164-java-profiling-verify

Use when you need to verify Java performance optimizations by comparing profiling results before and after refactoring — including baseline validation, post-refactoring report generation, quantitative before/after metrics comparison, side-by-side flamegraph analysis, regression detection, or creating profiling-comparison-analysis and profiling-final-results documentation. Part of the skills-for-java project

Quality

53%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/164-java-profiling-verify/SKILL.md

Quality

Discovery

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is a strong, well-crafted description that clearly defines a specific niche (Java performance profiling comparison before/after refactoring). It opens with an explicit 'Use when' clause, lists multiple concrete actions, and includes highly distinctive trigger terms like 'flamegraph analysis' and 'regression detection'. The description is comprehensive without being padded, and its specificity makes it easily distinguishable from other skills.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: baseline validation, post-refactoring report generation, quantitative before/after metrics comparison, side-by-side flamegraph analysis, regression detection, and creating specific documentation types.	3 / 3
Completeness	Clearly answers both what (verify Java performance optimizations via profiling comparison, regression detection, documentation generation) and when ('Use when you need to verify Java performance optimizations by comparing profiling results before and after refactoring') with an explicit 'Use when' clause.	3 / 3
Trigger Term Quality	Includes strong natural keywords users would say: 'Java performance', 'profiling', 'refactoring', 'flamegraph', 'regression detection', 'before/after', 'metrics comparison', 'baseline'. These are terms a developer would naturally use when needing this skill.	3 / 3
Distinctiveness Conflict Risk	Highly distinctive niche: specifically about comparing Java profiling results before and after refactoring, with unique triggers like 'flamegraph analysis', 'profiling-comparison-analysis', and 'profiling-final-results'. Unlikely to conflict with general Java or general profiling skills.	3 / 3
	Total	12 / 12 Passed

Implementation

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill is essentially a verbose abstract description that repeats the same concepts (identical test conditions, validate reports, document scenarios) across multiple sections without providing any concrete, executable guidance. All actionable content is deferred to a reference file, making the SKILL.md itself nearly useless as a standalone instruction. The 'When to use this skill' section contains duplicates and trivial entries.

Suggestions

Add a concrete numbered workflow with specific commands/tools (e.g., how to run the profiler, how to generate reports, how to compare flamegraphs) instead of abstract descriptions.

Remove redundant sections — the summary, 'What is covered', 'Scope', and 'Constraints' all say the same things. Consolidate into a lean overview + workflow.

Add explicit validation checkpoints in the workflow (e.g., 'Verify baseline report exists and is non-empty: `ls -la profiler/docs/baseline-*`') with error recovery steps.

Remove duplicate entries in 'When to use this skill' and eliminate trivially obvious trigger phrases that don't add value.

Dimension	Reasoning	Score
Conciseness	Highly repetitive and verbose. The summary paragraph, 'What is covered' bullet list, 'Scope' section, and 'Constraints' section all restate the same information (identical test conditions, document test scenarios, validate reports). The 'When to use this skill' section has duplicate entries ('Verify the profiling' appears twice) and lists trivially obvious triggers. Much of this content explains things Claude can infer.	1 / 3
Actionability	No concrete commands, code examples, or executable steps are provided. Everything is abstract direction ('generate new reports', 'compare metrics', 'perform side-by-side flamegraph analysis') without specifying how. The actual actionable content is deferred entirely to the reference file.	1 / 3
Workflow Clarity	Despite being a multi-step verification workflow involving destructive/batch-like comparison operations, there is no clear sequenced workflow with numbered steps or validation checkpoints. The content describes what should happen but never sequences it. No feedback loops for handling regressions or failed validations.	1 / 3
Progressive Disclosure	There is a clear reference to a single detailed file (references/164-java-profiling-verify.md), which is good one-level-deep disclosure. However, the SKILL.md itself contains almost no useful overview content — it's mostly redundant descriptions rather than a concise actionable overview that complements the reference. The balance between overview and reference is poor.	2 / 3
	Total	5 / 12 Passed

Validation

100%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository: jabrena/cursor-rules-java
Commit: 9ec21dd

Reviewed: 3 days ago

Table of Contents

Discovery Implementation Validation

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