create_grail_bucket · Dynatrace SaaS MCP Server MCP

WHAT IT DOES

What create_grail_bucket does on Dynatrace SaaS MCP Server

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

WHY IT NEEDS A POLICY

Why create_grail_bucket needs a policy

This tool creates a new resource (Grail bucket) in the Dynatrace storage system, which is a reversible write operation. It does not execute arbitrary code, delete data, or involve financial transactions.

From the tool's definition Tool description explicitly states "Create a new custom Grail retention bucket" and labels it as "WRITE". The verb "Create" and the WRITE classification confirm this modifies system state by adding a new storage configuration artifact.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_grail_bucket Rate-limited

create_grail_bucket 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": {
    "create_grail_bucket": {
      "limits": [
        {
          "counter": "create_grail_bucket_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 Dynatrace SaaS MCP Server, so you can run agents against it safely.

FAQ

Questions about create_grail_bucket

What does the create_grail_bucket tool do? +

Create a new custom Grail retention bucket (WRITE, Dynatrace Storage Management v1). It is categorised as a Write tool in the Dynatrace SaaS 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 create_grail_bucket? +

Register the Dynatrace SaaS MCP Server MCP server in PolicyLayer and add a rule for create_grail_bucket: 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 Dynatrace SaaS MCP Server. Nothing to install.

What risk level is create_grail_bucket? +

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

Can I rate-limit create_grail_bucket? +

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

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

create_grail_bucket is provided by the Dynatrace SaaS MCP Server MCP server (mnmozi/dynatrace-mcp-saas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.