ebay_get_default_category_tree_id
Get the default category tree ID for a marketplace
This record as markdown: /tools/yosefhayim-ebay-mcp/ebay-get-default-category-tree-id.md
What ebay_get_default_category_tree_id does on Ebay
AI agents call ebay_get_default_category_tree_id 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_get_default_category_tree_id is rated Low
This is a simple read operation that queries eBay's category taxonomy structure. It returns reference data (a category tree ID) without modifying any seller inventory, orders, listings, or account state. The blast radius is minimal; incorrect usage would only result in misleading categorization data for the agent, not financial loss or data damage.
From the tool's definition Tool name contains 'get' and description states 'Get the default category tree ID' — retrieves marketplace category metadata with no side effects.
Attacks that exploit this kind of access
The rule that runs ebay_get_default_category_tree_id 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_get_default_category_tree_id, this is the rule to start with:
ebay_get_default_category_tree_id 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_get_default_category_tree_id call is checked against it from then on.
Questions about ebay_get_default_category_tree_id
Get the default category tree ID for a marketplace. 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_get_default_category_tree_id: 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_get_default_category_tree_id 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_get_default_category_tree_id 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_get_default_category_tree_id. 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_get_default_category_tree_id 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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