Skip to main content
Glama
ebadAhmed10

JMeter MCP Server

by ebadAhmed10

execute_jmeter_test

Run JMeter performance tests from .jmx files to identify bottlenecks and generate insights. Supports non-GUI execution with configurable properties.

Instructions

Execute a JMeter test.

Args: test_file: Path to the JMeter test file (.jmx) gui_mode: Whether to run in GUI mode (default: False) properties: Dictionary of JMeter properties to pass with -J (default: None)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
test_fileYes
gui_modeNo
propertiesNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions GUI mode and properties passing, but doesn't cover critical aspects like execution environment requirements, error handling, output format, or whether this is a blocking/long-running operation. For a test execution tool with zero annotation coverage, this is insufficient.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is perfectly structured: a clear purpose statement followed by well-organized parameter documentation. Every sentence earns its place, and the information is front-loaded with the most important details first.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has an output schema (which handles return values), 3 parameters with 0% schema coverage, and no annotations, the description does an adequate job documenting parameters but lacks behavioral context. For a test execution tool, it should mention what happens during execution and what kind of results to expect.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description provides clear parameter documentation in the Args section, explaining what each parameter does. With 0% schema description coverage, this description fully compensates by documenting all 3 parameters with their purposes and defaults, adding significant value beyond the bare schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Execute' and the resource 'JMeter test', making the purpose immediately understandable. However, it doesn't differentiate from sibling tools like 'execute_jmeter_test_non_gui', which appears to be a more specific version of this tool.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives like 'execute_jmeter_test_non_gui' or other sibling tools. There's no mention of prerequisites, typical use cases, or when to choose GUI vs non-GUI mode.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.