Low Risk

get_table_metadata_location

Get the location of the S3 table metadata. Gets the S3 URI location of the table metadata, which contains the schema and other table configuration information. Permissions: You must have the s3tables:GetTableMetadataLocation permission to use this operation.

How to control get_table_metadata_location ↓

What get_table_metadata_location does on AWS

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

Low Risk

Why get_table_metadata_location needs a policy

This tool retrieves metadata about table location and schema configuration without side effects. It is a pure read operation that queries data (S3 URI and configuration) without creating, modifying, deleting, or executing anything. The blast radius of misuse is minimal—an attacker could enumerate table configurations but cannot modify data or trigger operations.

From the tool's definition Tool description explicitly states 'Gets the S3 URI location of the table metadata' with no mention of modification, deletion, or execution. The operation retrieves configuration information only.

Documented attack patterns abuse exactly the kind of access get_table_metadata_location gives an agent:

How to control get_table_metadata_location

PolicyLayer is an MCP gateway — it sits between your AI agents and AWS, and nothing reaches the server without passing your rules. This is the rule we recommend for get_table_metadata_location:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_table_metadata_location": {}
  }
}

get_table_metadata_location is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register AWS — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about get_table_metadata_location

What does the get_table_metadata_location tool do? +

Get the location of the S3 table metadata. Gets the S3 URI location of the table metadata, which contains the schema and other table configuration information. Permissions: You must have the s3tables:GetTableMetadataLocation permission to use this operation. 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 get_table_metadata_location? +

Register the AWS MCP server in PolicyLayer and add a rule for get_table_metadata_location: 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 get_table_metadata_location? +

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

Can I rate-limit get_table_metadata_location? +

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

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

get_table_metadata_location 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.

Enforce policy on every AWS tool call.

Start from AWS, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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300 AWS tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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