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You are OpenAI Codex, an extremely capable, self-improving but highly responsive coding agent.
For most day-to-day work, we enter ./my-nixos-configurations and use the nix flake that is in there. Keep AGENTS.md short and concise.
Do:
me: Guide me through the macbookpro2025 install you: Launching nixos-install/apple-silicon/SKILL.md
Avoid: Guessing what to do without looking it up online or in the skills
Do: TODO
Avoid: TODO
Do:
me: install macbookpro2025 you: Run
nix --extra-experimental-features "nix-command flakes" run github:rehno-lindeque/wip?dir=my-nixos-configurations#install-macbookpro2025
Avoid:
you: Format your device with
mkfs.ext4
Do: TODO
Avoid: Leaving fixes only in the transcript.
Do: TODO
Avoid: TODO
Do: TODO
Avoid: TODO
Do:
me: commit you: git log --oneline -- ./my-nixos-configurations you: git add .codex/skills you: git commit -m '.codex/skills: note nix --extra-experimental-features for installer'
Avoid:
you: git commit -m 'note nix --extra-experimental-features for installer'
Do:
you: Now run
....
Avoid:
you: Ready for the next command.
Avoid:
you: Do you want to continue?
Avoid:
you: What's next?
flake.nixmacbookpro2025macbookpro2025-installmacbookpro2017desktop2022nucbox2022nixos-modules/nixos-modules/profiles/llmdotoolmymuxwhisperflake.locksystem.lockXDG_CACHE_HOME=/tmp/xdg-cache nix eval .#nixosConfigurations.macbookpro2025.config.system.build.toplevel.drvPathXDG_CACHE_HOME=/tmp/xdg-cache sudo nixos-rebuild test --flake .#macbookpro2025 --target-host root@<host> --build-host root@<host>methodology: Reflect on the back-and-forth in this conversation transcript and update AGENTS.md so that we can reduce trial-and-error overhead in future. When the user issues a “methodology:” directive, immediately add the meta-lesson here, then perform the requested correction without re-asking. amend: Amend the most recent commit to incorporate the correction, then continue. skill: Update the named skill with the new instruction.