List keywords for a profile or campaign
AI agents call list_keywords to retrieve information from Amazon Ads MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple data retrieval operation to enumerate keywords associated with advertising profiles or campaigns. It has no capability to modify, delete, or execute actions. The blast radius of misuse is minimal—an attacker could enumerate keyword data but cannot alter campaigns, spend money, or trigger external operations.
From the tool's definition Tool name 'list_keywords' and description 'List keywords for a profile or campaign' indicate a retrieval/query operation with no modification or side effects.
Attacks that exploit this kind of access
List keywords for a profile or campaign. It is categorised as a Read tool in the Amazon Ads MCP MCP Server, which means it retrieves data without modifying state.
Register the Amazon Ads MCP server in PolicyLayer and add a rule for list_keywords: 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 Ads MCP. Nothing to install.
list_keywords 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_keywords 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_keywords. 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_keywords is provided by the Amazon Ads MCP server (ppcprophet/amazon-ads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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