generate_and_wait · LiblibAI Picture Generator MCP

WHAT IT DOES

What generate_and_wait does on LiblibAI Picture Generator

AI agents invoke generate_and_wait to trigger actions in LiblibAI Picture Generator. 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 generate_and_wait needs a policy

This tool triggers an external operation (AI image generation via an external API) and waits for it to complete. It consumes account credits (financial side effect is secondary but present), creates image artifacts, and executes an end-to-end pipeline.

From the tool's definition 生成图片并等待完成（一站式服务） — 'generate and wait for completion, one-stop service'; triggers external AI image generation via LiblibAI API and polls until done

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_and_wait Rate-limited

generate_and_wait 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": {
    "generate_and_wait": {
      "limits": [
        {
          "counter": "generate_and_wait_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 LiblibAI Picture Generator, so you can run agents against it safely.

FAQ

Questions about generate_and_wait

What does the generate_and_wait tool do? +

生成图片并等待完成（一站式服务）. It is categorised as a Execute tool in the LiblibAI Picture Generator MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on generate_and_wait? +

Register the LiblibAI Picture Generator MCP server in PolicyLayer and add a rule for generate_and_wait: 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 LiblibAI Picture Generator. Nothing to install.

What risk level is generate_and_wait? +

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

Can I rate-limit generate_and_wait? +

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

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

generate_and_wait is provided by the LiblibAI Picture Generator MCP server (nathansnmmer/picture). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.