Delete a campaign-level negative keyword.
AI agents call ebay_delete_campaign_negative_keyword to permanently remove resources in Ebay — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a negative keyword from an eBay marketing campaign. While not as critical as deleting inventory or financial data, deletion of campaign configuration cannot be undone and directly impacts marketing strategy. An AI agent misusing this could systematically dismantle a seller's advertising exclusion lists, causing unintended ad spend or campaign misconfigurations.
From the tool's definition Tool name contains 'delete' and description states 'Delete a campaign-level negative keyword', indicating irreversible removal of marketing data.
Documented attack patterns abuse exactly the kind of access ebay_delete_campaign_negative_keyword gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ebay, and nothing reaches the server without passing your rules. This is the rule we recommend for ebay_delete_campaign_negative_keyword:
{
"version": "1",
"default": "deny",
"hide": [
"ebay_delete_campaign_negative_keyword"
]
}ebay_delete_campaign_negative_keyword disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
Free to start. No card required.
Delete a campaign-level negative keyword. It is categorised as a Destructive tool in the Ebay MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Ebay MCP server in PolicyLayer and add a rule for ebay_delete_campaign_negative_keyword: 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_delete_campaign_negative_keyword is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the ebay_delete_campaign_negative_keyword 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_delete_campaign_negative_keyword. 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_delete_campaign_negative_keyword 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.
Deterministic rules across all 332 Ebay tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
332 Ebay tools catalogued and risk-classified — across an index of 42,500+ MCP servers.