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How to generate real pixel-art scenery for a route with Pixel Path

Spend a set budget on RetroDiffusion art for a route, with the quote shown before any money is spent.

  • Content
  • Intermediate
  • 45 minutes
  • From the README
  • Claude Code

Credentials. The RetroDiffusion API key must be set in your own terminal or Keychain and never pasted into a chat, since the skill never asks for it and never prints it.

Who it is forA content maker or game developer who wants the finished art look and has a RetroDiffusion account with credit.

The problemReal pixel art for a long route is expensive and hard to budget, and a route can need re-rolls when pictures come back cut off or on a background.

The outcomeA route with generated pictures at the level you chose, with the exact cost shown after the bake and a contact sheet for review.

What you need first

  • Claude Code
  • Node 18 or newer
  • Network access while baking (Nominatim, OSRM, Overpass, AWS Terrain Tiles, Wikidata)
  • Optional: a RetroDiffusion account with credit for real art, since placeholders cost nothing

Steps

  1. Create an API key in your RetroDiffusion account.
  2. Set the key in your own terminal with export RETRODIFFUSION_API_KEY=..., or on a Mac run security add-generic-password -s pixel-path -a retrodiffusion -w.
  3. Ask the Pixel Path skill for the route, read the printed estimate, and pick sparse or moderate.
  4. Check the exact quote that comes after the bake before the art is generated.
  5. Allow about 25% extra for re-rolls, then review the contact sheet and the self-check results.

Prompt for your agent

Using the pixel-path skill in the jonwheatley/pixel-path repo, bake a route from <start place> to <end place> at the sparse level after the estimate is shown. Expected output: a route folder with generated pictures and a contact sheet. Verify that the exact quote matches the estimate and that no API key appears in the output or the chat.

Caveat. Art costs $0.18 a picture at rd_pro__default (October 2026), and about 10% to 34% of pictures came back cut off or on a background in testing, so budget about 25% extra.

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