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A Ghidra extension that provides a Model Context Protocol (MCP) server for AI-assisted reverse engineering
ReVa (Reverse Engineering Assistant) is a Ghidra MCP server that enables AI language models to interact with Ghidra's powerful reverse engineering capabilities. ReVa uses state of the art techniques to limit and enable long form reverse engineering tasks.
MCP server for reverse engineering tasks in Ghidra 👩💻
ReVa is different from other efforts at building AI assistants for RE tasks because it uses a tool driven approach with a focus on designing tools for effective LLM use. ReVa aims to provide a variety of small tools to the LLM, just as your RE environment provides a set of small tools to you.
Each of the tools given to the LLM are constructed to be easy for the LLM to use and to tolerate a variety of inputs and to reduce hallucination by the LLM. We do this by providing the LLM with a schema but tolerating other input, including descriptions that guide the LLM,and redirecting correctable mistakes back to the LLM, and including extra output to guide the next decision by the LLM.
ReVa's tools differ to other solutions, they provide smaller, critical fragments with reinforcement and links to other relevant information to reduce context usage and hallucination. This greatly improves performance, especially on long form reverse engineering tasks. This allows ReVa to handle large binaries and even entire firmware images.
To encourage exploration as a human would, we report additional context like the namespace and cross references along with the decompilation, this is a small nudge to make the LLM explore the binary in the same way a human would.
Using this technique you can ask general questions and get relevant answers. The model prioritises information from the tools, but when there is no information it can still respond to generic questions from its training.
As an MCP server, ReVa can be used alongside other MCP servers to enrich its analysis. For example you can use the GitHub MCP Server to allow ReVa access to source code on GitHub, or the Kagi MCP Server to allow ReVa to search the web.
You can ask questions like:
__mod_init segment.mmap return?NOTE: ReVa only supports Ghidra 12.0 and above!
ReVa is a Ghidra extension. To install it, you can download the release for your version of Ghidra from the releases page and install it using the Ghidra extension manager.
Alternatively, you can build it from source. To do this, clone the repository and run the following command:
export GHIDRA_INSTALL_DIR=/path/to/ghidra
gradle install
After installing the extension you need to activate it in two places:
NOTE: ReVa provides access to the PyGhidra scripting environment. If you allow ReVa to listen on a public interface, either enable the API key authentication or disable the scripting tools in the settings. The default configuration is to listen on localhost and allow the scripting tools.
There are two ways to use ReVa, with the Ghidra UI in assistant mode or in headless mode. Headless mode is ideal for automation and CI/CD pipelines, while the assistant mode is great for interactive analysis.
In assistant mode, ReVa connects to your running Ghidra and can work with you on your project. It can work in real time on the same file or on other files in your project. This is useful for deep analysis, ReVa can help identify algorithms, rename variables, fix datatypes, and many other parts of analysis.
In headless mode, ReVa runs without the Ghidra UI. This is useful for automation, CI/CD pipelines, or when you want to run ReVa in a pipeline. ReVa manages starting Ghidra and projects for you. Projects in headless mode are ephemeral (session-scoped) and automatically cleaned up. This is useful when you do not need the Ghidra UI and want ReVa to work on its own.
You select which mode with the MCP configuration in your MCP client.
In assistant mode, you run Ghidra with ReVa installed and connect your MCP client to the ReVa MCP server running in Ghidra. You must first start Ghidra and open a project.
ReVa uses the streamable MCP transport
and will listen on port 8080 by default, you can change this in the Ghidra settings from the project view. This allows many clients to connect to the same UI for interactive use.
Claude Code is the recommended client for ReVa, performance is excellent and Claude Code handles large binaries and projects well.
claude mcp add --scope user --transport http ReVa -- http://localhost:8080/mcp/message
When you use the claude command with Ghidra open it will connect to the ReVa MCP server.
You can check with /mcp in the Claude Code chat to see if it is connected.
To enable all ReVa commands by default, and avoid prompts for tool use, you can use
the /permissions command in Claude Code and add a rule for mcp__ReVa. This will
allow ReVa to use all of its tools without prompting you for permission.
VSCode has a built in MCP client, instructions to configure it can be found in the GitHub Copilot documentation.
{
"mcp": {
"servers": {
"ReVa Assistant": {
"type": "http",
"url": "http://localhost:8080/mcp/message"
}
}
}
}
ReVa can run in headless Ghidra mode without the GUI, making it ideal for:
# Set Ghidra installation directory, this must always be in your environment
export GHIDRA_INSTALL_DIR=/path/to/ghidra
uv tool install reverse-engineering-assistant
claude mcp add --scope user ReVa -- mcp-reva
claude -p "Import /bin/ls with ReVa and tell me how it works"
A project will be created in the current working directory in .reva/projects/.
If you run claude from the same directory, you can import many files into the same project. Just ask ReVa to work on the new file.
You can also use ReVa directly from PyGhidra scripts:
import pyghidra
pyghidra.start()
from reva.headless import RevaHeadlessLauncher
# Start server
launcher = RevaHeadlessLauncher()
launcher.start()
if launcher.waitForServer(30000):
print(f"Server ready on port {launcher.getPort()}")
# ... your analysis code with your agent ...
launcher.stop()
The ReVa repo includes a Claude Code marketplace and plugins to make using ReVa easier. These include skills and scripts to help ReVa work better with Claude Code.
You can install with:
claude plugin marketplace add cyberkaida/reverse-engineering-assistant
This will add the ReVa skills to your Claude Code installation.
I will be adding more skills over time to help with reverse engineering tasks.
Do you like my work? Want to support this project and others? Interested in how this project was designed and built? This project and many others are built live on my stream at https://twitch.tv/cyberkaida !
MCP server for reverse engineering tasks in Ghidra 👩💻
Herramientas
Aún no hay lista de herramientas. Los servidores remotos la reciben tras la primera comprobación de estado.
Preguntas frecuentes
Copia en esta página la configuración stdio para Cursor, Claude Desktop, Claude Code o VS Code. Usa la instalación del publicador, no un proxy de PlugMCP.
Este registro no indica ninguna variable de entorno obligatoria.
Reverse Engineering Assistant se ejecuta localmente por stdio.
Última comprobación: 2026-11-15. MCP server for reverse engineering tasks in Ghidra 👩💻
