Get a specific subscription filter
AI agents call ebay_get_notification_subscription_filter 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 queries and retrieves existing subscription filter configuration data. It performs a read-only operation without modifying state, executing code, deleting data, or moving money. The blast radius of misuse is minimal—an attacker gaining access could only view filter settings, not alter them or trigger unwanted actions.
From the tool's definition Tool name and description indicate 'Get a specific subscription filter' — a retrieval operation with no data modification, creation, deletion, or external side effects.
Documented attack patterns abuse exactly the kind of access ebay_get_notification_subscription_filter 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_notification_subscription_filter:
{
"version": "1",
"default": "deny",
"tools": {
"ebay_get_notification_subscription_filter": {}
}
}ebay_get_notification_subscription_filter is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a specific subscription filter. 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_notification_subscription_filter: 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_notification_subscription_filter 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_notification_subscription_filter 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_notification_subscription_filter. 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_notification_subscription_filter 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.
Free to start. No card required.
332 Ebay tools catalogued and risk-classified — across an index of 42,500+ MCP servers.