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Official agent skill

Azldev Image

by microsoft in microsoft/azurelinux

Read this before building, booting, or configuring an azldev image.

OfficialMITAuto-check passedDevOps & Cloud

Install Azldev Image

skills CLI
$ npx skills add microsoft/azurelinux --skill azldev-image -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install microsoft/azurelinux azldev-image --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/microsoft/azurelinux.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/azldev-image .claude/skills/azldev-image && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
azldev-image
GitHub stars
5.3k
Token cost
~758 tokens
SKILL.md length
306 words
Files
1
Skills in repo
10
Repo updated
First seen
Licence
MIT

At a glance

Read this before building, booting, or configuring an azldev image.

  • Include image build
  • SKILL.md covers Commands, Registering an image and The kiwi definition
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Container image

What it does

Azldev Image is an agent skill from microsoft/azurelinux, published by the product's own GitHub organization. Read this before building, booting, or configuring an azldev image. Explains the azldev image commands (list, build, boot, test, customize) and the [images.<name] config (kiwi definition, capabilities, tests, publish); the kiwi XML format itself is upstream KIWI NG. Triggers include image build, image boot, kiwi, container image, VM image, images.toml.

Its SKILL.md is about 760 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in DevOps & Cloud, covering Containers. The repository describes itself as: General purpose Linux OS for Azure. The licence is MIT.

When your agent uses it

  • Include image build
  • Container image

Example prompts

  • “/azldev-image”

What it can do on your machine

Read from SKILL.md and the folder at commit f019108. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are toml).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • osinside.github.io

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Azldev Image loads about 758 tokens when it runs. Until then it costs about 92 tokens; SKILL.md has 306 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~92
When it runs · the whole SKILL.md, loaded when a task matches
~758

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from microsoft/azurelinux at commit f019108, republished under its MIT licence (© microsoft). 306 words, ~758 tokens.

Download SKILL.mdSave it as .claude/skills/azldev-image/SKILL.md (or your agent's skills folder).
name
azldev-image
description
Read this before building, booting, or configuring an azldev image. Explains the azldev image commands (list, build, boot, test, customize) and the [images.<name>] config (kiwi definition, capabilities, tests, publish); the kiwi XML format itself is upstream KIWI NG. Triggers include image build, image boot, kiwi, container image, VM image, images.toml.

Build and boot images

An image assembles built RPMs into a deliverable — a container or a bootable VM. azldev drives the build from a kiwi-ng definition; the .kiwi file itself is upstream KIWI NG (docs) and azldev does not own its schema.

Commands

Images are selected by their name as a positional argument (not -p).

TaskCommand
List imagesazldev image list
Build an image (kiwi-ng)azldev image build <name>
Boot an image in a QEMU VMazldev image boot <name>
Run an image's testsazldev image test <name>
Customize a pre-built imageazldev image customize

azldev image build takes --local-repo / --remote-repo to add package sources and --arch to target an architecture. When the selected distro version defines kiwi-config-override, azldev passes it to KIWI with --config. These top-level overrides have highest precedence. azldev image boot takes a built image name, or an explicit --image-path / --iso. Confirm current flags with azldev image <command> --help (there are more subcommands, e.g. inject-files).

Registering an image

Images are declared under [images.<name>] (conventionally in an images.toml):

toml
[images.container-base]
description = "Container base image"
definition = { type = "kiwi", path = "container-base/container-base.kiwi", profile = "core" }
architectures = ["x86_64", "aarch64"]

  [images.container-base.capabilities]
  container = true
  systemd = false

  [images.container-base.tests]
  tests = [{ name = "smoke" }]
  • definition.type is kiwi (the only type today); path points at the .kiwi file; profile selects a kiwi profile (optional).
  • capabilities are tri-state flags describing the image — machine-bootable, container, systemd, runtime-package-management. Set only the ones that apply.
  • architectures = ["x86_64", "aarch64"] is optional; when unset or empty, the image is treated as unrestricted (all recognized architectures). Set it to restrict which architectures image build --arch allows for the image.
  • tests.tests lists the tests or test groups azldev image test runs.
  • publish.channels lists the channels the image publishes to.

The kiwi definition

The .kiwi file is upstream KIWI NG XML — azldev does not own its schema. It selects the image type (container vs. VM), package lists, repositories, and boot configuration. See the KIWI NG documentation for the format and elements.

Generated by azldev docs agent; do not hand-edit.

© microsoft, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/azldev-image of microsoft/azurelinux.

Open the folder on GitHubat commit f019108

Compare with similar skills

Azldev Image next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Azldev Image compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Azldev Image this skillmicrosoft/azurelinux5.3k—~758Automated safety check: PassMIT
Iron Proxy Gateway for NanoClawnanocoai/nanoclaw31k—~4.6kAutomated safety check: NotesMIT
GreptimeDB Dev Docker ImageGreptimeTeam/greptimedb6.7k—~4kAutomated safety check: NotesApache-2.0
Senior DevOps Toolkitmaslennikov-ig/claude-code-orchestrator-kit2606 repos~1.1kAutomated safety check: NotesCustom licence
LangBot Deployment Guidelangbot-app/LangBot18k—~1.2kAutomated safety check: NotesApache-2.0
Build Openshell Mxc WindowsNVIDIA/OpenShell15k—~4.9kAutomated safety check: PassApache-2.0

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More from microsoft/azurelinux

All 10 skills in this repo

  • Azldev Add Component

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  • Azldev Mock

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  • Azldev Overlay Metadata

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Categories

Questions about Azldev Image

What does Azldev Image do?

Read this before building, booting, or configuring an azldev image. Azldev Image is an agent skill from microsoft/azurelinux, published by the product's own GitHub organization. Read this before building, booting, or configuring an azldev image.

When should I use Azldev Image?

Azldev Image fits situations like: include image build; container image.

How do I install Azldev Image in Claude Code?

Run `npx skills add microsoft/azurelinux --skill azldev-image -a claude-code`. Or copy the skill folder (.agents/skills/azldev-image in microsoft/azurelinux) into .claude/skills/azldev-image in your project. Claude Code loads it when a task matches its description.

How do I install Azldev Image in Codex?

Run `npx skills add microsoft/azurelinux --skill azldev-image -a codex`. Or copy the skill folder (.agents/skills/azldev-image in microsoft/azurelinux) into .agents/skills/azldev-image in your project. Codex loads it when a task matches its description.

Can I use Azldev Image in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add microsoft/azurelinux --skill azldev-image -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/azldev-image, .gemini/skills/azldev-image, .github/skills/azldev-image and .opencode/skills/azldev-image in your project.

What does Azldev Image need to run?

SKILL.md names no scripts, command-line tools or credentials: Azldev Image is instructions for the agent only.

Does Azldev Image access the network?

SKILL.md names 1 domain. As links in the text: osinside.github.io. This is read from the text; nothing was executed.

Is Azldev Image safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Azldev Image use?

Azldev Image is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Azldev Image use?

About 758 tokens (SKILL.md is roughly 3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Azldev Image?

Skills that share tags, products or a category with Azldev Image: Iron Proxy Gateway for NanoClaw (nanocoai/nanoclaw, 31k stars), GreptimeDB Dev Docker Image (GreptimeTeam/greptimedb, 6.7k stars), Senior DevOps Toolkit (maslennikov-ig/claude-code-orchestrator-kit, 260 stars) and LangBot Deployment Guide (langbot-app/LangBot, 18k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Azldev Image?

microsoft (a GitHub organization, an official publisher) maintains it in microsoft/azurelinux, which has 5,348 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on October 8, 2026.

Source: microsoft/azurelinux on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.