object_set_bucket_policy · Zadara Storage MCP Server MCP

WHAT IT DOES

What object_set_bucket_policy does on Zadara Storage MCP Server

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

WHY IT NEEDS A POLICY

Why object_set_bucket_policy needs a policy

This tool creates or modifies bucket policies (access control rules), which is a Write operation. While not destructive or financial, setting bucket policies can have significant security implications if misconfigured, potentially exposing storage resources to unauthorized access or overly restrictive lockdown.

From the tool's definition "Set the policy of a bucket" — modifies bucket access control policies, which is a reversible configuration change to storage resources.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

object_set_bucket_policy Rate-limited

object_set_bucket_policy 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": {
    "object_set_bucket_policy": {
      "limits": [
        {
          "counter": "object_set_bucket_policy_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 Zadara Storage MCP Server, so you can run agents against it safely.

FAQ

Questions about object_set_bucket_policy

What does the object_set_bucket_policy tool do? +

Set the policy of a bucket. It is categorised as a Write tool in the Zadara Storage 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 object_set_bucket_policy? +

Register the Zadara Storage MCP Server MCP server in PolicyLayer and add a rule for object_set_bucket_policy: 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 Zadara Storage MCP Server. Nothing to install.

What risk level is object_set_bucket_policy? +

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

Can I rate-limit object_set_bucket_policy? +

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

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

object_set_bucket_policy is provided by the Zadara Storage MCP Server MCP server (zadarastorage/zadara-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.