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progen — Spring Boot Project Generator

Turns a plain-English project description into a progen CLI config and scaffolds a full production-ready Spring Boot project.

Dev & CodingIntermediate★ 189⑂ 42AI score 9/10Last updated: Oct 5, 2026

What it does

  • Reads your plain-English app description and maps it onto a .progen.json config file.
  • Verifies the progen binary is installed; if not, walks through downloading the right OS/arch release asset or using go install.
  • Maps keywords to options: AppType (REST API / Web App / Spring Boot + Angular full stack), Maven vs Gradle, JPA / JdbcClient / jOOQ, PostgreSQL / MySQL / MariaDB, Flyway / Liquibase, plus AWS, Email, RabbitMQ, Redis, OpenTelemetry and Kubernetes flags.
  • Only interrupts you for AppName, GroupID and ArtifactID; everything else silently falls back to sane defaults.
  • For features progen can't do natively (GraphQL, gRPC, custom auth providers), it scaffolds the base project first and layers the extra feature onto the generated code.

Who it's for

  • Backend engineers who spin up new Spring Boot services often.
  • Teams wanting a standard template with Docker Compose, Testcontainers, GitHub Actions and Spotless baked in.
  • Anyone who finds start.spring.io too bare-bones.

Examples

  1. "Build an orders REST API for com.acme with Postgres and Flyway" → writes .progen.json, runs progen -c .progen.json, produces an orders-service directory.
  2. "A server-rendered web app with HTMX, built with Gradle" → sets AppType=Web App, Thymeleaf/HTMX true, BuildTool=Gradle automatically.
  3. "Angular full stack with Redis caching plus GraphQL" → generates the full-stack base first, then hand-adds GraphQL to the generated code.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/sivaprasadreddy/sivalabs-agent-skills/HEAD/skills/progen/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/progen folder from the GitHub repo sivaprasadreddy/sivalabs-agent-skills into my ~/.claude/skills/progen/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/sivaprasadreddy/sivalabs-agent-skills.git && mkdir -p ~/.claude/skills && cp -r sivalabs-agent-skills/skills/progen ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/sivaprasadreddy/sivalabs-agent-skills.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill in: cp -r sivalabs-agent-skills/skills/progen ~/.claude/skills/
  5. (Optional) Pre-install the CLI: with Go available run go install github.com/sivaprasadreddy/progen@latest, otherwise grab the matching release asset from GitHub.
  6. Restart Claude Code and ask it to "use the progen skill to scaffold a Spring Boot project". The skill sets disable-model-invocation: true, so invoke it by name.
View source on GitHub ↗License: MIT