activate_pipeline · NeuronSearchLab MCP: Risk & Policy

WHAT IT DOES

What activate_pipeline does on NeuronSearchLab

AI agents invoke activate_pipeline to trigger actions in NeuronSearchLab. 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 activate_pipeline needs a policy

Activating a pipeline triggers an external operational state change — it switches a ranking pipeline from inactive to active, causing it to begin serving results to users. This is not merely writing config data; it triggers live system behavior. The blast radius is high because misactivating the wrong pipeline could immediately affect all users receiving recommendations.

From the tool's definition Activate a ranking pipeline so it begins serving ranked results

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

activate_pipeline Rate-limited

activate_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": {
    "activate_pipeline": {
      "limits": [
        {
          "counter": "activate_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 NeuronSearchLab, so you can run agents against it safely.

FAQ

Questions about activate_pipeline

What does the activate_pipeline tool do? +

Activate a ranking pipeline so it begins serving ranked results. It is categorised as a Execute tool in the NeuronSearchLab MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on activate_pipeline? +

Register the NeuronSearchLab MCP server in PolicyLayer and add a rule for activate_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 NeuronSearchLab. Nothing to install.

What risk level is activate_pipeline? +

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

Can I rate-limit activate_pipeline? +

Yes. Add a rate_limit block to the activate_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 activate_pipeline completely? +

Set action: deny in the PolicyLayer policy for activate_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 activate_pipeline? +

activate_pipeline is provided by the NeuronSearchLab MCP server (neuronsearchlab/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.