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JMeter

STDIO

JMeter MCP server for executing and analyzing performance tests through MCP clients.

🚀 JMeter MCP Server

This is a Model Context Protocol (MCP) server that allows executing JMeter tests through MCP-compatible clients.

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Anthropic Cursor Windsurf

📋 Features

  • 📊 Execute JMeter tests in non-GUI mode
  • 🖥️ Launch JMeter in GUI mode
  • 📝 Capture and return execution output
  • 📊 Generate JMeter report dashboard

🛠️ Installation

Local Installation

  1. Install uv:

  2. Ensure JMeter is installed on your system and accessible via the command line.

⚠️ Important: Make sure JMeter is executable. You can do this by running:

chmod +x /path/to/jmeter/bin/jmeter
  1. Configure the .env file, refer to the .env.example file for details.
# JMeter Configuration JMETER_HOME=/path/to/apache-jmeter-5.6.3 JMETER_BIN=${JMETER_HOME}/bin/jmeter # Optional: JMeter Java options JMETER_JAVA_OPTS="-Xms1g -Xmx2g"

💻 MCP Usage

  1. Connect to the server using an MCP-compatible client (e.g., Claude Desktop, Cursor, Windsurf)

  2. Send a prompt to the server:

Run JMeter test /path/to/test.jmx
  1. MCP compatible client will use the available tools:
    • 🖥️ execute_jmeter_test: Launches JMeter in GUI mode, but doesn't execute test as per the JMeter design
    • 🚀 execute_jmeter_test_non_gui: Execute a JMeter test in non-GUI mode (default mode for better performance)

🏗️ MCP Configuration

Add the following configuration to your MCP client config:

{ "mcpServers": { "jmeter": { "command": "/path/to/uv", "args": [ "--directory", "/path/to/jmeter-mcp-server", "run", "jmeter_server.py" ] } } }

✨ Use case

LLM powered result analysis: Collect and analyze test results.

Debugging: Execute tests in non-GUI mode for debugging.

🛑 Error Handling

The server will:

  • Validate that the test file exists
  • Check that the file has a .jmx extension
  • Capture and return any execution errors

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