list_tags_for_resource

List tags for a resource.

SERVERAWS SOURCE@awslabs/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/aws/list-tags-for-resource.md

WHAT IT DOES

What list_tags_for_resource does on AWS

AI agents call list_tags_for_resource to retrieve information from AWS without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_tags_for_resource is rated Low

This tool queries and retrieves existing tag metadata associated with AWS resources. It performs no write, delete, or execution operations—purely informational retrieval. The blast radius of misuse is minimal since tags are typically non-sensitive metadata, and reading them poses no direct risk to system integrity or data security.

From the tool's definition Tool name 'list_tags_for_resource' and description 'List tags for a resource' indicate a query operation that retrieves metadata without modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_tags_for_resource safely

PolicyLayer is an MCP gateway: it sits between your AI agents and AWS, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_tags_for_resource, this is the rule to start with:

list_tags_for_resource Allowed

list_tags_for_resource is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_tags_for_resource": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AWS, apply this rule, and every list_tags_for_resource call is checked against it from then on.

FAQ

Questions about list_tags_for_resource

What does the list_tags_for_resource tool do? +

List tags for a resource. It is categorised as a Read tool in the AWS MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_tags_for_resource? +

Register the AWS MCP server in PolicyLayer and add a rule for list_tags_for_resource: 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 AWS. Nothing to install.

What risk level is list_tags_for_resource? +

list_tags_for_resource is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_tags_for_resource? +

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

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

list_tags_for_resource is provided by the AWS MCP server (@awslabs/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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