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Detecting performance smells in Java v1.0.0

Use this resource to find performance smells in performance-sensitive Java code

New

  • 540 downloads
  • 187 likes
  • 176 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install java-performance-smell-review

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent flags suspicious usages on critical paths and stresses that each point must be measured before any change. You get a list of points to check, with improvement ideas and advice on measuring with JMH or a profiler.

Mostly picked by

Updated November 2, 2026

Card for the “Detecting performance smells in Java” skill

Details

Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: table of potential smells, string concatenation, Stream API and cautions
  • README.md: skill overview and use cases

Good fit for

  • A processing loop called millions of times is slowing your service
  • You want to review a critical path without over-optimizing the rest

Not for

    Tags

    • performance
    • java
    • profiling
    • optimization

    About

    You say

    “Find performance smells in this processing loop and tell me what to measure.”

    Card for the “Detecting performance smells in Java” skill

    Skill published by decebals under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to find performance smells in performance-sensitive Java code
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • README.md2.5 KB
    • SKILL.md9.3 KB

    Origin and licence

    Listed unmodified

    Author
    decebals
    Source
    github.com/decebals/claude-code-java/tree/0d98fe9bd62923e819568ee1e041a1bf320f74d4/skills/performance-smell-detection
    Licence
    MIT

    Notice

    « performance-smell-detection » (decebals, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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