browser_clear_history

A destructive tool on the Looking Glass MCP server.

SERVERLooking Glass SOURCElooking-glass-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-sahib-sawhney-wh-looking-glass-mcp/browser-clear-history.md

WHAT IT DOES

What browser_clear_history does on Looking Glass

AI agents call browser_clear_history to permanently remove resources in Looking Glass, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why browser_clear_history is rated Critical

Clearing browser history permanently removes stored data without recovery options. This is a destructive operation (irreversible deletion). While not as critical as financial or system-wide data destruction, it warrants 'high' severity due to potential impact on user privacy and data integrity. Confidence is reduced slightly due to empty description, but the tool name is unambiguous.

From the tool's definition Tool name 'browser_clear_history' indicates deletion of browser history data. The action is irreversible—once cleared, historical records cannot be recovered.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_clear_history safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Looking Glass, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For browser_clear_history, this is the rule to start with:

browser_clear_history Hidden

browser_clear_history is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "browser_clear_history"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Looking Glass, apply this rule, and every browser_clear_history call is checked against it from then on.

FAQ

Questions about browser_clear_history

What does the browser_clear_history tool do? +

browser_clear_history is a destructive tool on the Looking Glass MCP server. It is categorised as a Destructive tool in the Looking Glass 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 browser_clear_history? +

Register the Looking Glass MCP server in PolicyLayer and add a rule for browser_clear_history: 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 Looking Glass. Nothing to install.

What risk level is browser_clear_history? +

browser_clear_history 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 browser_clear_history? +

Yes. Add a rate_limit block to the browser_clear_history 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 browser_clear_history completely? +

Set action: deny in the PolicyLayer policy for browser_clear_history. 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 browser_clear_history? +

browser_clear_history is provided by the Looking Glass MCP server (looking-glass-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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