Find a company\
AI agents call resolve-company to retrieve information from Ad Library MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to search for or retrieve company information, which is a read operation. The description is truncated ('Find a company\') so confidence is slightly reduced, but in context of an ad library/competitor analysis server, this is almost certainly a lookup/discovery operation with no write or destructive side effects.
From the tool's definition Tool name 'resolve-company' and partial description 'Find a company' — retrieves/looks up company information.
Attacks that exploit this kind of access
Find a company\. It is categorised as a Read tool in the Ad Library MCP MCP Server, which means it retrieves data without modifying state.
Register the Ad Library MCP server in PolicyLayer and add a rule for resolve-company: 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 Ad Library MCP. Nothing to install.
resolve-company 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 resolve-company 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 resolve-company. 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.
resolve-company is provided by the Ad Library MCP server (thedavidquan01/ad-library-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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