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MCP Joern
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MCP Joern

An MCP server project based on Joern, providing code review and security analysis functions.
SecurityDeveloper tools#Code review#Security analysis#Joern tool.Python
2.5 points
9.5K
Open Site

Overview

Content Details

Alternatives

What is Joern MCP Server?

The Joern MCP Server is a specialized service that enhances Joern's code analysis capabilities by providing a protocol for model context interaction. It helps developers identify security vulnerabilities and review code more efficiently.

How to use Joern MCP Server?

The server runs alongside Joern and processes requests for code analysis. You interact with it through configured clients that send analysis requests and receive structured results.

Use Cases

Ideal for security researchers analyzing code vulnerabilities, developers conducting code reviews, and teams implementing automated security checks in their CI/CD pipeline.

Key Features

Advanced Code Analysis
Leverages Joern's code property graphs to perform deep static analysis of source code.
AI-Assisted Review
Integrates with large language models to provide intelligent code review suggestions.
Extensible Toolset
Supports custom analysis tools written in Scala that can be imported into the server.
Advantages
Provides structured access to Joern's analysis capabilities
Supports custom analysis tools for specialized use cases
Enables integration with AI models for enhanced code review
Limitations
Requires significant memory resources (40GB+ recommended)
Setup involves multiple configuration steps
Limited to languages supported by Joern

Getting Started

Install Dependencies
Ensure you have Python 3.10+ and Joern installed on your system.
Set Up the Environment
Clone the repository and install Python dependencies using uv.
Start Joern Server
Launch the Joern server with the required configuration.
Configure MCP Client
Update the .env file with your server credentials and test the connection.

Example Use Cases

Identifying Vulnerabilities
Find potential security vulnerabilities in a codebase by analyzing data flows.
API Usage Analysis
Identify all external API calls and their parameters in the code.

Frequently Asked Questions

What are the system requirements?
How do I add custom analysis tools?
Can I use this with other code analysis tools?

Additional Resources

Joern Documentation
Official documentation for Joern server
JEB MCP Reference
Reference implementation of MCP protocol
Joern Interpreter Guide
Guide to Joern's query language

Installation

Copy the following command to your Client for configuration
Note: Your key is sensitive information, do not share it with anyone.

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