ebay_update_item_price_markdown_promotion

Update item price markdown promotion 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-update-item-price-markdown-promotion.md

WHAT IT DOES

What ebay_update_item_price_markdown_promotion does on Ebay

AI agents use ebay_update_item_price_markdown_promotion 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_update_item_price_markdown_promotion is rated Medium

This tool modifies existing promotional pricing data, which is reversible (promotions can be updated again or removed). It does not delete data (Destructive), does not execute arbitrary operations (Execute), and does not directly move money (Financial), though it indirectly affects financial outcomes by changing prices.

From the tool's definition Tool name explicitly states 'update' and description indicates modification of 'item price markdown promotion' through eBay Marketing API. This creates or modifies pricing/promotional data that affects sales behavior and revenue.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ebay_update_item_price_markdown_promotion 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_update_item_price_markdown_promotion, this is the rule to start with:

ebay_update_item_price_markdown_promotion Rate-limited

ebay_update_item_price_markdown_promotion 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_update_item_price_markdown_promotion": {
      "limits": [
        {
          "counter": "ebay_update_item_price_markdown_promotion_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_update_item_price_markdown_promotion call is checked against it from then on.

FAQ

Questions about ebay_update_item_price_markdown_promotion

What does the ebay_update_item_price_markdown_promotion tool do? +

Update item price markdown promotion 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_update_item_price_markdown_promotion? +

Register the Ebay MCP server in PolicyLayer and add a rule for ebay_update_item_price_markdown_promotion: 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_update_item_price_markdown_promotion? +

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

Can I rate-limit ebay_update_item_price_markdown_promotion? +

Yes. Add a rate_limit block to the ebay_update_item_price_markdown_promotion 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_update_item_price_markdown_promotion completely? +

Set action: deny in the PolicyLayer policy for ebay_update_item_price_markdown_promotion. 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_update_item_price_markdown_promotion? +

ebay_update_item_price_markdown_promotion 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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