Claude Skills by paulasilvatech

Write and review Java Javadoc comments for public, protected, generic, deprecated, and complex members. Use this skill when the user asks for Java documentation, Javadoc best practices, missing comments, API docs, or documentation cleanup in Java code.

Apply JUnit 5 best practices for Java tests, including Maven or Gradle setup, standard and parameterized tests, lifecycle hooks, assertions, Mockito isolation, tags, nested tests, and test commands. Use when asked for JUnit 5+ guidance or to write Java unit tests.

Apply Spring Boot best practices for project structure, dependency injection, configuration, REST controllers, DTO validation, services, transactions, Spring Data JPA, logging, testing, and security. Use when asked for Spring Boot guidance or to implement Java backend code.

Create a Spring Boot Kotlin project skeleton from Spring Initializr with Gradle Kotlin DSL, Java 21, WebFlux, reactive data dependencies, SpringDoc, ArchUnit, and local Redis/PostgreSQL/MongoDB Docker services. Use when asked to create or scaffold a Spring Boot Kotlin project.

GraalVM Native Image expert that adds native image support to Java applications, builds the project, analyzes build errors, applies fixes, and iterates until successful compilation using Oracle best practices. Use this skill when the user asks for graalvm native image agent.

Apply Helidon 4 SE and MP best practices for Java 21 applications, including routing, DB Client, Jakarta and MicroProfile APIs, configuration, security, observability, and tests. Use when working with Helidon SE, Helidon MP, HttpService, HttpRules, MicroProfile Config, Helidon DB Client, Helidon Security, or Helidon testing.

Refactor Java 17 methods with the Extract Method technique to improve readability, testability, maintainability, reusability, modularity, cohesion, low coupling, and consistency. Use when the user asks to identify long or complex Java methods, extract helper methods, preserve behavior, and return complete compilable refactored code.

Refactor Java 17 methods by applying Remove Parameter safely. Use this skill when asked to remove unused or redundant Java method parameters, update call sites, preserve behavior, and return complete compilable refactored methods.

Migrate Java applications from `javax.*` APIs to `jakarta.*` APIs for Tomcat 11, Jakarta EE 10+, and framework upgrades. Use this skill when `javax` imports are detected, dependencies need Jakarta coordinates, `web.xml` namespaces must change, or compile errors follow a Jakarta migration.

Build, review, and test idiomatic Spring Boot applications written in Kotlin. Use this skill when the user asks for Spring Boot with Kotlin best practices, Kotlin JPA entities, coroutine controllers, configuration properties, validation, logging, or test slices.

Select and write effective Spring Boot 4 tests with JUnit 6, AssertJ, MockMvcTester, RestTestClient, Testcontainers, and focused test slices. Use when the user asks for Spring Boot testing guidance, unit tests, slice tests, integration tests, coverage priorities, migration from @MockBean, or testing best practices.

Generate a complete Model Context Protocol server project in Java using the official MCP Java SDK with reactive streams and optional Spring Boot integration. Use this skill when the user asks for project generation.

Generate a complete Kotlin Model Context Protocol server project using io.modelcontextprotocol:kotlin-sdk, Gradle, stdio or Ktor transport, typed tools, configuration, tests, and README documentation. Use when asked to create a Kotlin MCP server, scaffold MCP tools, build a Gradle MCP project, or generate a production-ready MCP server template.

Provide Socratic mentoring for junior developers and AI newcomers. Use when the user asks to understand code or errors, says they are stuck or confused, wants a walkthrough, asks for hints, pseudocode, debugging help, beginner guidance, or wants to learn GitHub Copilot without blind copy-paste.

Diagnose and remediate Arch Linux incidents with pacman, systemd, journal analysis, rolling-release upgrade discipline, kernel awareness, and rollback practices. Use when the user asks to triage Arch service failures, package conflicts, broken upgrades, boot issues, or post-update regressions.

Diagnose and remediate CentOS Linux incidents with RHEL-compatible systemd, journal, dnf/yum, SELinux, firewalld, and rollback practices. Use when the user asks to triage CentOS service failures, package issues, boot problems, networking/firewall symptoms, or security-policy denials.

Diagnose and remediate Debian Linux incidents with apt, dpkg, systemd, journal analysis, AppArmor-aware checks, firewall review, and rollback practices. Use when the user asks to triage Debian service failures, package issues, boot problems, network symptoms, or security-profile denials.

Diagnose and remediate Fedora Linux incidents with dnf, systemd, journal analysis, SELinux, firewalld, release-upgrade awareness, and rollback practices. Use when the user asks to triage Fedora service failures, package issues, boot problems, network/firewall symptoms, or SELinux denials.

