kernelcad-studio-paint

kernelcad-studio-paint is a skill for Claude Code from w1ne/kernelCAD-web. It costs 47 tokens per session (299 once invoked), scanned A, original, MIT.

A review workflow for viewing a kernelCAD model and responding to areas the user paints over in the Studio viewer. It identifies the model parts touched by the painted marks.

In plain words
What is it for?
Show a model, fetch the user's painted review marks, edit only the affected parts, and display the revised model.
Why use it?
It turns visual feedback into targeted model changes instead of requiring the user to describe every location in words.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the kernelcad plugin — 4 skills shipped together

Good fit Show a model, fetch the user's painted review marks, edit only the affected parts, and display the revised model.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/w1ne/kernelcad-web/kernelcad-studio-paint
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add w1ne/kernelCAD-web --skill kernelcad-studio-paint
Clone the repo
git clone --depth 1 https://github.com/w1ne/kernelCAD-web

Made for: Claude Code.

Or install kernelcad, the plugin that ships this one along with the rest of its 4 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for kernelcad-studio-paint

README.md
[![agentmods](https://agentmods.dev/badge/skills/w1ne/kernelcad-web/kernelcad-studio-paint/github.svg)](https://agentmods.dev/skills/w1ne/kernelcad-web/kernelcad-studio-paint)
Your own site
<a href="https://agentmods.dev/skills/w1ne/kernelcad-web/kernelcad-studio-paint"><img src="https://agentmods.dev/badge/skills/w1ne/kernelcad-web/kernelcad-studio-paint/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for kernelcad-studio-paint

Your own site · 80×15
<a href="https://agentmods.dev/skills/w1ne/kernelcad-web/kernelcad-studio-paint"><img src="https://agentmods.dev/badge/skills/w1ne/kernelcad-web/kernelcad-studio-paint.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 299 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00047 $0.00299
Opus 5.5 $0.00019 $0.00120
Sonnet 5.5 $0.00009 $0.00060
Haiku 4.5 $0.00005 $0.00030

Measured 2d ago against content hash 30b09131c592, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

kernelcad-studio-paint scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/kernelcad/skills/kernelcad-studio-paint/SKILL.md · 26 lines

What it actually says

Studio viewer and paint review

Show the model

  • After a green full evaluate_script, call open_in_studio once per project per response and give the user its URL. Reuse that URL; do not call it again in the same response. While meshStatus is building, poll get_project, not open_in_studio.
  • For a later revision call open_in_studio({ project: "<slug>", ... }) once; the new viewer replaces the old one.

Paint review

In Studio the user can paint over the model to mark what to change. Fetch the newest marks with review_paint_peek_latest({}) (pass paths_only: true to skip inline PNGs). The packet holds a screenshot, a red mask and the list of parts the paint hit. Edit only those parts, re-evaluate, and show the revision. If the tool returns empty, ask the user to paint and submit again. This tool is only listed when the server can see the Studio session; if it is absent, ask the user to describe the change in words.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 26 lines · 47 tokens per session scan A 30b09131c592

Subscribe to this mod's changes

kernelcad-studio-paint is a skill published in the GitHub repository w1ne/kernelCAD-web (30 stars, last pushed today), licensed MIT. It adds 47 tokens to every session and 299 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-14.

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