Delete a mock server
AI agents call delete_mock to permanently remove resources in Postman — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool performs an irreversible deletion operation on a mock server resource. Once deleted, the mock server and its configuration cannot be recovered without recreation. Deletion operations are categorized as Destructive.
From the tool's definition Tool name is 'delete_mock' and description states 'Delete a mock server'. The verb 'delete' indicates irreversible removal of a resource.
Attacks that exploit this kind of access
Delete a mock server. It is categorised as a Destructive tool in the Postman MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Postman MCP server in PolicyLayer and add a rule for delete_mock: 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 Postman. Nothing to install.
delete_mock 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 delete_mock 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 delete_mock. 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.
delete_mock is provided by the Postman MCP server (postmanv3/postman-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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