ga4_create_data_stream · Mimi Seed MCP: Risk & Policy

WHAT IT DOES

What ga4_create_data_stream does on Mimi Seed

AI agents use ga4_create_data_stream to create or update resources in Mimi Seed — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mimi Seed environment.

WHY IT NEEDS A POLICY

Why ga4_create_data_stream needs a policy

This tool creates new Google Analytics 4 data streams, which modifies the analytics configuration reversibly. It does not execute arbitrary code, delete data, or move money. While it creates configuration objects that could theoretically be misused to inject tracking into applications, the primary risk is data creation and modification of analytics setup.

From the tool's definition Tool description states 'GA4 property에 data stream 생성' (create data stream in GA4 property). The verb 'create' and the action of generating new analytics data streams (returning measurementId or firebaseAppId) indicate data creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ga4_create_data_stream Rate-limited

ga4_create_data_stream 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": {
    "ga4_create_data_stream": {
      "limits": [
        {
          "counter": "ga4_create_data_stream_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 Mimi Seed, so you can run agents against it safely.

FAQ

Questions about ga4_create_data_stream

What does the ga4_create_data_stream tool do? +

GA4 property 에 data stream 생성. web → measurementId(G-XXXX) 반환, android/ios → firebaseAppId 반환(Firebase 링크 시). RN 앱은 android/ios 스트림 사용. It is categorised as a Write tool in the Mimi Seed MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ga4_create_data_stream? +

Register the Mimi Seed MCP server in PolicyLayer and add a rule for ga4_create_data_stream: 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 Mimi Seed. Nothing to install.

What risk level is ga4_create_data_stream? +

ga4_create_data_stream is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ga4_create_data_stream? +

Yes. Add a rate_limit block to the ga4_create_data_stream 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 ga4_create_data_stream completely? +

Set action: deny in the PolicyLayer policy for ga4_create_data_stream. 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 ga4_create_data_stream? +

ga4_create_data_stream is provided by the Mimi Seed MCP server (@yoonion/mimi-seed-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.