ophcrack_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/ophcrack-crack.md

WHAT IT DOES

What ophcrack_crack does on Nyxstrike

AI agents invoke ophcrack_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.

RISK

Why ophcrack_crack is rated High

Ophcrack is a password cracking utility. Even with an empty description, the tool name strongly implies it executes password cracking operations, which involves running computationally intensive processes to break authentication credentials.

From the tool's definition Tool name 'ophcrack_crack' references Ophcrack, a well-known password cracking tool that uses rainbow tables to crack Windows password hashes. The server is described as an 'AI Powered penetration testing Platform for offensive security research'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ophcrack_crack safely

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

ophcrack_crack Rate-limited

ophcrack_crack stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ophcrack_crack": {
      "limits": [
        {
          "counter": "ophcrack_crack_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about ophcrack_crack

What does the ophcrack_crack tool do? +

ophcrack_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 ophcrack_crack? +

Register the Nyxstrike MCP server in PolicyLayer and add a rule for ophcrack_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 ophcrack_crack? +

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

Can I rate-limit ophcrack_crack? +

Yes. Add a rate_limit block to the ophcrack_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 ophcrack_crack completely? +

Set action: deny in the PolicyLayer policy for ophcrack_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 ophcrack_crack? +

ophcrack_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.

KEEP EXPLORING

More on Nyxstrike, and thousands of servers like it.

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All high-risk MCP tools → The MCP Attack Database →

Guides

Govern code and CI agents →Agent sandbox →Least privilege for MCP →