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111-java-maven-dependencies

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Use when you need to add or evaluate Maven dependencies that improve code quality — including nullness annotations (JSpecify), static analysis (Error Prone + NullAway), functional programming (VAVR), or architecture testing (ArchUnit) — and want a consultative, question-driven approach that adds only what you actually need. This should trigger for requests such as Add Maven dependencies; Add JSpecify nullness dependencies; Add Error Prone NullAway dependencies; Add VAVR functional dependencies; Add ArchUnit architecture testing dependencies. Part of cursor-rules-java project

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How to use this skill

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  1. Open your project in Codex.
  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/development/111-java-maven-dependencies-jabrena-cursor-rules-java/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/111-java-maven-dependencies/. Do not write files or run scripts until I approve.

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Add Maven dependencies for improved code quality

Add essential Maven dependencies that enhance code quality and safety through a consultative, question-driven approach. This is an interactive SKILL.

What is covered in this Skill?

  • JSpecify: (nullness annotations, provided scope)
  • Error Prone + NullAway: (enhanced static analysis with compile-time null checking)
  • VAVR: (functional programming with Try/Either and immutable collections)
  • ArchUnit: (architecture rule enforcement, test scope)

Constraints

Before adding Maven dependencies, ensure the project is in a valid state. Use a consultative, question-driven flow that adds only what the user selects.

  • MANDATORY: Run ./mvnw validate or mvn validate before any changes
  • SAFETY: If validation fails, stop and ask the user to fix issues—do not proceed until resolved
  • BEFORE ASKING QUESTIONS: Read the reference to use the exact wording and options from the template. Ask questions one-by-one in strict order (JSpecify → Enhanced Compiler Analysis (conditional) → VAVR → ArchUnit) and add only what the user selects. Use consultative language, present trade-offs, and wait for user responses before implementing

When to use this skill

  • Add Maven dependencies
  • Add JSpecify nullness dependencies
  • Add Error Prone NullAway dependencies
  • Add VAVR functional dependencies
  • Add ArchUnit architecture testing dependencies

Workflow

  1. Validate project before changes

Run ./mvnw validate or mvn validate and stop if validation fails.

  1. Read dependency reference and ask guided questions

Read references/111-java-maven-dependencies.md and ask one-by-one in strict order: JSpecify, conditional Enhanced Compiler Analysis, VAVR, and ArchUnit.

  1. Add only selected dependencies

Implement only the dependencies and scopes chosen by the user, preserving existing pom.xml structure.

  1. Report trade-offs and next checks

Summarize what was added, why, and any recommended follow-up validations or tooling alignment.

Reference

For detailed guidance, examples, and constraints, see references/111-java-maven-dependencies.md.