Sign Artifact

Q: What is a Claude Code skill and how does the Sign Artifact 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. Sign Artifact is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: devops · Last updated: 2026-07-15

tool:docker

Add an Artifact Signing (SscaArtifactSigning) step to an existing Harness pipeline to Cosign-sign container or local-stage artifacts with keyless, key-based, or Vault signing. Supports Third-Party registries (Docker, ECR, GCR, GAR, ACR), Harness Artifact Registry (HAR), and Harness Local Stage artifacts. Place after image build/push; optionally upload .sig to the registry. Only works with existing pipelines. Use when asked to sign artifacts, add artifact signing, Cosign sign image, attach signature to registry, or configure SscaArtifactSigning. Trigger phrases: sign artifact, artifact signing, sign image, Cosign sign, add signing step, SscaArtifactSigning, attach signature, sign container image, HAR signing.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Add an Artifact Signing (SscaArtifactSigning) step to an existing Harness pipeline. The step retrieves an artifact from a registry or local workspace, signs it with Cosign, and optionally pushes the .sig signature file back to the registry.

What this skill does

Sign Artifact is a community-contributed Claude Code skill in the devops sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/sign-artifact/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when asked to sign artifacts, add artifact signing, Cosign sign image, attach signature to registry, or configure SscaArtifactSigning. Trigger phrases: sign artifact, artifact signing, sign image, Cosign sign, add signing step, SscaArtifactSigning, attach signature, sign container image, HAR signing.

Who uses this skill

The Sign Artifact 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 158,000+ 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/sign-artifact
curl -L https://claudskills.com/skills/sign-artifact/SKILL.md \
  -o ~/.claude/skills/sign-artifact/SKILL.md

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

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

📱 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 Sign Artifact Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/sign-artifact/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Sign Artifact skill do?

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 Sign Artifact skill?

Use Sign Artifact when your Claude Code task falls under the Engineering category — specifically in the devops 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 Sign Artifact" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Sign Artifact 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. Sign Artifact 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

Source: https://github.com/harness/harness-ai/blob/a48c95a796454641691bbf25bd429c14567d391f/plugins/vscode/skills/sign-artifact/SKILL.md
License: Apache-2.0
Author: harness

Cite this skill

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

APA

harness. (2026). Sign Artifact [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/sign-artifact/

BibTeX

@misc{sign-artifact-2026,
  author    = {harness},
  title     = {Sign Artifact [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/sign-artifact/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/sign-artifact.svg)](https://claudskills.com/skills/sign-artifact/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-07-23 — 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 ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/sign-artifact/#security)

More Engineering skills

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

Browse all Engineering skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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