# Regctl

> Use this skill when the user wants to inspect container images, copy images between registries, list image tags, or get image digests without pulling images locally.

- Skill: `javimosch/regctl` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/regctl`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/regctl/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/regctl

---


# regctl Plugin

OCI/Docker registry client for inspecting, copying, and managing container images.

## Commands

### Image
- `regctl image inspect` — Inspect container image manifest
- `regctl image copy` — Copy container image between registries
- `regctl image digest` — Get image digest

### Tags
- `regctl tag list` — List tags for a repository

## Usage Examples
- "Inspect the manifest of alpine:latest"
- "Copy an image from Docker Hub to my private registry"
- "List all tags in a repository"
- "Get the digest of an image"

## Installation

```bash
brew install regctl
```

## Examples

```bash
# Inspect image
regctl image inspect alpine:latest

# Get digest
regctl image digest alpine:latest

# Copy image
regctl image copy alpine:latest myreg.io/alpine:latest

# List tags
regctl tag list library/alpine

# Set custom registry
regctl registry set myreg.io --user user --pass pass
```