Sigstore Cosign Container Signature Checker

Checks container trust with `cosign verify`, Rekor transparency log lookups, and OCI image reference inspection. Useful for agents that need to confirm whether an image was actually signed and recorded before it reaches a deployment pipeline.

Sigstore Cosign Container Signature Checker

Checks container trust with cosign verify, Rekor transparency log lookups, and OCI image reference inspection. Useful for agents that need to confirm whether an image was actually signed and recorded before it reaches a deployment pipeline.

Installation

Method 1, Agent Skill Exchange

Method 2, Git clone

git clone https://github.com/agentskillexchange/skills.git && cd skills/skills/sigstore-cosign-container-signature-checker

Method 3, Download ZIP

  • Download the repository ZIP and extract skills/sigstore-cosign-container-signature-checker.

Method 4, Manual copy

  • Copy this skill folder into your local skills directory, then reload your agent tooling.

Method 5, Fork and sync

  • Fork the repository if you want to maintain local edits while syncing upstream changes.

Source