update_image_set_metadata · Awslabs Valkey MCP

WHAT IT DOES

What update_image_set_metadata does on Awslabs Valkey

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

WHY IT NEEDS A POLICY

Why update_image_set_metadata needs a policy

The 'update' operation modifies metadata, which is a reversible write action. Without a detailed description, confidence is moderate. The metadata update could affect image set properties or configurations but is not destructive (no deletion) or financial.

From the tool's definition Tool name 'update_image_set_metadata' indicates modification of metadata associated with an image set. The verb 'update' signifies a write operation that alters existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_image_set_metadata Rate-limited

update_image_set_metadata 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": {
    "update_image_set_metadata": {
      "limits": [
        {
          "counter": "update_image_set_metadata_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 Awslabs Valkey, so you can run agents against it safely.

FAQ

Questions about update_image_set_metadata

What does the update_image_set_metadata tool do? +

update_image_set_metadata. It is categorised as a Write tool in the Awslabs Valkey MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_image_set_metadata? +

Register the Awslabs Valkey MCP server in PolicyLayer and add a rule for update_image_set_metadata: 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 Awslabs Valkey. Nothing to install.

What risk level is update_image_set_metadata? +

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

Can I rate-limit update_image_set_metadata? +

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

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

update_image_set_metadata is provided by the Awslabs Valkey MCP server (awslabs.valkey-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.