---
title: "Sigstore Cosign Verification Pipeline"
description: "Verifies container image signatures and SBOMs using Sigstore Cosign and Rekor transparency log. Enforces supply chain security policies by validating keyless signatures against Fulcio certificate authorities."
verification: "security_reviewed"
source: "https://github.com/sigstore/cosign"
author: "sigstore"
category:
  - "Security & Verification"
framework:
  - "Codex"
tool_ecosystem:
  github_repo: "sigstore/cosign"
  github_stars: 5830
---

# Sigstore Cosign Verification Pipeline

Verifies container image signatures and SBOMs using Sigstore Cosign and Rekor transparency log. Enforces supply chain security policies by validating keyless signatures against Fulcio certificate authorities.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/sigstore-cosign-verification-pipeline/)