Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / cloud-platforms

Card Tones

Category: Engineering  ·  Sub-category: cloud-platforms  ·  Last updated:
type:review
Render the clawback share card in BOTH tones (neg + pos) as a DESIGN render-only proof — NOT a benchmark result — so the share-card atmosphere (deep-purple LENS_CORE centre, win-only cyan corona, darkened gradients) can be eyeballed in one pass. neg uses a real run's amber regression card (purple core, no corona); pos is a SYNTHETIC fixture built only to exercise the renderer's win branch (purple core + cyan corona) — its number is fabricated, never published. Delegates to the shared preview_card.sh. Use when tweaking the share-card renderer's visuals and you want to see both tones side by side.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Run .skills/card-tones/scripts/preview_card_tones.sh from the project root. It renders the share card in both tones so a renderer change can be eyeballed in one pass. Design proof only — neither card is a publishable result.

.skills/card-tones/scripts/preview_card_tones.sh <neg-run-dir> <out-dir>
# e.g.
.skills/card-tones/scripts/preview_card_tones.sh runs/L0-headline-haiku /tmp/cardcheck

What this skill does

Card Tones is a community-contributed Claude Code skill in the cloud-platforms sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/card-tones/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when tweaking the share-card renderer's visuals and you want to see both tones side by side.

Who uses this skill

The Card Tones Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 174,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/card-tones
curl -L https://claudskills.com/skills/card-tones/SKILL.md \
  -o ~/.claude/skills/card-tones/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/card-tones/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/card-tones/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\card-tones\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Card Tones Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/card-tones/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Card Tones skill do?
Render the clawback share card in BOTH tones (neg + pos) as a DESIGN render-only proof — NOT a benchmark result — so the share-card atmosphere (deep-purple LENS_CORE centre, win-only cyan corona, darkened gradients) can be eyeballed in one pass. neg uses a real run's amber regression card (purple core, no corona); pos is a SYNTHETIC fixture built only to exercise the renderer's win branch (purple core + cyan corona) — its number is fabricated, never published. Delegates to the shared preview_card.sh. Use when tweaking the share-card renderer's visuals and you want to see both tones side by side.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Card Tones skill?
Use Card Tones when your Claude Code task falls under the Engineering category — specifically in the cloud platforms area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Card Tones" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Card Tones skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Card Tones is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
zapgun-ai. (2026). Card Tones [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/card-tones/
BibTeX
@misc{card-tones-2026,
  author    = {zapgun-ai},
  title     = {Card Tones [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/card-tones/}
}

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Security scan

Grade A · scanned 2026-08-02 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
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