AI agents call ebay_get_ads to retrieve information from Ebay without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing ad data for a campaign. It performs a query operation that does not create, modify, delete, or execute any actions. The retrieval of ad information has no side effects and is a read-only operation, placing it firmly in the Read category.
From the tool's definition Tool name is 'ebay_get_ads' and description states 'Get all ads for a campaign with optional filters.' The verb 'Get' and action of retrieving/querying campaign ads with filters indicates data retrieval with no side effects.
Documented attack patterns abuse exactly the kind of access ebay_get_ads gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ebay, and nothing reaches the server without passing your rules. This is the rule we recommend for ebay_get_ads:
{
"version": "1",
"default": "deny",
"tools": {
"ebay_get_ads": {}
}
}ebay_get_ads is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all ads for a campaign with optional filters. It is categorised as a Read tool in the Ebay MCP Server, which means it retrieves data without modifying state.
Register the Ebay MCP server in PolicyLayer and add a rule for ebay_get_ads: 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 Ebay. Nothing to install.
ebay_get_ads 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 ebay_get_ads 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 ebay_get_ads. 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.
ebay_get_ads is provided by the Ebay MCP server (yosefhayim/ebay-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 332 Ebay tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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332 Ebay tools catalogued and risk-classified — across an index of 42,500+ MCP servers.