Names the domain (Java implementations, Cursor Plan mode) and mentions some actions (creating plans, enhancing structured design plans), but lacks concrete specific actions like 'generate class diagrams' or 'create test specifications'. The actions remain somewhat abstract.

Explicitly answers both what (creating plans, enhancing structured design plans for Java implementations) and when (explicit 'Use when' clause with multiple trigger scenarios including plan creation, design, TDD, feature implementation, refactoring).

Good coverage of natural terms users would say: 'create a plan', 'design an implementation', 'structure a development plan', 'plan mode', 'outside-in TDD', 'feature implementation', 'refactoring'. These are terms developers would naturally use.

Somewhat specific to Java and Cursor Plan mode, but terms like 'create a plan', 'design an implementation', and 'refactoring' are generic enough to potentially overlap with other planning or Java-related skills. The 'Plan model' and 'Cursor Plan mode' add some distinctiveness.

The skill is lean and efficient, listing only what Claude needs to know without explaining basic concepts. Every bullet point and constraint adds value without padding.

Provides clear constraints and workflow steps, but lacks concrete examples of the plan format, YAML frontmatter structure, or Mermaid diagrams. The actual executable guidance is deferred to the reference file.

Clear multi-step workflow with explicit checkpoints: run date command, ask questions iteratively, validate summary, wait for confirmation, then generate. The constraint about updating Status before advancing provides a feedback loop.

Excellent structure with a concise overview and single-level reference to detailed guidance. The skill clearly signals what's covered inline vs. what's in the reference file.