generateApiKey · My Credentials MCP Server MCP

WHAT IT DOES

What generateApiKey does on My Credentials MCP Server

AI agents use generateApiKey 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 generateApiKey needs a policy

Generating API keys is a credential creation action that modifies the authentication/authorization state of systems. This is reversible (keys can be revoked or regenerated), so it falls under Write rather than Destructive or Execute. While the tool itself doesn't perform destructive operations, misuse could lead to unauthorized API access if generated keys are exposed or used maliciously.

From the tool's definition Tool generates API keys for service authentication, which creates new credentials that will be stored or used for access control. The description explicitly states it 'generates' keys in multiple formats (hex, base64, base64url).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generateApiKey Rate-limited

generateApiKey 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": {
    "generateApiKey": {
      "limits": [
        {
          "counter": "generateapikey_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 generateApiKey

What does the generateApiKey tool do? +

Generate API keys in various formats (hex, base64, base64url) for service authentication. 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 generateApiKey? +

Register the My Credentials MCP Server MCP server in PolicyLayer and add a rule for generateApiKey: 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 generateApiKey? +

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

Can I rate-limit generateApiKey? +

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

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

generateApiKey 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.