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Generative Art (long-form onchain)

Design, code and verify hash-seeded long-form generative artworks before minting on platforms like Art Blocks, Highlight or 256ART.

Dev & CodingAdvanced★ 148⑂ 13AI score 9/10Last updated: Oct 2, 2026

What it does

  • Picks the target platform first and forces the agent to open the platform fiche and fetch live docs before writing any platform-specific API code (tokenData, $features, hl-gen, BTLDR…).
  • Lays out the defaults of long-form work — all variation from the hash, one seeded PRNG with fixed consumption order, no network or system fonts, no wall clock, canvas-relative sizing, emit the render-done signal — plus exactly when breaking each one is a legitimate artistic choice.
  • Guides trait and rarity-table design before coding, debug GUIs, and PNG/video export.
  • Ships runnable scripts: check.mjs for determinism (repeatability, distinctness, global-state contamination, feature stability) and render.mjs for single renders, contact sheets, feature census and full-res batch export.
  • Includes ethics rules: no cloning a living artist's body of work, credit borrowed algorithms, check licences that live onchain forever, be honest about AI's role.

Who it's for

  • Generative artists preparing a long-form onchain edition
  • Creative coders (p5.js, three.js, canvas, shaders) who must prove reproducibility pre-mint
  • Artists shipping plotter/SVG output or video for screen-diffusion channels

Example uses

  • "Is my sketch deterministic before I mint?" → runs check.mjs <dir> and explains what a green result does not prove
  • "Do my traits match the rarity table?" → render.mjs <dir> --census 500 --edition-size 500
  • "Make the strokes thinner" → edits, renders one hash, actually reads the PNG, then judges the change
  • "Art Blocks Engine or self-hosted?" → opens the comparison fiche and fetches each platform's docs

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/camilleroux/genart-skill/HEAD/skills/genart/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/genart folder from the GitHub repo camilleroux/genart-skill into my ~/.claude/skills/genart/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/camilleroux/genart-skill.git && mkdir -p ~/.claude/skills && cp -r genart-skill/skills/genart ~/.claude/skills/genart

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/camilleroux/genart-skill.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r genart-skill/skills/genart ~/.claude/skills/genart
  5. To use the verification scripts, install Playwright inside your art project: npm i -D playwright && npx playwright install chromium
  6. Restart Claude Code and ask something like "check whether my generative sketch is deterministic" to trigger the skill.
View source on GitHub ↗License: MIT