AI agents call ebay_get_email_campaigns 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 or queries email marketing campaign information without modifying, deleting, or executing any operations. It has no side effects and does not commit financial obligations or trigger external actions. The read-only nature and limited blast radius (data exposure only) justify low severity classification.
From the tool's definition Tool name 'ebay_get_email_campaigns' and description 'Get all email marketing campaigns' indicate a retrieval operation with the verb 'Get' applied to campaign data.
Documented attack patterns abuse exactly the kind of access ebay_get_email_campaigns 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_email_campaigns:
{
"version": "1",
"default": "deny",
"tools": {
"ebay_get_email_campaigns": {}
}
}ebay_get_email_campaigns 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 email marketing campaigns. 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_email_campaigns: 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_email_campaigns 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_email_campaigns 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_email_campaigns. 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_email_campaigns 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.