This record as markdown: /tools/acato-ebay-mcp/get-lost-items.md
What get_lost_items does on Ebay
AI agents call get_lost_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 get_lost_items is rated Low
This tool queries historical auction data the user has already bid on. It retrieves information about past auctions without modifying, deleting, or executing any actions. The verb 'return' and the informational nature of the result (listing auctions where bids were placed) confirm this is a Read operation. No financial transactions, data modifications, or external operations are triggered.
From the tool's definition Tool name 'get_lost_items' and description 'Return auctions where the user bid but did not win' indicate pure data retrieval with no side effects.
Attacks that exploit this kind of access
The rule that runs get_lost_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 get_lost_items, this is the rule to start with:
get_lost_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 get_lost_items call is checked against it from then on.
Questions about get_lost_items
Return auctions where the user bid but did not win. 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 get_lost_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.
get_lost_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 get_lost_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 get_lost_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.
get_lost_items is provided by the Ebay MCP server (acato/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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