ctf_get_challenge

Get full details for a specific CTF challenge.

SERVERZebbern Kali MCP SOURCEzebbern/zebbern-kali-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/zebbern-zebbern-kali-mcp/ctf-get-challenge.md

WHAT IT DOES

What ctf_get_challenge does on Zebbern Kali MCP

AI agents call ctf_get_challenge to retrieve information from Zebbern Kali MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why ctf_get_challenge is rated Low

This tool queries and retrieves information about CTF challenges without modifying state, executing commands, or triggering external operations. While the broader server provides penetration testing capabilities (reflected in sibling tools like ad_psexec, ad_secretsdump), this specific tool is constrained to data retrieval.

From the tool's definition Tool name 'ctf_get_challenge' and description 'Get full details for a specific CTF challenge' indicates a retrieval operation. The verb 'Get' and absence of modification, deletion, or execution language confirm read-only semantics.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ctf_get_challenge safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Zebbern Kali MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ctf_get_challenge, this is the rule to start with:

ctf_get_challenge Allowed

ctf_get_challenge is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ctf_get_challenge": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Zebbern Kali MCP, apply this rule, and every ctf_get_challenge call is checked against it from then on.

FAQ

Questions about ctf_get_challenge

What does the ctf_get_challenge tool do? +

Get full details for a specific CTF challenge. It is categorised as a Read tool in the Zebbern Kali MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ctf_get_challenge? +

Register the Zebbern Kali MCP server in PolicyLayer and add a rule for ctf_get_challenge: 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 Zebbern Kali MCP. Nothing to install.

What risk level is ctf_get_challenge? +

ctf_get_challenge is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit ctf_get_challenge? +

Yes. Add a rate_limit block to the ctf_get_challenge 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.

How do I block ctf_get_challenge completely? +

Set action: deny in the PolicyLayer policy for ctf_get_challenge. 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.

What MCP server provides ctf_get_challenge? +

ctf_get_challenge is provided by the Zebbern Kali MCP server (zebbern/zebbern-kali-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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