john_crack

A execute tool on the Nyxstrike MCP server.

SERVERNyxstrike SOURCECommonHuman-Lab/nyxstrike
High RISK CLASS
Category Execute
Parameters 00 required
Recommended Rate-limitedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nyxstrike/john-crack.md

What john_crack does on Nyxstrike

AI agents invoke john_crack to trigger actions in Nyxstrike. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

Why john_crack is rated High

'john_crack' almost certainly refers to John the Ripper, a well-known password cracking tool. On an offensive security/pentesting platform, this would execute password cracking operations against hashed credentials. The description is empty, lowering confidence slightly, but the server context (penetration testing, alongside aircrack-ng and payload generation tools) and the tool name make this near-certain.

From the tool's definition Tool name 'john_crack' on a penetration testing platform alongside tools like 'aircrack_ng', 'advanced_payload_generation', and 'ai_generate_attack_suite' strongly implies use of John the Ripper password cracker.

Questions about john_crack

What does the john_crack tool do? +

john_crack is a execute tool on the Nyxstrike MCP server. It is categorised as a Execute tool in the Nyxstrike MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on john_crack? +

Register the Nyxstrike MCP server in PolicyLayer and add a rule for john_crack: 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 Nyxstrike. Nothing to install.

What risk level is john_crack? +

john_crack is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit john_crack? +

Yes. Add a rate_limit block to the john_crack 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 john_crack completely? +

Set action: deny in the PolicyLayer policy for john_crack. 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 john_crack? +

john_crack is provided by the Nyxstrike MCP server (CommonHuman-Lab/nyxstrike). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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