ebay_find_completed_items
Search eBay sold/completed listings for pricing research (sold comps). Uses the Finding API findCompletedItems operation with app credentials (SECURITY-APPNAME / EBAY_CLIENT_ID). Returns cleaned sold items: itemId, title, price, shippingCost, soldDate, condition, and listingUrl. Useful for market...
This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-find-completed-items.md
What ebay_find_completed_items does on Ebay
AI agents call ebay_find_completed_items to retrieve information from Ebay without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why ebay_find_completed_items is rated Low
This tool performs a query/search operation on publicly available completed listing data for research purposes. It retrieves information without side effects, modifying data, or triggering external operations. The use of app credentials and the Finding API does not elevate the risk—it is standard authentication for accessing public marketplace data.
From the tool's definition Tool description states it 'Search[es] eBay sold/completed listings for pricing research' and 'Returns cleaned sold items' with public data including itemId, title, price, shippingCost, soldDate, condition, and listingUrl.
Attacks that exploit this kind of access
The rule that runs ebay_find_completed_items 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_find_completed_items, this is the rule to start with:
ebay_find_completed_items is read-only, so it stays allowed. 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_find_completed_items call is checked against it from then on.
Questions about ebay_find_completed_items
Search eBay sold/completed listings for pricing research (sold comps). Uses the Finding API findCompletedItems operation with app credentials (SECURITY-APPNAME / EBAY_CLIENT_ID). Returns cleaned sold items: itemId, title, price, shippingCost, soldDate, condition, and listingUrl. Useful for market price research before listing or repricing. App credentials are sufficient for this public search data when OAuth is available. 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_find_completed_items: 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_find_completed_items 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_find_completed_items 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_find_completed_items. 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_find_completed_items 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.
More on Ebay, and thousands of servers like it.
This server
Across the catalogue