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Official agent skill

Compile Al App

by microsoft in microsoft/AL

Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted.

OfficialMITAuto-check passed

Install Compile Al App

skills CLI
$ npx skills add microsoft/AL --skill compile-al-app -a claude-code

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

GitHub CLI
$ gh skill install microsoft/AL compile-al-app --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/AL.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/compile-al-app .claude/skills/compile-al-app && 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
compile-al-app
GitHub stars
884
Token cost
~164 tokens
SKILL.md length
27 words
Files
2
Skills in repo
9
Repo updated
First seen
Licence
MIT

At a glance

Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted.

  • Runs PowerShell scripts from its folder

What it does

Compile Al App is an agent skill from microsoft/AL, published by the product's own GitHub organization. Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted.

Its SKILL.md is about 160 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file.

The repository describes itself as: Home of the Dynamics 365 Business Central AL Language extension for Visual Studio Code. Used to track issues regarding the latest version of the AL compiler and developer tools… The licence is MIT.

Example prompts

  • “Use the compile-al-app skill to compile a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app…”
  • “/compile-al-app”

Requirements

  • PowerShell

What it can do on your machine

Read from SKILL.md and the folder at commit 872adad. 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

    Ships script files (PowerShell), which the agent can run.

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

  • Network

    No URLs in SKILL.md.

    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

Compile Al App loads about 164 tokens when it runs. Until then it costs about 38 tokens; SKILL.md has 27 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~38
When it runs · the whole SKILL.md, loaded when a task matches
~164

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/AL at commit 872adad, republished under its MIT licence (© microsoft). 27 words, ~164 tokens.

Download SKILL.mdSave it as .claude/skills/compile-al-app/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
compile-al-app
description
Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted.
argument-hint
<project-folder> [package-cache-folder] [output-app]

Invoke verify-prerelease-altool, then run:

powershell
& .\.github\skills\compile-al-app\Invoke-CompileAlApp.ps1 `
    -ProjectPath <project-folder> `
    -PackageCachePath <project-folder>\.alpackages

If app.json references platform, application, or dependencies, invoke download-al-symbols first. Preserve compiler diagnostics and the native exit code. Do not invoke alc.exe directly.

© 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

SKILL.md and 1 other file in .github/skills/compile-al-app of microsoft/AL.

  • SKILL.md
  • Invoke-CompileAlApp.ps1

Open the folder on GitHubat commit 872adad

Compare with similar skills

Compile Al App 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.

Compile Al App compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Compile Al App this skillmicrosoft/AL884—~164Automated safety check: PassMIT
Generating Python Installeraffaan-m/ECC275k1 repos~6.1kAutomated safety check: PassMIT
Kubeshark Installerkubeshark/kubeshark12k—~3.6kAutomated safety check: NotesApache-2.0
Pwa Installabilitythedaviddias/Front-End-Checklist74k—~450Automated safety check: PassMIT
Markstream Installsickn33/agentic-awesome-skills47k1 repos~2kAutomated safety check: PassMIT
Compile Knowledgesickn33/agentic-awesome-skills47k1 repos~2.3kAutomated safety check: PassMIT

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More from microsoft/AL

All 9 skills in this repo

  • Download Al Symbols

    microsoft/AL

    Official

    Downloads exact Business Central symbol packages for a temporary AL reproduction project through the installed prerelease ALTool.

    884 GitHub stars~273 tokensUpdated 21 days ago
    Auto-check passed

  • Publish Al App

    microsoft/AL

    Official

    Publishes one compiled AL app to the provisioned BCInsider sandbox through the public prerelease ALTool.

    884 GitHub stars~221 tokensUpdated 21 days ago
    Auto-check passed

  • Run Al Code Analysis

    microsoft/AL

    Official

    Runs CodeCop, PerTenantExtensionCop, UICop, or AppSourceCop against a temporary project through the public prerelease ALTool.

    884 GitHub stars~302 tokensUpdated 21 days ago
    Auto-check passed

  • Run Al MCP Tool

    microsoft/AL

    Official

    Invokes one safe AL MCP tooling operation through the workflow-installed prerelease ALTool for independent reproduction of MCP and editor-tooling issues.

    884 GitHub stars~310 tokensUpdated 21 days ago
    Auto-check passed

  • Run Al Tests

    microsoft/AL

    Official

    Runs a published AL test codeunit against the provisioned BCInsider sandbox through the public prerelease ALTool.

    884 GitHub stars~208 tokensUpdated 21 days ago
    Auto-check passed

  • Verify Al E2E

    microsoft/AL

    Official

    Orchestrates the smallest production-path AL reproduction through the workflow-installed public prerelease ALTool and BCInsider sandbox.

    884 GitHub stars~241 tokensUpdated 21 days ago
    Auto-check passed

Questions about Compile Al App

What does Compile Al App do?

Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted. Compile Al App is an agent skill from microsoft/AL, published by the product's own GitHub organization. Compiles a temporary AL project through the workflow-installed public prerelease ALTool and verifies that a fresh app package was emitted.

How do I install Compile Al App in Claude Code?

Run `npx skills add microsoft/AL --skill compile-al-app -a claude-code`. Or copy the skill folder (.github/skills/compile-al-app in microsoft/AL) into .claude/skills/compile-al-app in your project. Claude Code loads it when a task matches its description.

How do I install Compile Al App in Codex?

Run `npx skills add microsoft/AL --skill compile-al-app -a codex`. Or copy the skill folder (.github/skills/compile-al-app in microsoft/AL) into .agents/skills/compile-al-app in your project. Codex loads it when a task matches its description.

Can I use Compile Al App 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/AL --skill compile-al-app -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/compile-al-app, .gemini/skills/compile-al-app, .github/skills/compile-al-app and .opencode/skills/compile-al-app in your project.

What does Compile Al App need to run?

Going by SKILL.md and its folder, Compile Al App needs PowerShell for the scripts in its folder. Our summary lists: PowerShell.

Does Compile Al App access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Compile Al App 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 Compile Al App use?

Compile Al App 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 Compile Al App use?

About 164 tokens (SKILL.md is roughly 656 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 Compile Al App?

Skills that share tags, products or a category with Compile Al App: Generating Python Installer (affaan-m/ECC, 275k stars), Kubeshark Installer (kubeshark/kubeshark, 12k stars), Pwa Installability (thedaviddias/Front-End-Checklist, 74k stars) and Markstream Install (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Compile Al App?

microsoft (a GitHub organization, an official publisher) maintains it in microsoft/AL, which has 884 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on September 16, 2026.

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