Supply COBOL, DB2, VSAM, and JCL modernization context: corpus layout, member conventions, target stack boundaries, evidence precedence, stage flow, and security rules. Use when starting any COBOL/DB2 modernization task, before analysis, design, implementation, verification, or delivery.

Analyze COBOL programs, copybooks, PERFORM and CALL structure, file and VSAM access, embedded EXEC SQL and EXEC CICS, DB2 DDL, DCLGEN structures, cursors, and JCL job steps with source citations. Use when reading or inventorying a COBOL/DB2 legacy system before modernization.

Applies COBOL, copybook, and JCL reading conventions for evidence, precision, occurrence semantics, and legacy immutability. Use when inspecting or citing COBOL/DB2 legacy source.

Use this skill when the user asks to modernize legacy code with a disciplined GitHub Copilot workflow: brief, assess, map, extract business rules, reimagine architecture, transform modules, and harden with tests and security review. Trigger for COBOL, JCL, legacy Java, .NET, C++, classic ASP, monolith modernization, behavior-preserving rewrite, business-rule extraction, modernization assessment, or legacy-to-modern transformation.

Create an Architectural Decision Record (ADR) as a structured Markdown document with front matter, coded consequences, alternatives, implementation notes, and references. Use when the user asks to document an architecture decision, create an ADR, capture alternatives and trade-offs, or save a decision under docs/adr.

Model DB2 for z/OS tables, DDL, DCLGEN structures, COBOL record layouts, OCCURS and REDEFINES groups, packed decimal fields, cursors, and VSAM datasets as a PostgreSQL schema, then prove equivalence with recorded reconciliation numbers. Use when designing or reviewing a DB2 to PostgreSQL migration, mapping legacy types to column types, deciding child-table versus array storage, or verifying that migrated data matches the legacy source.

Applies DB2 DDL, DCLGEN, cursor, and migration-script conventions for precision, nullability, access paths, and reconciliation evidence. Use when reading or writing DB2 schema and migration artifacts.

Review, audit, author, and harden GitHub Actions workflows against Actions-specific threats: untrusted-input script injection, privileged trigger escalation, mutable action references, over-scoped GITHUB_TOKEN permissions, unsafe GITHUB_ENV/GITHUB_OUTPUT writes, secret exposure, OIDC misuse, and self-hosted runner risk. Use for .github/workflows/*.yml, secure my CI, pull_request_target danger, SHA pinning, or permissions lockdown.

Apply JUnit 5 best practices for Java tests, including Maven or Gradle setup, standard and parameterized tests, lifecycle hooks, assertions, Mockito isolation, tags, nested tests, and test commands. Use when asked for JUnit 5+ guidance or to write Java unit tests.

Apply Spring Boot best practices for project structure, dependency injection, configuration, REST controllers, DTO validation, services, transactions, Spring Data JPA, logging, testing, and security. Use when asked for Spring Boot guidance or to implement Java backend code.

Extract cited business-rule cards from legacy code, batch jobs, database definitions, screens, and process documents while separating observed behavior from inferred intent. Use when requirements, target design, or behavior-preserving modernization need an evidence-backed rule catalog.

Design and implement characterization, differential, golden-master, and behavior-equivalence tests that pin observable legacy behavior before modernization. Use when a legacy slice needs a trustworthy behavior oracle, regression baseline, or intentional-change record.

Preview, publish, update, inspect, or uninstall managed modernization repository customizations with conflict detection, ownership hashes, transactional rollback, and safe archives. Use when installing a mainframe modernization track's context, stage agents, prompts, instructions, or automation into a target repository.

Review existing PostgreSQL SQL, schema, migrations, functions, triggers, indexes, JSONB, arrays, custom types, domains, extensions, privileges, and Row Level Security for PostgreSQL-specific anti-patterns. Use when asked to audit or critique PostgreSQL code, database migrations, PL/pgSQL, RLS policies, or schema design.

Design, tune, and modernize PostgreSQL SQL, schemas, indexes, functions, and maintenance workflows using PostgreSQL-specific capabilities. Use this skill when the user asks for PostgreSQL optimization, query tuning, JSONB or array design, EXPLAIN ANALYZE interpretation, index strategy, full-text search, custom types, range/geometric types, pg_stat_statements, VACUUM, ANALYZE, partitioning, or secure parameterized database development.

Elicits, normalizes, validates, and traces requirements through a complete Spec-Driven Development workflow using EARS. Use when converting notes, PRDs, legacy evidence, or design inputs into FRD/NFRD, SPECIFICATION.md, architecture and task artifacts, traceability matrices, quality gates, or an implementation-ready SDD handoff.

Analyze COBOL programs, copybooks, PERFORM and CALL structure, file and VSAM access, embedded EXEC SQL and EXEC CICS, DB2 DDL, DCLGEN structures, cursors, and JCL job steps with source citations. Use when reading or inventorying a COBOL/DB2 legacy system before modernization.

