CyberChef API MCP Server
MCP server enabling LLMs to access CyberChef's powerful data analysis and processing tools.
Key Features
Use Cases
README
CyberChef API MCP Server
This model context protocol (MCP) server interfaces with the CyberChef Server API. Allowing you to use any LLM/MCP client of your choosing to utilise the tools and resources within CyberChef.
🧰 Available Tools and Resources
get_cyberchef_operations_categories: resource - gets updated Cyber Chef categories for additional context / selection of the correct operationsget_cyberchef_operation_by_category: resource - gets list of Cyber Chef operations for a selected categorybake_recipe: tool - bake (execute) a recipe (a list of operations) in order to derive an outcome from the input databatch_bake_recipe: tool - bake (execute) a recipe (a list of operations) in order to derive an outcome from a batch of input dataperform_magic_operation: tool - perform CyberChef's magic operation which is designed to automatically detect how your data is encoded and which operations can be used to decode it
📝 Usage
Start the server using the default stdio transport and specifying an environment variable pointing to a CyberChef API
CYBERCHEF_API_URL="your-cyberchef-api-url" uv run cyberchef_api_mcp_server
🧑💻Usage (Development)
Start the server and test it with the MCP inspector
uv add "mcp[cli]"
mcp dev server.py
📚 Client Configuration
The following commands will generate a client configuration file, the location will depend on your operating system
uv add "mcp[cli]"
mcp install server.py --name "CyberChef API MCP Server"
[!TIP] After running the above command you can then tweak the client configuration to include the environment variable for the CyberChef API URL
{
"mcpServers": {
"CyberChef API MCP Server": {
"command": "uv",
"args": [
"run",
"--with",
"mcp[cli]",
"--directory",
"cyberchef-api-mcp-server/cyberchef_api_mcp_server/",
"mcp",
"run",
"server.py"
],
"env": {
"CYBERCHEF_API_URL": "your-cyberchef-api-url"
}
}
}
}
🔍 Demo
Using the MCP server in this example use case, the following prerequisites apply:
- You must have Claude desktop installed
- Have a running CyberChef API instance or one you are able to use
Here is a basic prompt being solved using the MCP server tools:
🙇 References
🪪 License
MIT License
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Repository Owner
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Repository Details
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