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CyberChef API MCP Server

Security analysts and developers who decode or transform data, such as encoded strings or log entries, and want the steps saved as a recipe.

  • Recommendedour rating
  • 44gitHub stars
  • MITlicence
  • 6 months agolast update
claude mcp add cyberchef-api-mcp-server -e CYBERCHEF_API_URL=your-cyberchef-api-url -- uv run --with 'mcp[cli]' --directory cyberchef-api-mcp-server/cyberchef_api_mcp_server/ mcp run server.py
README.md

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What it does

An MCP server that connects an AI client to a CyberChef Server API. It exposes CyberChef's operation categories, runs recipes on one input or on a batch, and offers the magic operation, which tries to detect how data is encoded and decode it. A running CyberChef API is required.

Use cases

  1. 01Decode a string whose encoding is unknown
  2. 02Run one recipe across a batch of inputs
  3. 03Find the CyberChef operations for a category

Questions about
CyberChef API MCP Server.

What is CyberChef API MCP Server used for?

Security analysts and developers who decode or transform data, such as encoded strings or log entries, and want the steps saved as a recipe. An MCP server that connects an AI client to a CyberChef Server API. It exposes CyberChef's operation categories, runs recipes on one input or on a batch, and offers the magic operation, which tries to detect how data is encoded and decode it. A running CyberChef API is required.

How do I install CyberChef API MCP Server?

Run this in your terminal: claude mcp add cyberchef-api-mcp-server -e CYBERCHEF_API_URL=your-cyberchef-api-url -- uv run --with 'mcp[cli]' --directory cyberchef-api-mcp-server/cyberchef_api_mcp_server/ mcp run server.py

Is CyberChef API MCP Server open source?

Yes. The code is on GitHub (slouchd/cyberchef-api-mcp-server) under the MIT licence.

Is CyberChef API MCP Server safe to use?

It passed our automatic scan for credential theft, hidden instructions and risky install commands. Third party open source software. Sabemos AI does not maintain it. Check the code and permissions before you connect it to company data.