generatePassword · My Credentials MCP Server MCP

WHAT IT DOES

What generatePassword does on My Credentials MCP Server

AI agents use generatePassword to create or update resources in My Credentials MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your My Credentials MCP Server environment.

WHY IT NEEDS A POLICY

Why generatePassword needs a policy

The tool generates passwords, which is a write operation—it produces new data artifacts that are typically persisted or registered in authentication systems. While password generation itself is reversible (unlike deletion), it results in data creation.

From the tool's definition Tool named 'generatePassword' that 'Generate secure passwords with customizable requirements including character types, length, and complexity rules.' This creates new password data that may be stored, registered, or used in systems.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generatePassword Rate-limited

generatePassword stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generatePassword": {
      "limits": [
        {
          "counter": "generatepassword_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches My Credentials MCP Server, so you can run agents against it safely.

FAQ

Questions about generatePassword

What does the generatePassword tool do? +

Generate secure passwords with customizable requirements including character types, length, and complexity rules. It is categorised as a Write tool in the My Credentials MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on generatePassword? +

Register the My Credentials MCP Server MCP server in PolicyLayer and add a rule for generatePassword: 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 My Credentials MCP Server. Nothing to install.

What risk level is generatePassword? +

generatePassword is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit generatePassword? +

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

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

generatePassword is provided by the My Credentials MCP Server MCP server (preangelleo/my-credentials-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.