Supply COBOL, DB2, VSAM, and JCL modernization context: corpus layout, member conventions, target stack boundaries, evidence precedence, stage flow, and security rules. Use when starting any COBOL/DB2 modernization task, before analysis, design, implementation, verification, or delivery.

Run each COBOL/DB2 modernization phase as a bounded correction loop with observable exit gates, an iteration ledger, upstream defect escalation, and an engineering graph extracted from COBOL, copybooks, JCL, and DB2 DDL. Use when opening or closing a COBOL/DB2 phase loop, deciding whether a gate passes, routing a defect to the phase that owns its root cause, or building and querying the modernization graph.

Applies COBOL, copybook, and JCL reading conventions for evidence, precision, occurrence semantics, and legacy immutability. Use when inspecting or citing COBOL/DB2 legacy source.

Use this skill when the user asks to modernize legacy code with a disciplined GitHub Copilot workflow: brief, assess, map, extract business rules, reimagine architecture, transform modules, and harden with tests and security review. Trigger for COBOL, JCL, legacy Java, .NET, C++, classic ASP, monolith modernization, behavior-preserving rewrite, business-rule extraction, modernization assessment, or legacy-to-modern transformation.

Create an Architectural Decision Record (ADR) as a structured Markdown document with front matter, coded consequences, alternatives, implementation notes, and references. Use when the user asks to document an architecture decision, create an ADR, capture alternatives and trade-offs, or save a decision under docs/adr.

Model DB2 for z/OS tables, DDL, DCLGEN structures, COBOL record layouts, OCCURS and REDEFINES groups, packed decimal fields, cursors, and VSAM datasets as a PostgreSQL schema, then prove equivalence with recorded reconciliation numbers. Use when designing or reviewing a DB2 to PostgreSQL migration, mapping legacy types to column types, deciding child-table versus array storage, or verifying that migrated data matches the legacy source.

Applies DB2 DDL, DCLGEN, cursor, and migration-script conventions for precision, nullability, access paths, and reconciliation evidence. Use when reading or writing DB2 schema and migration artifacts.

Review, audit, author, and harden GitHub Actions workflows against Actions-specific threats: untrusted-input script injection, privileged trigger escalation, mutable action references, over-scoped GITHUB_TOKEN permissions, unsafe GITHUB_ENV/GITHUB_OUTPUT writes, secret exposure, OIDC misuse, and self-hosted runner risk. Use for .github/workflows/*.yml, secure my CI, pull_request_target danger, SHA pinning, or permissions lockdown.

Extract cited business-rule cards from legacy code, batch jobs, database definitions, screens, and process documents while separating observed behavior from inferred intent. Use when requirements, target design, or behavior-preserving modernization need an evidence-backed rule catalog.

Design and implement characterization, differential, golden-master, and behavior-equivalence tests that pin observable legacy behavior before modernization. Use when a legacy slice needs a trustworthy behavior oracle, regression baseline, or intentional-change record.

Preview, publish, update, inspect, or uninstall managed modernization repository customizations with conflict detection, ownership hashes, transactional rollback, and safe archives. Use when installing a mainframe modernization track's context, stage agents, prompts, instructions, or automation into a target repository.

Review existing PostgreSQL SQL, schema, migrations, functions, triggers, indexes, JSONB, arrays, custom types, domains, extensions, privileges, and Row Level Security for PostgreSQL-specific anti-patterns. Use when asked to audit or critique PostgreSQL code, database migrations, PL/pgSQL, RLS policies, or schema design.

Design, tune, and modernize PostgreSQL SQL, schemas, indexes, functions, and maintenance workflows using PostgreSQL-specific capabilities. Use this skill when the user asks for PostgreSQL optimization, query tuning, JSONB or array design, EXPLAIN ANALYZE interpretation, index strategy, full-text search, custom types, range/geometric types, pg_stat_statements, VACUUM, ANALYZE, partitioning, or secure parameterized database development.

Elicits, normalizes, validates, and traces requirements through a complete Spec-Driven Development workflow using EARS. Use when converting notes, PRDs, legacy evidence, or design inputs into FRD/NFRD, SPECIFICATION.md, architecture and task artifacts, traceability matrices, quality gates, or an implementation-ready SDD handoff.

Model Adabas files, DDM and FDT definitions, MU and PE structures, packed and unpacked numerics, descriptors, and ISN identity as a PostgreSQL schema, then prove equivalence with recorded reconciliation numbers. Use when designing or reviewing an Adabas to PostgreSQL data migration, mapping legacy field formats to column types, deciding child-table versus array storage, or verifying that migrated data matches the legacy source.