get_weak_crypto_and_keys

THE RISK

Low Risk

Why get_weak_crypto_and_keys needs a policy

The 'get_' prefix and position among purely informational query tools indicates a Read operation that queries existing firmware analysis results. While the sensitive nature of cryptographic weakness and key data elevates severity (medium rather than low) due to potential for misuse if keys are exposed, the tool itself performs no destructive, write, execute, or financial operations—it only retrieves data that has…

From the tool's definition Tool name 'get_weak_crypto_and_keys' indicates retrieval ('get') of cryptographic weakness information and key data from firmware analysis results.

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

POLICY

How to control get_weak_crypto_and_keys

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

policy.json

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

get_weak_crypto_and_keys 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 EMBA-MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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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 get_weak_crypto_and_keys

What does the get_weak_crypto_and_keys tool do? +

get_weak_crypto_and_keys. It is categorised as a Read tool in the EMBA-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_weak_crypto_and_keys? +

Register the EMBA- MCP server in PolicyLayer and add a rule for get_weak_crypto_and_keys: 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 EMBA-MCP. Nothing to install.

What risk level is get_weak_crypto_and_keys? +

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

Can I rate-limit get_weak_crypto_and_keys? +

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

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

get_weak_crypto_and_keys is provided by the EMBA- MCP server (0xbuz3r/emba-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every EMBA-MCP tool call.

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

CHECK YOUR STACK →