just is a command runner — like make but without the build system baggage. Define commands in a justfile, run with just .
Instructions
Step 1: Install
brew install just
Step 2: Justfile
# justfile — Project commands
set dotenv-load
default: dev
dev:
npm run dev
test *args:
npm test {{args}}
build:
npm run build
db-reset: && db-migrate db-seed
npx prisma migrate reset --force
db-migrate:
npx prisma migrate deploy
db-seed:
npx prisma db seed
deploy env="staging":
echo "Deploying to {{env}}..."
npx vercel deploy
up:
docker compose up -d
down:
docker compose down
logs service="app":
docker compose logs -f {{service}}
Guidelines
Unlike make, just doesn't track file dependencies — purely a command runner.
Supports arguments with defaults: deploy env="staging".
just --list shows all available commands.
1---2name: just3description: just4---5# just67## Overview8just is a command runner — like make but without the build system baggage. Define commands in a justfile, run with just <command>.910## Instructions1112### Step 1: Install13```bash14brew install just15```1617### Step 2: Justfile18```makefile19# justfile — Project commands20set dotenv-load2122default: dev2324dev:25 npm run dev2627test *args:28 npm test {{args}}2930build:31 npm run build3233db-reset: && db-migrate db-seed34 npx prisma migrate reset --force3536db-migrate:37 npx prisma migrate deploy3839db-seed:40 npx prisma db seed4142deploy env="staging":43 echo "Deploying to {{env}}..."44 npx vercel deploy4546up:47 docker compose up -d4849down:50 docker compose down5152logs service="app":53 docker compose logs -f {{service}}54```5556## Guidelines57- Unlike make, just doesn't track file dependencies — purely a command runner.58- Supports arguments with defaults: deploy env="staging".59- just --list shows all available commands.
Run npx skillmds@latest add comeonoliver/just in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
just It is listed under Coding & Dev Tools on SkillMD.
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ComeOnOliver (@comeonoliver) published this skill. Their other Agent Skills are listed on their SkillMD profile.
ComeOnOliver