get_available_services

THE RISK

Low Risk

Why get_available_services needs a policy

The tool name strongly suggests listing or querying available services without modifying state. No description is provided to contradict this assessment, lowering confidence slightly. This is a read operation with minimal blast radius—enumeration of services has no side effects and minimal security impact if misused by an agent.

From the tool's definition Tool name 'get_available_services' indicates a query operation that retrieves information about available services. The pattern is consistent with read-only list/enumerate operations typical in AWS service discovery.

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

POLICY

How to control get_available_services

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

policy.json

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

get_available_services 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 Redshift 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_available_services

What does the get_available_services tool do? +

get_available_services. It is categorised as a Read tool in the Amazon Redshift MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_available_services? +

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

What risk level is get_available_services? +

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

Can I rate-limit get_available_services? +

Yes. Add a rate_limit block to the get_available_services 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_available_services completely? +

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

get_available_services is provided by the Amazon Redshift MCP Server MCP server (awslabs.redshift-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 Redshift MCP Server tool call.

Start from Amazon Redshift 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 →