Overview

Guardener secures and maintains your repositories through the Chainguard App, with capabilities you enable per repository with .chainguard/ configuration files.

Guardener is a tool for managing and hardening your source code, with a growing suite of capabilities you opt into independently.

Learn how Chainguard Checks runs your repository's CI checks in isolated microVMs on every GitHub pull request, with no network access unless a check asks for it.

Learn how Chainguard Workspaces runs your repository and your coding agents in a remote microVM session without putting your credentials in the session.

The four Chainguard MCP servers that expose live product data — images, packages, version history, and platform APIs — to any MCP-compatible client.

Learn how Chainguard Actions provides hardened drop-in replacements for popular GitHub Actions to protect your CI/CD pipelines from supply chain attacks.

Learn what Chainguard Agent Skills are, the supply chain risk they address, and how Chainguard hardens skills before you install them.