LocalFree

Cyber Chef MCP server

noor202401938-netizen/cyber-chef-mcp

CyberChef MCP server providing 28 core data transformations, ciphers, hashing, JWT decoding, representation-calibrated Shannon entropy, and multi-layer payload deobfuscation for AI coding and security agents. npx -y @noorfatima123456/cyber-chef-mcp

3 GitHub stars2 forks
Source code

Install Cyber Chef in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add cyber-chef -- <command to start the server>

Frequently asked questions

What does the Cyber Chef MCP server do?

CyberChef MCP server providing 28 core data transformations, ciphers, hashing, JWT decoding, representation-calibrated Shannon entropy, and multi-layer payload deobfuscation for AI coding and security agents. npx -y @noorfatima123456/cyber-chef-mcp

Is the Cyber Chef MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Cyber Chef run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Cyber Chef to Claude Code?

Follow the install steps in the project's README at https://github.com/noor202401938-netizen/cyber-chef-mcp, then register it with "claude mcp add".

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