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Run performance tests based on JMeter · jabrena | DecimalAI

testingby jabrena

Run performance tests based on JMeter

jabrena/151-java-performance-jmeter

Source jabrena/plinth ↗License Apache-2.0

Use when you need to set up JMeter performance testing for a Java project — including creating the run-jmeter.sh script from the exact template, configuring load tests with loops, threads, and ramp-up, or running performance tests from the project root with custom or default settings. This should trigger for requests such as Improve the code with JMeter performance testing; Apply JMeter performance testing; Refactor the code with JMeter performance testing; Add JMeter support; Create a JMeter te

SkillScore73Maintained

Automatic

QA & Test Engineering pack

Last verified 8/20/2026

What it changes

Passed 11 of 15 test cases with the skill, and 5 of 15 without it.

Without skill36%

With skill73%

Checks it passed that the model alone missed

The GUI flag is specified as -g
The CLI option for GUI mode is designated as -g
The CLI option for help documentation is designated as -h

and 10 more in the full report

9 fixed7 passed either way5 still failing1 broke

Pass-rate lift: +36 pp
Tokens: +5%
Agent turns: 0%
Response time: -24%

Model gemini-3.6-flashMeasured 8/20/2026v116 of 22 cases passed with skill · 15 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/jabrena-151-java-performance-jmeter/SKILL.md https://app.decimal.ai/s/jabrena-151-java-performance-jmeter/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add jabrena-151-java-performance-jmeter, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/jabrena-151-java-performance-jmeter/ and pins it in .decimal/skills.lock

decimalai skills add jabrena-151-java-performance-jmeter

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/jabrena-151-java-performance-jmeter/SKILL.md https://app.decimal.ai/s/jabrena-151-java-performance-jmeter/SKILL.md

Raw file: /s/jabrena-151-java-performance-jmeter/SKILL.md ↗ · machine-readable summary at /s/jabrena-151-java-performance-jmeter.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 7

Prompt

How do you signal to the JMeter runner script that the test should be launched with the JMeter graphical user interface instead of headless mode?

What was checked, without and with the skill
Checked	Without skill	With skill
The GUI flag is specified as -g	Missed	Passed

case-15 · gemini-3.6-flash · 8/20/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md54 lines3 filesincludes scripts

Run performance tests based on JMeter

Provide a complete JMeter performance testing solution by creating the run-jmeter.sh script from the exact template, making it executable, and configuring the project structure for load testing. Supports custom loops, threads, ramp-up, and environment variable overrides.

What is covered in this Skill?

Create run-jmeter.sh in project root from the exact template (no modifications)
Project structure: src/test/resources/jmeter/load-test.jmx, target/ for results
Script options: -l (loops), -t (threads), -r (ramp-up), -g (GUI), -h (help)
Environment variables: JMETER_LOOPS, JMETER_THREADS, JMETER_RAMP_UP
Verify JMeter is installed and available before proceeding

Scope: Copy the script template verbatim. Do not modify, interpret, or enhance the template content.

Constraints

JMeter must be installed and available in PATH. If not available, show a message and exit. Use only the exact template for the run-jmeter.sh script.

PREREQUISITE: Verify JMeter is installed and accessible via jmeter --version before creating the script
CRITICAL: Copy the run-jmeter.sh template exactly — do not modify, interpret, or enhance
PERMISSION: Make the script executable with chmod +x run-jmeter.sh
BEFORE APPLYING: Read the reference for the exact script template and usage instructions
EDGE CASE: If request scope is ambiguous, stop and ask a clarifying question before applying changes
EDGE CASE: If required inputs, files, or tooling are missing, report what is missing and ask whether to proceed with setup guidance

When to use this skill

Improve the code with JMeter performance testing
Apply JMeter performance testing
Refactor the code with JMeter performance testing
Add JMeter support
Create a JMeter test plan for a Java service

Workflow

Verify JMeter prerequisite

Check jmeter --version and stop with guidance if JMeter is not installed or not available in PATH.

Read JMeter reference template

Track record

Benchmark

11 / 15

test cases passed, vs 5 / 15 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

jabrena / plinth

skills/151-java-performance-jmeter/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 10/2/2026Version v1Bundled 2 files · scripts

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Run performance tests based on JMeter

Constraints

When to use this skill

Workflow

Track record

Benchmark

Adoption

SkillSafety

Source

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