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How to create a Codex pet with no OpenAI API key with Pocket Men with You

Generate a companion through local open-weight editing and avoid hosted image APIs entirely.

  • Content
  • Intermediate
  • 1 hour
  • From the README
  • Codex

Who it is forA privacy-minded developer who does not want to send photos to a hosted image service or manage an OpenAI key.

The problemMost image-to-pet workflows depend on a hosted API key, which adds cost and sends personal photos out of the machine.

The outcomeA companion built on local open-weight neural editing, with the raw references kept on the local machine.

What you need first

  • Two or more reference photos of the subject (the README says raw personal references stay local by default)
  • A Windows machine for the .bat installers, which the README describes
  • Python, the repo language, for the pocketmen CLI
  • An NVIDIA GPU with enough VRAM for the neural engine; otherwise PocketMen falls back to the deterministic v0.2 engine
  • Codex, if you want to use the $pocketmen-with-you skill

Steps

  1. Run INSTALL_SKILL.bat to set up the isolated local runtime.
  2. Run PREPARE_NEURAL_ENGINE.bat to cache the default FLUX.2 [klein] 4B model locally.
  3. Run pocketmen create --reference photo-1.jpg --reference photo-2.jpg --engine neural --backend flux2-klein-4b --quality max, then keep only the installed package for sharing. (inferred, check the README)

Prompt for your agent

Using the repo six-nut/PocketMen-with-you, run `pocketmen create` with --engine neural --backend flux2-klein-4b on the references at <photo-1> and <photo-2>. Expected output: pet.json and spritesheet.webp, with no OPENAI_API_KEY set. Verify that the final package contains only pet.json and spritesheet.webp.

Caveat. The README says the default engine falls back to the v0.2 engine when the GPU or neural runtime is missing, so confirm which engine ran before assuming neural output.

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