stats_ingest · CyPerf MCP Server MCP: Risk & Policy

WHAT IT DOES

What stats_ingest does on CyPerf MCP Server

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

WHY IT NEEDS A POLICY

Why stats_ingest needs a policy

'Ingest' means bringing external data into the system, which is a write/create operation. It does not delete data or execute arbitrary code, though the plugin mechanism introduces some uncertainty. Severity is medium because injecting external statistics could corrupt test results or mislead analysis, but it's not inherently destructive or financial.

From the tool's definition Ingest external statistics via a plugin

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

stats_ingest Rate-limited

stats_ingest 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": {
    "stats_ingest": {
      "limits": [
        {
          "counter": "stats_ingest_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 CyPerf MCP Server, so you can run agents against it safely.

FAQ

Questions about stats_ingest

What does the stats_ingest tool do? +

[Statistics] Ingest external statistics via a plugin. It is categorised as a Write tool in the CyPerf MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on stats_ingest? +

Register the CyPerf MCP Server MCP server in PolicyLayer and add a rule for stats_ingest: 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 CyPerf MCP Server. Nothing to install.

What risk level is stats_ingest? +

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

Can I rate-limit stats_ingest? +

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

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

stats_ingest is provided by the CyPerf MCP Server MCP server (keysight/cyperf-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.