add_communication_to_case

THE RISK

Medium Risk

Why add_communication_to_case needs a policy

The tool performs a reversible write operation—adding a communication message to a case object. This creates or appends data without permanent deletion or irreversible consequences. While the empty description limits full context, the action is clearly additive (Write) rather than Read, Destructive, Execute, or Financial.

From the tool's definition Tool name 'add_communication_to_case' indicates creation/modification of data (adding a communication entry to a support case). The verb 'add' is typical of Write operations. Description is empty, reducing confidence slightly.

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

POLICY

How to control add_communication_to_case

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 add_communication_to_case:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_communication_to_case": {
      "limits": [
        {
          "counter": "add_communication_to_case_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

add_communication_to_case stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. 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.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Govern customer-ops agents → PII redaction, approval on external messages, and no-bulk-delete rules on the records agents change.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
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PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about add_communication_to_case

What does the add_communication_to_case tool do? +

add_communication_to_case. It is categorised as a Write tool in the Amazon Translate MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_communication_to_case? +

Register the Amazon Translate MCP Server MCP server in PolicyLayer and add a rule for add_communication_to_case: 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 add_communication_to_case? +

add_communication_to_case is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_communication_to_case? +

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

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

add_communication_to_case 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 →