Analyze a file using various tools (file type, strings, hash)
AI agents call file_analysis to retrieve information from Kali MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads and analyzes file metadata and content characteristics (type detection, string extraction, hash computation) to gather intelligence. These are purely informational operations with no side effects, data modifications, or code execution. While hosted on a penetration testing platform, the tool itself only observes and reports on file properties.
From the tool's definition Tool performs analysis operations: 'file type, strings, hash' - these are non-invasive inspections that retrieve information about file properties without modifying or executing file contents.
Documented attack patterns abuse exactly the kind of access file_analysis gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Kali MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for file_analysis:
{
"version": "1",
"default": "deny",
"tools": {
"file_analysis": {}
}
}file_analysis is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Analyze a file using various tools (file type, strings, hash). It is categorised as a Read tool in the Kali MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kali MCP Server MCP server in PolicyLayer and add a rule for file_analysis: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Kali MCP Server. Nothing to install.
file_analysis is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the file_analysis rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for file_analysis. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
file_analysis is provided by the Kali MCP Server MCP server (k3nn3dy-ai/kali-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Kali MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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36 Kali MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.