get_credentials_and_secrets

THE RISK

Low Risk

Why get_credentials_and_secrets needs a policy

This tool retrieves pre-discovered credentials and secrets from completed firmware scans—a pure read operation with no side effects. It does not execute code, modify data, delete data, or move money. However, severity is high because exposure of credentials and secrets to an untrusted AI agent could enable account compromise, lateral movement, or system breach if the returned data is then misused.

From the tool's definition Tool name 'get_credentials_and_secrets' indicates retrieval of sensitive authentication material and secrets from firmware analysis results. The 'get_' prefix confirms read-only operation.

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

POLICY

How to control get_credentials_and_secrets

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_credentials_and_secrets:

policy.json

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

get_credentials_and_secrets 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_credentials_and_secrets

What does the get_credentials_and_secrets tool do? +

get_credentials_and_secrets. 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_credentials_and_secrets? +

Register the EMBA- MCP server in PolicyLayer and add a rule for get_credentials_and_secrets: 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_credentials_and_secrets? +

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

Can I rate-limit get_credentials_and_secrets? +

Yes. Add a rate_limit block to the get_credentials_and_secrets 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_credentials_and_secrets completely? +

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

get_credentials_and_secrets 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 →