tool_run_pipeline · Open Google Image Generator MCP

WHAT IT DOES

What tool_run_pipeline does on Open Google Image Generator MCP

AI agents invoke tool_run_pipeline to trigger actions in Open Google Image Generator MCP. 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 tool_run_pipeline needs a policy

This tool executes a sequence of image processing operations whose effects are determined by the arguments (which steps are chained and in what order). While individual steps might be Read or Write operations, the pipeline executor itself triggers external operations (the chained steps) whose outcomes depend on configuration.

From the tool's definition Tool description states it can 'Chain image processing steps sequentially' with step outputs feeding into subsequent steps, enabling sequential execution of transformations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tool_run_pipeline Rate-limited

tool_run_pipeline 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": {
    "tool_run_pipeline": {
      "limits": [
        {
          "counter": "tool_run_pipeline_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 Open Google Image Generator MCP, so you can run agents against it safely.

FAQ

Questions about tool_run_pipeline

What does the tool_run_pipeline tool do? +

Chain image processing steps sequentially. Each step's output becomes the next step's input. It is categorised as a Execute tool in the Open Google Image Generator MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on tool_run_pipeline? +

Register the Open Google Image Generator MCP server in PolicyLayer and add a rule for tool_run_pipeline: 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 Open Google Image Generator MCP. Nothing to install.

What risk level is tool_run_pipeline? +

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

Can I rate-limit tool_run_pipeline? +

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

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

tool_run_pipeline is provided by the Open Google Image Generator MCP server (miracorhan/opengoogleimagegeneratormcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.