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mockserver_clear

Clear expectations and recorded requests from MockServer. Optionally filter by request matcher.

Risk signalsAccepts file system path (httpRequest.path) · Accepts raw HTML/template content (httpRequest.body) · High parameter count (10 properties)

Part of the Mockserver server.

mockserver_clear can permanently delete data in Mockserver, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call mockserver_clear to permanently remove or destroy resources in Mockserver. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call mockserver_clear in a loop, permanently destroying resources in Mockserver. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "mockserver_clear"
  ]
}

See the full Mockserver policy for all 6 tools.

Get this rule live on your own Mockserver server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access mockserver_clear gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so mockserver_clear only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the mockserver_clear tool do? +

Clear expectations and recorded requests from MockServer. Optionally filter by request matcher.. It is categorised as a Destructive tool in the Mockserver MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on mockserver_clear? +

Register the Mockserver MCP server in PolicyLayer and add a rule for mockserver_clear: 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 Mockserver. Nothing to install.

What risk level is mockserver_clear? +

mockserver_clear is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit mockserver_clear? +

Yes. Add a rate_limit block to the mockserver_clear 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.

How do I block mockserver_clear completely? +

Set action: deny in the PolicyLayer policy for mockserver_clear. 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.

What MCP server provides mockserver_clear? +

mockserver_clear is provided by the Mockserver MCP server (mockserver-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mockserver tool call.

Deterministic rules across all 6 Mockserver tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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