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Kopiur Design

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
tool:k8s
Design norms and locked decisions for the Kopiur Kopia-native Kubernetes backup operator (Rust/kube-rs). Use when adding or modifying CRD types, reconcilers, the admission webhook, the kopia client/mover, validators, or codegen in this repo — anything under crates/ or deploy/. Encodes the type-safety thesis, the externally-tagged-enum rule, k8s-openapi Eq constraints, the shared-validator pattern, retention/deletion semantics, and the build/test discipline so changes stay consistent with ADR-0003.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Kopiur implements ADR-0003 (docs/adr/0003-kopiur-rust-operator.md): a Kopia-native Kubernetes backup operator in Rust on kube-rs. Read ADR-0003 for intent; ADR-0001 §3.2–§3.7 for the authoritative CRD field surface; CLAUDE.md for the quick map; docs/dev/api-conventions.md for the encoding rulebook.

What this skill does

Kopiur Design is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/kopiur-design/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when adding or modifying CRD types, reconcilers, the admission webhook, the kopia client/mover, validators, or codegen in this repo — anything under crates/ or deploy/. Encodes the type-safety thesis, the externally-tagged-enum rule, k8s-openapi Eq constraints, the shared-validator pattern, retention/deletion semantics, and the build/test discipline so changes stay consistent with ADR-0003.

Who uses this skill

The Kopiur Design 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 151,000+ 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/kopiur-design
curl -L https://claudskills.com/skills/kopiur-design/SKILL.md \
  -o ~/.claude/skills/kopiur-design/SKILL.md

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

Skills live at ~/.claude/skills/kopiur-design/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\kopiur-design\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 Kopiur Design Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/kopiur-design/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Kopiur Design skill do?
Design norms and locked decisions for the Kopiur Kopia-native Kubernetes backup operator (Rust/kube-rs). Use when adding or modifying CRD types, reconcilers, the admission webhook, the kopia client/mover, validators, or codegen in this repo — anything under crates/ or deploy/. Encodes the type-safety thesis, the externally-tagged-enum rule, k8s-openapi Eq constraints, the shared-validator pattern, retention/deletion semantics, and the build/test discipline so changes stay consistent with ADR-0003.
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 Kopiur Design skill?
Use Kopiur Design when your Claude Code task falls under the Engineering category — specifically in the backend 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 Kopiur Design" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Kopiur Design 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. Kopiur Design 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
home-operations. (2026). Kopiur Design [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/kopiur-design/
BibTeX
@misc{kopiur-design-2026,
  author    = {home-operations},
  title     = {Kopiur Design [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/kopiur-design/}
}

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Security scan

Grade A · scanned 2026-07-15 — 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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