ebay_bulk_create_keyword

Bulk create keyword through the eBay Marketing API.

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-bulk-create-keyword.md

WHAT IT DOES

What ebay_bulk_create_keyword does on Ebay

AI agents use ebay_bulk_create_keyword 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_bulk_create_keyword is rated Medium

This tool creates keywords for marketing campaigns, which is a Write operation as it creates new data structures that can be modified or deleted later. Severity is medium because bulk creation of marketing keywords could clutter or waste marketing budget if misapplied, but the effect is reversible and limited to marketing configuration rather than financial transactions or data deletion.

From the tool's definition Tool description states 'Bulk create keyword' which involves creating marketing campaign keywords. The 'bulk' operation and 'create' action indicate reversible data modification to eBay's marketing system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_bulk_create_keyword 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_bulk_create_keyword, this is the rule to start with:

ebay_bulk_create_keyword Rate-limited

ebay_bulk_create_keyword 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_bulk_create_keyword": {
      "limits": [
        {
          "counter": "ebay_bulk_create_keyword_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_bulk_create_keyword call is checked against it from then on.

FAQ

Questions about ebay_bulk_create_keyword

What does the ebay_bulk_create_keyword tool do? +

Bulk create keyword through the eBay Marketing API. 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_bulk_create_keyword? +

Register the Ebay MCP server in PolicyLayer and add a rule for ebay_bulk_create_keyword: 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_bulk_create_keyword? +

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

Can I rate-limit ebay_bulk_create_keyword? +

Yes. Add a rate_limit block to the ebay_bulk_create_keyword 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_bulk_create_keyword completely? +

Set action: deny in the PolicyLayer policy for ebay_bulk_create_keyword. 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_bulk_create_keyword? +

ebay_bulk_create_keyword 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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