerful model yet."
(13) ClaudeDevs on X: "What are best practices for running Claude Code at scale? New blog post on what we've learned from teams running it across multi-million-line monorepos, decades-old legacy systems, and distributed microservices: https://t.co/rJUYlIUiTT" / X
ClaudeDevs on X: "What are best practices for running Claude Code at scale? New blog post on what we've learned from teams running it across multi-million-line monorepos"
Useful tip to cut time-to-first-token on longer prompts in the API: pre-warm the prompt cache.
ClaudeDevs on X: Useful tip to cut time-to-first-token on longer prompts in the API: pre-warm the prompt cache.
You've been asking for this one...