List ad sets inside a campaign or an ad account.
AI agents call list_adsets to retrieve information from Claude Meta without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns data about existing ad sets without creating, modifying, or deleting any resources. It is a straightforward data retrieval operation with no capacity to alter state or cause harm. The low severity reflects that exposure of ad set metadata poses minimal risk in the context of an AI agent misuse scenario.
From the tool's definition Tool name 'list_adsets' and description 'List ad sets inside a campaign or an ad account' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List ad sets inside a campaign or an ad account. It is categorised as a Read tool in the Claude Meta MCP Server, which means it retrieves data without modifying state.
Register the Claude Meta MCP server in PolicyLayer and add a rule for list_adsets: 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 Claude Meta. Nothing to install.
list_adsets 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_adsets 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_adsets. 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_adsets is provided by the Claude Meta MCP server (maxx3250/claude-meta-mcp). 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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