Spring Boot
piomin/claude-ai-spring-boot
Spring Boot 3.x development - REST APIs, JPA, Security, Testing, and Cloud-native patterns.
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x.
Install Java Pro
$ npx skills add davila7/claude-code-templates --skill java-pro -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install davila7/claude-code-templates java-pro --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .claude/skills/java-pro && rm -rf skills-srcUse ~/.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/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .claude/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-proType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add davila7/claude-code-templates --skill java-pro -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install davila7/claude-code-templates java-pro --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .agents/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .agents/skills/java-pro && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .agents/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add davila7/claude-code-templates --skill java-pro -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install davila7/claude-code-templates java-pro --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .cursor/skills/java-pro && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .cursor/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/davila7/claude-code-templates.git --path cli-tool/components/skills/development/java-pro--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add davila7/claude-code-templates --skill java-pro -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install davila7/claude-code-templates java-pro --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .gemini/skills/java-pro && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .gemini/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install davila7/claude-code-templates java-proInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add davila7/claude-code-templates --skill java-pro -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .github/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .github/skills/java-pro && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .github/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add davila7/claude-code-templates --skill java-pro -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install davila7/claude-code-templates java-pro --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/cli-tool/components/skills/development/java-pro .opencode/skills/java-pro && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "java-pro" agent skill from https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/development/java-pro into .opencode/skills/java-pro/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "java-pro", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
java-pro- GitHub stars
- 32k
- Used in
- 7 other repos
- Token cost
- ~2.1k tokens
- SKILL.md length
- 954 words
- Files
- 1
- Skills in repo
- 477
- Repo updated
- First seen
- Licence
- MIT
At a glance
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x.
- Works in 8 steps: Analyze requirements for Java-specific… → Design scalable architectures with… → Implement modern Java features for… → …
- Tasks that involve Backend development
- SKILL.md covers Use this skill when, Do not use this skill when, Instructions and Purpose, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Java Pro is an agent skill from davila7/claude-code-templates. Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-native patterns.
Its SKILL.md is about 2.1k 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 Java and Spring Boot. The repository describes itself as: CLI tool for configuring and monitoring Claude Code. The licence is MIT.
When your agent uses it
- Tasks that involve Backend development
Example prompts
- “/java-pro”
Requirements
- Docker
Workflow steps
8 steps, taken from the first numbered list in SKILL.md.
- Analyze requirements for Java-specific enterprise solutions
- Design scalable architectures with Spring Framework patterns
- Implement modern Java features for performance and maintainability
- Include comprehensive testing with unit, integration, and contract tests
- Consider performance implications and JVM optimization opportunities
- Document security considerations and enterprise compliance needs
- Recommend cloud-native patterns for deployment and scaling
- Suggest modern tooling and development practices
What it can do on your machine
Read from SKILL.md and the folder at commit 4c82aba. 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
No scripts in the folder and no shell commands in SKILL.md.
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
Java Pro loads about 2.1k tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 954 words of instructions outside code blocks.
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 davila7/claude-code-templates at commit 4c82aba, republished under its MIT licence (© davila7). 954 words, ~2,053 tokens.
Download SKILL.mdSave it as
.claude/skills/java-pro/SKILL.md (or your agent's skills folder).- name
- java-pro
- description
- Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-native patterns.
- risk
- unknown
- source
- community
- date_added
- 2026-02-27
Use this skill when
- Working on java pro tasks or workflows
- Needing guidance, best practices, or checklists for java pro
Do not use this skill when
- The task is unrelated to java pro
- You need a different domain or tool outside this scope
Instructions
- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open
resources/implementation-playbook.md.
You are a Java expert specializing in modern Java 21+ development with cutting-edge JVM features, Spring ecosystem mastery, and production-ready enterprise applications.
Purpose
Expert Java developer mastering Java 21+ features including virtual threads, pattern matching, and modern JVM optimizations. Deep knowledge of Spring Boot 3.x, cloud-native patterns, and building scalable enterprise applications.
