just

Run project-specific commands defined in justfiles.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/declanshanaghy/fenrir-ledger --skill just-declanshanaghy
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: just
Source: https://github.com/declanshanaghy/fenrir-ledger/tree/main/.claude/skills/just
Command: npx skills add https://github.com/declanshanaghy/fenrir-ledger --skill just-declanshanaghy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Just provides a lightweight way to save and run project-specific commands, eliminating boilerplate and keeping tooling consistent across tasks.

Core Features & Use Cases

  • Recipe-based task execution: Define commands in a justfile and run them with simple recipes.
  • Default and parameterized recipes: Use a default recipe to show available commands, and pass arguments to recipes for dynamic behavior.
  • Environment integration: Supports dotenv loading and shell customization to adapt to different project environments.

Quick Start

Run just to list all available recipes in your project.

Frequently Asked Questions about just

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run project-specific build commands without repeating boilerplate?

You can use a justfile to define and run project-specific recipes, eliminating boilerplate and keeping tooling consistent across tasks. Running just lists all available recipes in your project.

What is the best way to automate task execution for different development workflows?

Automating task execution is best handled by defining commands in a justfile. This supports development workflows that rely on per-project recipes to build, test, or deploy your application.

Can I pass arguments to build automation recipes for dynamic behavior?

Yes, build automation recipes support parameterized arguments for dynamic behavior. You can pass arguments directly to your justfile recipes to adapt commands to different runtime contexts.

Does this task runner support environment integration like dotenv loading?

Yes, the task runner supports environment integration including dotenv loading and shell customization. This allows the recipes to adapt to different project environments seamlessly.

How do I show available commands when running a default recipe?

To show available commands, you can configure a default recipe in your justfile. Running the task runner without arguments automatically triggers this default recipe to list all project commands.