smart_identify_hash

THE RISK

Low Risk

Why smart_identify_hash needs a policy

This tool retrieves information about hash types and performs pattern matching analysis on provided hashes. It returns metadata and confidence scores about hash identification but does not execute cracking, modify data, execute commands, delete anything, or move money. The operation is read-only analysis with no side effects, making it a Read category risk with low severity.

From the tool's definition Tool name 'smart_identify_hash' and description 'Enhanced hash identification with pattern matching and confidence scoring' indicate analysis and classification of existing hash data.

Documented attack patterns abuse exactly the kind of access smart_identify_hash gives an agent:

POLICY

How to control smart_identify_hash

PolicyLayer is an MCP gateway — it sits between your AI agents and Hashcat MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for smart_identify_hash:

policy.json

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

smart_identify_hash is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Hashcat MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about smart_identify_hash

What does the smart_identify_hash tool do? +

Enhanced hash identification with pattern matching and confidence scoring. It is categorised as a Read tool in the Hashcat MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on smart_identify_hash? +

Register the Hashcat MCP Server MCP server in PolicyLayer and add a rule for smart_identify_hash: 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 Hashcat MCP Server. Nothing to install.

What risk level is smart_identify_hash? +

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

Can I rate-limit smart_identify_hash? +

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

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

smart_identify_hash is provided by the Hashcat MCP Server MCP server (mordavid/hashcat-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Hashcat MCP Server tool call.

Start from Hashcat MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →