ebay_create_notification_subscription_filter

Create a filter for a notification subscription

SERVEREbay SOURCEyosefhayim/ebay-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-create-notification-subscription-filter.md

WHAT IT DOES

What ebay_create_notification_subscription_filter does on Ebay

AI agents use ebay_create_notification_subscription_filter to create or update resources in Ebay, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ebay environment.

RISK

Why ebay_create_notification_subscription_filter is rated Medium

This tool creates notification subscription filter settings, which is a reversible data modification. It doesn't execute arbitrary code, delete data, or move money. The scope is limited to notification preferences configuration, making it a low-severity Write operation. No evidence of destructive or financial impact.

From the tool's definition Tool name contains 'create' and description states 'Create a filter for a notification subscription' - this creates a new configuration object for managing notifications.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_create_notification_subscription_filter safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ebay, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ebay_create_notification_subscription_filter, this is the rule to start with:

ebay_create_notification_subscription_filter Rate-limited

ebay_create_notification_subscription_filter stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ebay_create_notification_subscription_filter": {
      "limits": [
        {
          "counter": "ebay_create_notification_subscription_filter_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ebay, apply this rule, and every ebay_create_notification_subscription_filter call is checked against it from then on.

FAQ

Questions about ebay_create_notification_subscription_filter

What does the ebay_create_notification_subscription_filter tool do? +

Create a filter for a notification subscription. It is categorised as a Write tool in the Ebay MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ebay_create_notification_subscription_filter? +

Register the Ebay MCP server in PolicyLayer and add a rule for ebay_create_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.

What risk level is ebay_create_notification_subscription_filter? +

ebay_create_notification_subscription_filter is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ebay_create_notification_subscription_filter? +

Yes. Add a rate_limit block to the ebay_create_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.

How do I block ebay_create_notification_subscription_filter completely? +

Set action: deny in the PolicyLayer policy for ebay_create_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.

What MCP server provides ebay_create_notification_subscription_filter? +

ebay_create_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.

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