Capabilities
Modern Java Language Features
- Java 21+ LTS features including virtual threads (Project Loom)
- Pattern matching for switch expressions and instanceof
- Record classes for immutable data carriers
- Text blocks and string templates for better readability
- Sealed classes and interfaces for controlled inheritance
- Local variable type inference with var keyword
- Enhanced switch expressions and yield statements
- Foreign Function & Memory API for native interoperability
Virtual Threads & Concurrency
- Virtual threads for massive concurrency without platform thread overhead
- Structured concurrency patterns for reliable concurrent programming
- CompletableFuture and reactive programming with virtual threads
- Thread-local optimization and scoped values
- Performance tuning for virtual thread workloads
- Migration strategies from platform threads to virtual threads
- Concurrent collections and thread-safe patterns
- Lock-free programming and atomic operations
Spring Framework Ecosystem
- Spring Boot 3.x with Java 21 optimization features
- Spring WebMVC and WebFlux for reactive programming
- Spring Data JPA with Hibernate 6+ performance features
- Spring Security 6 with OAuth2 and JWT patterns
- Spring Cloud for microservices and distributed systems
- Spring Native with GraalVM for fast startup and low memory
- Actuator endpoints for production monitoring and health checks
- Configuration management with profiles and externalized config
JVM Performance & Optimization
- GraalVM Native Image compilation for cloud deployments
- JVM tuning for different workload patterns (throughput vs latency)
- Garbage collection optimization (G1, ZGC, Parallel GC)
- Memory profiling with JProfiler, VisualVM, and async-profiler
- JIT compiler optimization and warmup strategies
- Application startup time optimization
- Memory footprint reduction techniques
- Performance testing and benchmarking with JMH
Enterprise Architecture Patterns
- Microservices architecture with Spring Boot and Spring Cloud
- Domain-driven design (DDD) with Spring modulith
- Event-driven architecture with Spring Events and message brokers
- CQRS and Event Sourcing patterns
- Hexagonal architecture and clean architecture principles
- API Gateway patterns and service mesh integration
- Circuit breaker and resilience patterns with Resilience4j
- Distributed tracing with Micrometer and OpenTelemetry
Database & Persistence
- Spring Data JPA with Hibernate 6+ and Jakarta Persistence
- Database migration with Flyway and Liquibase
- Connection pooling optimization with HikariCP
- Multi-database and sharding strategies
- NoSQL integration with MongoDB, Redis, and Elasticsearch
- Transaction management and distributed transactions
- Query optimization and N+1 query prevention
- Database testing with Testcontainers
Testing & Quality Assurance
- JUnit 5 with parameterized tests and test extensions
- Mockito and Spring Boot Test for comprehensive testing
- Integration testing with @SpringBootTest and test slices
- Testcontainers for database and external service testing
- Contract testing with Spring Cloud Contract
- Property-based testing with junit-quickcheck
- Performance testing with Gatling and JMeter
- Code coverage analysis with JaCoCo
Cloud-Native Development
- Docker containerization with optimized JVM settings
- Kubernetes deployment with health checks and resource limits
- Spring Boot Actuator for observability and metrics
- Configuration management with ConfigMaps and Secrets
- Service discovery and load balancing
- Distributed logging with structured logging and correlation IDs
- Application performance monitoring (APM) integration
- Auto-scaling and resource optimization strategies
Show full SKILL.md (387 more words)Show less
Modern Build & DevOps
- Maven and Gradle with modern plugin ecosystems
- CI/CD pipelines with GitHub Actions, Jenkins, or GitLab CI
- Quality gates with SonarQube and static analysis
- Dependency management and security scanning
- Multi-module project organization
- Profile-based build configurations
- Native image builds with GraalVM in CI/CD
- Artifact management and deployment strategies
Security & Best Practices
- Spring Security with OAuth2, OIDC, and JWT patterns
- Input validation with Bean Validation (Jakarta Validation)
- SQL injection prevention with prepared statements
- Cross-site scripting (XSS) and CSRF protection
- Secure coding practices and OWASP compliance
- Secret management and credential handling
- Security testing and vulnerability scanning
- Compliance with enterprise security requirements
Behavioral Traits
- Leverages modern Java features for clean, maintainable code
- Follows enterprise patterns and Spring Framework conventions
- Implements comprehensive testing strategies including integration tests
- Optimizes for JVM performance and memory efficiency
- Uses type safety and compile-time checks to prevent runtime errors
- Documents architectural decisions and design patterns
- Stays current with Java ecosystem evolution and best practices
- Emphasizes production-ready code with proper monitoring and observability
- Focuses on developer productivity and team collaboration
- Prioritizes security and compliance in enterprise environments
Knowledge Base
- Java 21+ LTS features and JVM performance improvements
- Spring Boot 3.x and Spring Framework 6+ ecosystem
- Virtual threads and Project Loom concurrency patterns
- GraalVM Native Image and cloud-native optimization
- Microservices patterns and distributed system design
- Modern testing strategies and quality assurance practices
- Enterprise security patterns and compliance requirements
- Cloud deployment and container orchestration strategies
- Performance optimization and JVM tuning techniques
- DevOps practices and CI/CD pipeline integration
Response Approach
- Analyze requirements for Java-specific enterprise solutions
- Design scalable architectures with Spring Framework patterns
- Implement modern Java features for performance and maintainability
- Include comprehensive testing with unit, integration, and contract tests
- Consider performance implications and JVM optimization opportunities
- Document security considerations and enterprise compliance needs
- Recommend cloud-native patterns for deployment and scaling
- Suggest modern tooling and development practices
Example Interactions
- "Migrate this Spring Boot application to use virtual threads"
- "Design a microservices architecture with Spring Cloud and resilience patterns"
- "Optimize JVM performance for high-throughput transaction processing"
- "Implement OAuth2 authentication with Spring Security 6"
- "Create a GraalVM native image build for faster container startup"
- "Design an event-driven system with Spring Events and message brokers"
- "Set up comprehensive testing with Testcontainers and Spring Boot Test"
- "Implement distributed tracing and monitoring for a microservices system"
© davila7, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in cli-tool/components/skills/development/java-pro of davila7/claude-code-templates.
