browser_cookies_clear

Clear all browser cookies.

SERVERTermux Browser Pilot SOURCEsalviz/termux-browser-pilot

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/salviz-termux-browser-pilot/browser-cookies-clear.md

WHAT IT DOES

What browser_cookies_clear does on Termux Browser Pilot

AI agents call browser_cookies_clear to permanently remove resources in Termux Browser Pilot, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why browser_cookies_clear is rated Critical

Clearing all browser cookies is a destructive operation that cannot be easily undone. It irreversibly removes authentication tokens, session data, preferences, and tracking information, potentially breaking user sessions and requiring re-authentication. While not as severe as data deletion on a server, this represents permanent loss of client-side state.

From the tool's definition The tool name 'browser_cookies_clear' combined with the description 'Clear all browser cookies' indicates irreversible deletion of stored cookies. The word 'clear' in this context means permanent removal.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_cookies_clear safely

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

browser_cookies_clear Hidden

browser_cookies_clear 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_cookies_clear"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Termux Browser Pilot, apply this rule, and every browser_cookies_clear call is checked against it from then on.

FAQ

Questions about browser_cookies_clear

What does the browser_cookies_clear tool do? +

Clear all browser cookies. It is categorised as a Destructive tool in the Termux Browser Pilot 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_cookies_clear? +

Register the Termux Browser Pilot MCP server in PolicyLayer and add a rule for browser_cookies_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 Termux Browser Pilot. Nothing to install.

What risk level is browser_cookies_clear? +

browser_cookies_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 browser_cookies_clear? +

Yes. Add a rate_limit block to the browser_cookies_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 browser_cookies_clear completely? +

Set action: deny in the PolicyLayer policy for browser_cookies_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 browser_cookies_clear? +

browser_cookies_clear is provided by the Termux Browser Pilot MCP server (salviz/termux-browser-pilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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