esm_kafka_resolution

THE RISK

Low Risk

Why esm_kafka_resolution needs a policy

The description is empty and the tool name is ambiguous. 'esm_kafka_resolution' could relate to event source mapping (ESM) Kafka configuration, but without any description or context, it is impossible to determine the actual operation performed. Confidence is very low; defaulting to Other due to insufficient information.

From the tool's definition Tool name 'esm_kafka_resolution' and empty description provide no actionable information about what this tool does.

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

POLICY

How to control esm_kafka_resolution

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 esm_kafka_resolution:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "esm_kafka_resolution": {
      "limits": [
        {
          "counter": "esm_kafka_resolution_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

esm_kafka_resolution gets a rate cap, and 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.

SET A RULE FOR 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.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
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 esm_kafka_resolution

What does the esm_kafka_resolution tool do? +

esm_kafka_resolution. It is categorised as a Other tool in the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on esm_kafka_resolution? +

Register the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server in PolicyLayer and add a rule for esm_kafka_resolution: 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 esm_kafka_resolution? +

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

Can I rate-limit esm_kafka_resolution? +

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

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

esm_kafka_resolution 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 →