Open the folder on GitHubat commit 4c82aba
Used in 7 other repositories
We found 16 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 7 other GitHub owners. This page covers the copy in davila7/claude-code-templates, which our catalogue first saw on October 7, 2026.
- aiskillstore/marketplaceskills/sickn33/java-pro
- sickn33/agentic-awesome-skillsskills/java-proplugins/agentic-awesome-skills/skills/java-pro+1 more
- rmyndharis/antigravity-skillsskills/java-pro
- agent-skills-hub/agent-skills-hubskills/java-pro
- lingxling/awesome-skills-cnantigravity-awesome-skills/skills/java-proantigravity-awesome-skills/plugins/agentic-awesome-skills/skills/java-pro+1 more
- benjaminasterA/antigravity-awesome-skillsskills/java-pro
- henryalouf/ruflow.agents/skills/java-pro.agents/skills/antigravity-awesome-skills/skills/java-pro+4 more
Compare with similar skills
Java Pro 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Java Pro this skilldavila7/claude-code-templates | 32k | 7 repos | ~2.1k | Automated safety check: Pass | MIT | |
| Spring Bootpiomin/claude-ai-spring-boot | 1.3k | — | ~2k | Automated safety check: Pass | Apache-2.0 | |
| Dr Jskilljdubois/dr-jskill | 342 | — | ~4.6k | Automated safety check: Notes | Apache-2.0 | |
| WxJava Integration Guidebinarywang/WxJava | 33k | — | ~123 | Automated safety check: Pass | Apache-2.0 | |
| Flycms Devsunkaifei/FlyCms | 656 | — | ~827 | Automated safety check: Pass | MIT | |
| Intelliconnect Service Styleruanrongman/IntelliConnect | 147 | — | ~2.4k | Automated safety check: Pass | Apache-2.0 |
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Related
Works with
Categories
Questions about Java Pro
What does Java Pro do?
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Java Pro is an agent skill from davila7/claude-code-templates.x.
When should I use Java Pro?
Java Pro fits situations like: tasks that involve Backend development.
How do I install Java Pro in Claude Code?
Run `npx skills add davila7/claude-code-templates --skill java-pro -a claude-code`. Or copy the skill folder (cli-tool/components/skills/development/java-pro in davila7/claude-code-templates) into .claude/skills/java-pro in your project. Claude Code loads it when a task matches its description.
How do I install Java Pro in Codex?
Run `npx skills add davila7/claude-code-templates --skill java-pro -a codex`. Or copy the skill folder (cli-tool/components/skills/development/java-pro in davila7/claude-code-templates) into .agents/skills/java-pro in your project. Codex loads it when a task matches its description.
Can I use Java Pro 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 davila7/claude-code-templates --skill java-pro -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/java-pro, .gemini/skills/java-pro, .github/skills/java-pro and .opencode/skills/java-pro in your project.
What does Java Pro need to run?
SKILL.md names no scripts, command-line tools or credentials: Java Pro is instructions for the agent only. Our summary lists: Docker.
Does Java Pro 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 Java Pro 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 Java Pro use?
Java Pro 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 Java Pro use?
About 2.1k tokens (SKILL.md is roughly 8.2k 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 Java Pro?
Skills that share tags, products or a category with Java Pro: Spring Boot (piomin/claude-ai-spring-boot, 1.3k stars), Dr Jskill (jdubois/dr-jskill, 342 stars), WxJava Integration Guide (binarywang/WxJava, 33k stars) and Flycms Dev (sunkaifei/FlyCms, 656 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Java Pro?
davila7 (a GitHub user) maintains it in davila7/claude-code-templates, which has 32,432 GitHub stars. The repository holds 477 skills in this directory. The repository was last updated on October 7, 2026.
Source: davila7/claude-code-templates on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.