ebay_upload_images
Upload local pictures to eBay Picture Services and return the EPS image URLs in the same order, ready for product.imageUrls on an inventory item. Uses the Media API (createImageFromFile). Unused images expire after a while; they become permanent once a listing uses them.\n\n${MEDIA_ACCESS_NOTE}
This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-upload-images.md
What ebay_upload_images does on Ebay
AI agents use ebay_upload_images to create or update resources in Ebay, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ebay environment.
Why ebay_upload_images is rated Medium
Creates and modifies eBay listings with images; reversible but affects seller visibility and operations.
From the tool's definition Upload local pictures, return EPS image URLs for product inventory item.
Attacks that exploit this kind of access
The rule that runs ebay_upload_images safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ebay, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ebay_upload_images, this is the rule to start with:
ebay_upload_images stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ebay, apply this rule, and every ebay_upload_images call is checked against it from then on.
Questions about ebay_upload_images
Upload local pictures to eBay Picture Services and return the EPS image URLs in the same order, ready for product.imageUrls on an inventory item. Uses the Media API (createImageFromFile). Unused images expire after a while; they become permanent once a listing uses them.\n\n${MEDIA_ACCESS_NOTE}. 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.
Register the Ebay MCP server in PolicyLayer and add a rule for ebay_upload_images: 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_upload_images is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the ebay_upload_images 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_upload_images. 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_upload_images 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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