George Millo

Codex for Claude Code Users Heard good things about Codex and want to give it a try? Here's a cheat sheet to smooth the transition from Claude Code: Basic setup + usage Rename CLAUDE .md to AGENTS .md. Add a new CLAUDE .md whose contents are just `@AGENTS.md`. Now both apps will read the same instructions. The following things are the same in both apps: - Ctrl+C to clear current input. (Double Esc also clears input in Claude but not Codex.) - Double Esc opens chat history browser if text input is empty. - /init to generate starter AGENTS/CLAUDE md file. - Ctrl+g to edit prompt in your default $EDITOR - Ctrl+v to paste an image. - !command to execute a shell command directly (skipping the LLM) - `/model` to switch the current model. When viewing chat history, jump between messages with left/right arrows in Codex (up/down in Claude.) Codex doesn't yet have an equivalent of Claude's "stash prompt" (ctrl+S) or reverse history search (ctrl+R). In Claude use opt-T (alt+T on Windows) to toggle thinking mode. Codex doesn't have a separate "thinking mode" toggle; instead you configure thinking when selecting the model with `/model`. Resuming/browsing old sessions `claude --resume` → `codex resume` (or `/resume` in either app) `claude --continue` → `codex resume --last` `claude --resume ` → `codex resume `. `claude --resume --fork-session` → `codex fork `. Steering vs queuing Codex lets you "steer" the model's output like Claude: send a new message with Enter while the previous response is still generating, and it'll be added to the ongoing reasoning; the model sees your message immediately and can adjust what it's doing mid-response. Unlike Claude, Codex also lets you queue new messages. Send them with Tab instead of Enter and Codex will wait until the current response is fully complete instead of injecting them immediately. Permissions Codex has a "plan mode" similar to Claude's. Like Claude you can activate plan mode using shift-Tab. (Alternatively use `/plan`) `claude --dangerously-skip-permissions` = `codex --dangerously-bypass-approvals-and-sandbox` (or equivalently `codex --yolo` 😎) Skills, Hooks, MCP Codex skills go in `~/.codex/skills`. Claude Code skills go in `~/.claude/skills`. Trigger a skill with `/skill-name` in Claude Code, `$skill-name` in Codex. Codex doesn't have any equivalent to Claude's hooks. MCP servers work similarly in both apps, e.g. `codex mcp add` vs `claude mcp add`; use `/mcp` to manage your installed MCPs in either app. ---- Let me know if I've missed anything! x.com/craigzLiszt/st…

Going live tomorrow at 10 AM MT 🎙️ @georgemillo joins me to talk agentic coding — LLM workflows, building AI agents, and his experience at Gauntlet AI. 1.5 hours of real talk on where AI-assisted dev is headed. 📅 Mar 20 @ 10 AM Mountain #agentic #llm #myelixirstatus

@jacob_luetzow Looking forward to it!

@LostinAylesbury @BenGrahamUK No no no please don't build roads out of Aylesbury I don't want them coming here

@BenGrahamUK 1.8 miles of road in Aylesbury have cost of £200 million and taken a decade

£1.5 billion for 21 miles of road. That’s £70 million per mile for the A14 Cambridge–Huntingdon upgrade. No tunnels. No megacity constraints. Just standard infrastructure. This is why nothing gets built in Britain anymore.

@OscarBarbera7 @rocknrollofall Be gone, bot

This Australian comedy band destroyed the myth of complexity in pop with just four chords and a healthy dose of irony. 🎸 🤔 Fun fact: The sketch is called "4 Chords" by the band The Axis of Awesome. The most incredible part is that they use the I-V-vi-IV progression (G, D, Em, C) to blend over 40 global hits into a single mashup. The video went so viral that many fans of the songs featured—from Journey to Lady Gaga—only then realized their favorite anthems shared the exact same musical DNA. 🎤 Did you know? 🤯

He claimed every pop song is the same and then proved it in the most legendary way possible.

@tompfoster @TheBrightonTory @andy4wm In Rory Stewart’s uninteresting book he indirectly admits (with a characteristic lack of self-awareness) that he’d have preferred to run for the LibDems and only joined the Tories because they were more likely to give him a ministerial position. Zero seats

@TheBrightonTory @andy4wm Why are they so desperate to hang around in the Conservative party? Why don't they do the honest thing and bugger off to the Lib Fems 🤷

Iftars across the West Midlands brought people together across faiths and communities. Open, shared, and rooted in common values - that is the kind of country we should champion.

