external-llm-generate · MCP LLM Generator v2 MCP

WHAT IT DOES

What external-llm-generate does on MCP LLM Generator v2

AI agents invoke external-llm-generate to trigger actions in MCP LLM Generator v2. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why external-llm-generate needs a policy

This tool executes outbound API calls to external LLM providers (OpenAI, Claude, etc.), which constitutes triggering external operations. Misuse could result in significant API cost accumulation, data exfiltration via prompts, or unintended content generation. The blast radius is high because it involves external service calls that may incur costs and expose sensitive data to third parties.

From the tool's definition 'Generate text using external LLM APIs (OpenAI, Claude, etc.)' — triggers calls to external third-party API services

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

external-llm-generate Rate-limited

external-llm-generate stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "external-llm-generate": {
      "limits": [
        {
          "counter": "external-llm-generate_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP LLM Generator v2, so you can run agents against it safely.

FAQ

Questions about external-llm-generate

What does the external-llm-generate tool do? +

Generate text using external LLM APIs (OpenAI, Claude, etc.). It is categorised as a Execute tool in the MCP LLM Generator v2 MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on external-llm-generate? +

Register the MCP LLM Generator v2 MCP server in PolicyLayer and add a rule for external-llm-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 MCP LLM Generator v2. Nothing to install.

What risk level is external-llm-generate? +

external-llm-generate is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit external-llm-generate? +

Yes. Add a rate_limit block to the external-llm-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 external-llm-generate completely? +

Set action: deny in the PolicyLayer policy for external-llm-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 external-llm-generate? +

external-llm-generate is provided by the MCP LLM Generator v2 MCP server (mako10k/mcp-llm-generator). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.