codex tip that sounds obvious but somehow isn't: if you want it to do something, just ask it if it keeps messing up the same thing, ask it to remember what to avoid next time tell it what good looks like and what context it should use you'd be surprised how often this works…↗

AI observability is active observability Today, Topics is GA. On the surface, it looks simple. It assigns a few short summaries to every trace, then clusters them automatically. Isn't that a solved problem? In an industry flooded with futuristic workflow promises, we've been fa…↗

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been asking others at Anthropic how they stay in the loop with Claude and fully understand the work being done this is one of my favorites from Suzanne:↗

Some tips to help agents understand your codebase: 1. The source code either needs to be the source of truth, or have something legible as a path to the source. For example, if marketing site content is actually stored in a CMS, you need to either delete the CMS and move that co…↗

OpenAI frontier models and Codex are now generally available on AWS, giving enterprises a new way to build on Amazon Bedrock with OpenAI through the security, compliance, and governance workflows they already use. This is also the beginning of a broader expansion of OpenAI capab…↗

We just released the Codex Python SDK 🔥 You can now embed Codex directly into your Python apps and workflows! > Start threads > Run turns > Stream progress > Resume sessions > Pass images > Control sandbox access All whilst reusing your existing Codex auth. pip install op…↗

New component: AskUserQuestions - Clear affordance between single select and multi select - Keyboard powered - Seamless "other" option - Fluid Functionalism's proximity hover - Inline or stacked descriptions - Motion and subtle animation just on what matters Open source: Link in…↗

Today's Training Data episode takes us BTS on the infrastructure challenges required to do large RL runs at scale, featuring @ellev3n11 (Composer Lead at @cursor_ai) and @dzhulgakov (Co-Founder at @FireworksAI_HQ). The Cursor team trained Composer 2 on Fireworks by starting with…↗

We’ve shipped a security-guidance plugin for Claude Code that helps identify and fix vulnerabilities as you’re writing code. Available for all Claude Code users. Install from the plugin marketplace (/plugins).↗

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.↗

Excited to release 🌟Polar🌟, our Agent RL rollout infra for real-world harnesses. Be it Codex, Claude Code, OpenClaw, Hermes, or your self-made ones 🔥 -- Polar takes your harnesses directly as training environments without code change. Find a problem, design the harness, and…↗

Codex, Claude Code, and Cursor are all great tools. They're also much more different than you think. I did a comparison of the three, but not in the usual way. I went deep on how they differ philosophically.↗

From the board to building the Software Factory Why I’m joining Factory.ai from venture Four years ago, I decided that the best way to fix engineering wasn't to continue leading an AI team, but to shift to[ venture and prove that engineers could redefine capital flow to solve t…↗

the basic trick to using Claude Code for non-technical work is to put a bunch of files in a folder and tell it can write scripts + make HTML↗

Introducing Mainframe: turn agent work into videos your team can keep up with.↗

Over 1 billion PDFs are created every day, but your agents still can’t read them reliably. Today we’re releasing Parse 2.0, the most accurate document parsing API in the world. Extend already processes millions of pages daily for leading AI teams like Brex, Mercury, Opendoor,…↗

Software After Software 1. Everything is changing. 1.1. We are in the midst of a transformation so large that nearly everything we assumed to be true about how software and business work must be rethought. 1.2. It will take years to play out. 1.3. The end game is not yet appa…↗

More musings after some people got upset about the word clanker. lucumr.pocoo.org/2026/5/26/clan…↗

My biggest takeaways from @danshipper: 1. The future of work will happen inside Codex or Claude Code. Instead of putting AI into your SaaS tool, you’ll use your SaaS tools inside your favorite AI agents' in-app browser. Dan spends all his time in Codex now—writing documents, man…↗

Anthropic co-founder Chris Olah was invited to speak at today's presentation of Pope Leo XIV's encyclical "Magnifica humanitas." Read the full text of his remarks: anthropic.com/news/chris-ola…↗

In case you didn't get a chance to explore the doc site I built for glimm.dev - it's a react library for shader-driven page transitions↗

When i was creating my website i couldn't find a simple well designed video player so i created mine, I decided to open source it and spent the weekend working on it. I hope you enjoy it like i do, simpleplayer.grizz.fyi↗

codex prompt tip 13 "read my past 400 slack messages, identify my personas and make a skill on how to message people one each one, then do the same thing for emails and twitter so you jnow how to write in my voice"↗

How to use Codex's computer use in EU for europoors better than nordvpn - download Tailscale on your device(s) - go to settings - configure mullvad - pay 5$ a month - set exit node US based - now you have a VPN for each node - Albania for ur tv (no ads on entire home network)↗

Has been a while since I wrote about agentic engineering, so this time around some learnings of maintaining Pi as a junior maintainer to @badlogicgames :) lucumr.pocoo.org/2026/5/24/pi-o…↗

Anthropic onboarding day: Michael Scott introducing Karpathy like he just signed Wemby in free agency.↗

My conversation with @RickRubin 0:00 Less Is More But Harder 2:00 Def Jam From The Dorm Room 4:00 Capturing Club Energy On Record 6:00 Going Deep On Influences 12:30 Why Reduced By Rick Rubin 14:00 Beatles Structure Meets Rap 16:00 The Ruthless Edit 19:30 Eminem: The Most Obsess…↗

"We used to say build the MVP. Now you should build the system that builds the MVP first." Here's my new episode with @ryancarson where he shared how he runs his startup solo with AI agents: ✅ OpenClaw as his AI chief of staff to triage emails, book meetings, and do sales outre…↗