Hundreds of millions of taxpayer pounds vanishing into thin air with nothing to show for it. When it happens in Africa we call it "corruption", when it happens in Britain we call it "consulting stakeholders".

@technopopulist You weren't before? What changed?

Good news for my followers: I’m now free to say exactly what I think. And there’s nothing more dangerous than someone with nothing left to lose.

@JessicaTheGreen If you can't fuck a 10, you can fuck five 2s.

Don't hate me for this but, I don't buy "poly" relationships. I think its just uglies grouping up for survival.

The slippery slope is always real. It’s just that by the time you’re at the bottom of it, in the destination you were promised we’d never arrive at, progressives are arguing that’s always where we wanted to end up and it’s a good thing we’ve arrived.

I meant this completely unironically:

@pressgazette Translation: boo-hoo we're not censoring enough, maybe if we clamp down harder then the public will stop hating us

Culture Sec Lisa Nandy is “really concerned” about the efficacy of press regulator IPSO She questioned: “If only 1% of complaints are upheld and nobody has ever been fined, is that because everything that is produced by the press in this country is 100% true and accurate...?"

Celebrity culture is at a historic nadir. Normal people reading about the Vanity Fair Oscar Party won’t think, ‘Wow! That sounds glamorous.’ They’ll think, ‘That sounds awful! I’d rather have a hole drilled in my face than be there!’

@Mykuhl @jonatanpallesen exactly

@georgemillo @jonatanpallesen You can see Japan/Britain from the continent. You can't see Madagascar from mainland Africa.

It's an interesting fact of human history that we have these two similar sized islands, Japan and the UK that are close to a mainland, and have had outsized influence and power throughout history compared to their size. Having an island of a certain size or above separated from the mainland really seems like a powerful starting position. Both held their own historically against the significantly larger continental rival (France, China). Madagascar and the southern African mainland present a similar geographical arrangement, but it hasn't had the same historical importance.

@labourpress @annaturley @grok remind everyone of how the Labour Party enabled and covered up the mass rape of thousands of working-class white girls

Labour is calling on Kemi Badenoch to sack her Shadow Justice Secretary over his appalling online remarks about Muslims. @annaturley has written to the Tory leader👇

@TobyDurant @mindofprospect It's one of the best ex-polys.

@mindofprospect The irony is that Brookes is actually excellent in a few areas. It sends an outrageous number of people into F1 for example

Oxford Brookes graduates kill me. You ask them where they went uni and they always leave out the “Brookes” part

@fishing4boots @mindofprospect Brookes isn't even that bad, people assume it's shit because they compare it to Oxford, but it's one of the better ex-polys.

@mindofprospect My cousin tried that shit with me, claiming she was going to a better uni - turns out she went to Brookes and I went to a uni that's shit for most things, but top 3 in Europe for my particular subject, which was nice.

@EverFurther @mindofprospect That is wildly untrue. If you say "at Oxford" that 100% unambiguously means OU and not Brookes unless you're deliberately trying to mislead people.

@mindofprospect How many reply "University of Oxford"? Your question is not precise enough, with "Oxford" being the name of a town, not the name of a university. "Which University did you go to?" removes the ambiguity...

@anotherfish759 @mindofprospect I am from Oxfordshire and this is my experience too. Although I did once know a guy who told people he went to "the Cambridge School of Art" and quite clearly hoped you thought this meant Cambridge University and not Anglia Ruskin

@mindofprospect This isn’t my experience at all. I generally find they are at pains to highlight it wasn’t actual Oxford in case you think it was and then find out later..

@NLB_35 @DefiantLs If schools were leaving loaded guns around where kids could pick them up then you might have a point.

@DefiantLs No one forces kids to read this books. There is a difference between reading and yelling loudly in a public forum. People are more passionate about a book with bad words than guns used to kill kids in the classroom. If you support banning books but not guns, take a step back.

"Your language is inappropriate." "It's in your library!" You can't make this up.

Root causes, compassion and empathy. Haha, just kidding. Take the, like, 300 guys committing all the crimes everywhere and put them in jail forever. That's literally it. That's the fix.