Have Claude Code write a Nix flake for software that won't run on NixOS
He points Claude Code at software that has no Nix package and asks for a Nix shell or flake. It usually works out the dependencies within minutes. He did the same to move ComfyUI off Conda.
Source
techjamie on Hacker News · 2026-10-20
Written in our own words. Credit to the original author. Link checked 2026-10-23.
What they did
He points Claude Code at software that has no Nix package and asks for a Nix shell or flake. It usually works out the dependencies within minutes. He did the same to move ComfyUI off Conda.
Result (as claimed)
ComfyUI now runs in a plain Nix shell with his NVIDIA GPU recognized.
Tools they used
Cost: Claude Code: from $17/mo.
Set it up
Pick a contained repo or task
Start on a branch or side project where mistakes are cheap.
Install and configure
Set up Claude Code, Nix, ComfyUI. Read what it can run on your machine and limit permissions where possible.
Run it on a real task
Give it a well-scoped issue and let it work. Review the diff like any pull request.
Add guardrails
Keep tests and CI in the loop, and never let an agent push to main or touch production secrets unattended.
Copy the full setup prompt
Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.
You are helping me set up this AI use case end to end in Claude Code. Goal: Have Claude Code write a Nix flake for software that won't run on NixOS What the original author did: He points Claude Code at software that has no Nix package and asks for a Nix shell or flake. It usually works out the dependencies within minutes. He did the same to move ComfyUI off Conda. Reported result (as claimed by the author): ComfyUI now runs in a plain Nix shell with his NVIDIA GPU recognized. Source: https://news.ycombinator.com/item?id=50168368 Tools they used: Claude Code, Nix, ComfyUI Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Codex. Goal: Have Claude Code write a Nix flake for software that won't run on NixOS What the original author did: He points Claude Code at software that has no Nix package and asks for a Nix shell or flake. It usually works out the dependencies within minutes. He did the same to move ComfyUI off Conda. Reported result (as claimed by the author): ComfyUI now runs in a plain Nix shell with his NVIDIA GPU recognized. Source: https://news.ycombinator.com/item?id=50168368 Tools they used: Claude Code, Nix, ComfyUI Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Have Claude Code write a Nix flake for software that won't run on NixOS What the original author did: He points Claude Code at software that has no Nix package and asks for a Nix shell or flake. It usually works out the dependencies within minutes. He did the same to move ComfyUI off Conda. Reported result (as claimed by the author): ComfyUI now runs in a plain Nix shell with his NVIDIA GPU recognized. Source: https://news.ycombinator.com/item?id=50168368 Tools they used: Claude Code, Nix, ComfyUI Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
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