key_generate · Litellm MCP: Risk & Policy

WHAT IT DOES

What key_generate does on Litellm

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

WHY IT NEEDS A POLICY

Why key_generate needs a policy

This tool creates new API keys, which are reversibly created credentials. While not destructive (keys can be revoked), this is a Write operation that generates secrets with access implications.

From the tool's definition Tool name is 'key_generate' and description states it 'Generate a new LiteLLM Proxy API key'. The /key/generate endpoint creates new authentication credentials.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

key_generate Rate-limited

key_generate 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": {
    "key_generate": {
      "limits": [
        {
          "counter": "key_generate_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 Litellm, so you can run agents against it safely.

FAQ

Questions about key_generate

What does the key_generate tool do? +

Generate a new LiteLLM Proxy API key (/key/generate). It is categorised as a Write tool in the Litellm MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on key_generate? +

Register the Litellm MCP server in PolicyLayer and add a rule for key_generate: 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 Litellm. Nothing to install.

What risk level is key_generate? +

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

Can I rate-limit key_generate? +

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

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

key_generate is provided by the Litellm MCP server (litellm-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.