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sign-artifact

100 / 100 · Low risk

Fine to try.

By harness/harness-skills (GitHub) · media · 134 stars · scanned at commit 9c274a3

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 signa…

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'sign-artifact' ] || [ -L ~/.agents/skills/'sign-artifact' ]; then echo 'A skill folder named sign-artifact already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/harness/harness-skills' "$d" && git -C "$d" checkout --quiet '9c274a3c1cebc5cf26e5501c118e1ff03b63502f' -- 'skills/security/sign-artifact' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/security/sign-artifact' ~/.agents/skills/'sign-artifact' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'sign-artifact' ~/.claude/skills/'sign-artifact' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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