Lists Internet Gateways and their attachments.
AI agents call list_internet_gateways to retrieve information from AWS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates network gateway resources and their associations. It performs no modifications, executions, or deletions. The server is explicitly described as 'read-only,' and this tool's function (listing/querying) aligns with the Read category. Severity is low because exposing infrastructure inventory data poses minimal immediate risk compared to modification or execution capabilities.
From the tool's definition Tool name is 'list_internet_gateways' and description states it 'Lists Internet Gateways and their attachments' — a purely read-only operation that retrieves existing infrastructure data without modification, deletion, or execution of commands.
Attacks that exploit this kind of access
Lists Internet Gateways and their attachments. It is categorised as a Read tool in the AWS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS MCP Server MCP server in PolicyLayer and add a rule for list_internet_gateways: 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 AWS MCP Server. Nothing to install.
list_internet_gateways is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_internet_gateways 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.
Set action: deny in the PolicyLayer policy for list_internet_gateways. 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.
list_internet_gateways is provided by the AWS MCP Server MCP server (sergiosediq/aws-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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