get_graph_schema

THE RISK

Low Risk

Why get_graph_schema needs a policy

This tool retrieves schema metadata about a graph structure. The verb 'Get' and the absence of any side effects (no creation, modification, deletion, or execution mentioned) classify it as a Read operation. The severity is low because retrieving schema information poses minimal risk—it does not modify data, execute code, or cause destructive changes.

From the tool's definition Tool name 'get_graph_schema' and description 'Get the schema for the graph including the vertex and edge labels' indicate a retrieval operation with no modification or execution.

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

POLICY

How to control get_graph_schema

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

policy.json

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

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

Create a free account and register Amazon Translate MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about get_graph_schema

What does the get_graph_schema tool do? +

Get the schema for the graph including the vertex and edge labels as well as the. It is categorised as a Read tool in the Amazon Translate MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_graph_schema? +

Register the Amazon Translate MCP Server MCP server in PolicyLayer and add a rule for get_graph_schema: 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 Amazon Translate MCP Server. Nothing to install.

What risk level is get_graph_schema? +

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

Can I rate-limit get_graph_schema? +

Yes. Add a rate_limit block to the get_graph_schema 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_graph_schema completely? +

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

get_graph_schema is provided by the Amazon Translate MCP Server MCP server (awslabs.amazon-translate-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon Translate MCP Server tool call.

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

CHECK YOUR STACK →