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Jadx Daemon MCP
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Jadx Daemon MCP

An MCP server based on Jadx, providing a daemon service for decompiling Android applications.
SecurityDeveloper tools#Decompilation#Android#Daemon process#MCP service.Java
2.5 points
5.1K
Open Site

Overview

Installation

Tools List

Content Details

Alternatives

What is Jadx Daemon MCP?

Jadx Daemon MCP is a Model Context Protocol server that integrates the jadx tool - a powerful Android application decompiler. This MCP server allows you to directly interact with the jadx daemon service through an AI assistant to decompile and analyze Java code in APK files without manually running complex command - line tools.

How to use Jadx Daemon MCP?

To use Jadx Daemon MCP, you need to first configure an MCP client (such as Claude Desktop) to connect to this server. After the configuration is complete, you can directly ask the AI assistant questions about APK files, such as requesting to decompile a specific class, finding method implementations, or analyzing the application structure.

Applicable scenarios

This tool is particularly suitable for: Android application security analysis, code auditing, reverse engineering learning, understanding the implementation of third - party libraries, debugging, and troubleshooting. Whether you are a security researcher, developer, or technology enthusiast, you can use this tool to more conveniently analyze Android applications.

Main features

APK file decompilation
Decompile Android APK files into readable Java source code, supporting multiple APK formats and versions.
Code search and navigation
Search for specific classes, methods, or strings in the decompiled code to quickly locate the parts you are interested in.
Interactive analysis
Interact with the AI assistant through natural language, ask complex questions, and get detailed code - level answers.
MCP protocol integration
Follow the Model Context Protocol standard, be compatible with various MCP clients, and provide a standardized tool access interface.
Advantages
No need to manually operate command - line tools; complex analysis can be completed through natural language
Integrated into the AI assistant, enabling more intelligent analysis in combination with context
Based on the mature jadx tool, with high decompilation quality and wide support
Standardized MCP interface, easy to integrate into existing workflows
Limitations
Requires pre - configuration of the MCP client, with a certain learning cost
May not be perfect when decompiling complex obfuscated code
Requires running the jadx daemon service locally, occupying system resources
The processing time may be long for very large APK files

How to use

Installation and configuration
First, ensure that Python3 and the jadx tool are installed on the system. Then, according to the configuration example in the README, add the jadx server settings to the configuration file of the MCP client (such as Claude Desktop).
Start the service
After the configuration is complete, start your MCP client. The client will automatically start the jadx daemon MCP server. Ensure that the relevant dependencies are correctly installed and the Python environment is correctly configured.
Start analysis
In the AI assistant interface, you can start asking questions about APK analysis. For example, you can provide the APK file path and then request to analyze specific functions or find security vulnerabilities.

Usage cases

Security audit
As a security researcher, you need to conduct a security audit of an Android application to check for sensitive information leakage or improper permission usage.
Learn third - party libraries
A developer uses a third - party library in their application, but the documentation is incomplete. They need to understand the internal implementation of the library to solve integration problems.
Reverse engineering learning
Students or beginners hope to learn Android development and reverse engineering techniques by analyzing real applications.

Frequently Asked Questions

Do I need to install the jadx tool in advance?
Can this tool handle fortified or obfuscated applications?
Will analyzing large APK files be slow?
Can I analyze remote APK files on the server?
Is this tool secure? Will it leak the content of my APK files?

Related resources

jadx official GitHub repository
Source code and documentation for the jadx decompilation tool
Model Context Protocol documentation
Official documentation and specifications for the MCP protocol
Android Reverse Engineering Getting Started Guide
Android official guide on application security and reverse engineering
Claude Desktop Configuration Guide
How to configure Claude Desktop to use the MCP server

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "jadx": {
      "disabled": false,
      "timeout": 1800,
      "type": "stdio",
      "command": "python3",
      "args": [
        "jadx-daemon-mcp/server.py"
      ],
      "env": {
        "JADX_DAEMON_MCP_HOST": "localhost"
      }
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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