Create Spring Boot Java Project is an agent skill from github/awesome-copilot, published by the product's own GitHub organization. Create Spring Boot Java Project Skeleton
Its SKILL.md is about 1.1k 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 Backend & APIs, covering Backend development. It works with Spring Boot, Java, PostgreSQL and Redis. The repository describes itself as: Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot. The licence is MIT.