gateway_target_get | PolicyLayer

WHAT IT DOES

What gateway_target_get does on Amazon Bedrock Knowledge Base Retrieval MCP Server

AI agents call gateway_target_get to retrieve information from Amazon Bedrock Knowledge Base Retrieval MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why gateway_target_get needs a policy

The naming convention strongly suggests a retrieval operation (get) on a gateway target resource. No modifying, destructive, execution, or financial keywords are present. Despite the lack of explicit description, the tool's position within a knowledge base retrieval service and its naming pattern indicate read-only semantics with minimal blast radius if misused by an agent.

From the tool's definition Tool name 'gateway_target_get' follows a standard read pattern (get suffix) and is deployed on a Bedrock Knowledge Base Retrieval MCP server, which is documented as a retrieval service. The empty description reduces confidence.

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

POLICY

How to control gateway_target_get

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

policy.json

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

gateway_target_get 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 Bedrock Knowledge Base Retrieval 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 gateway_target_get

What does the gateway_target_get tool do? +

gateway_target_get. It is categorised as a Read tool in the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gateway_target_get? +

Register the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server in PolicyLayer and add a rule for gateway_target_get: 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 Bedrock Knowledge Base Retrieval MCP Server. Nothing to install.

What risk level is gateway_target_get? +

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

Can I rate-limit gateway_target_get? +

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

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

gateway_target_get is provided by the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server (awslabs.bedrock-kb-retrieval-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 Bedrock Knowledge Base Retrieval MCP Server tool call.

Start from Amazon Bedrock Knowledge Base Retrieval 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 →

Free to start. No card required.

805 Amazon Bedrock Knowledge Base Retrieval MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.