browser_session_delete

Delete a saved session.

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-session-delete.md

WHAT IT DOES

What browser_session_delete does on Termux Browser Pilot

AI agents call browser_session_delete 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_session_delete is rated Critical

The tool permanently removes a saved browser session, which cannot be undone. This is a destructive action rather than merely a Write operation because deletion is irreversible. The severity is high because malicious use could erase user browsing history, authentication states, or other session data that the user may depend on, though the blast radius is limited to a single session rather than broader system impact.

From the tool's definition Tool name contains 'delete' and description states 'Delete a saved session' - this is an irreversible destruction of user data (session state/history).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_session_delete 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_session_delete, this is the rule to start with:

browser_session_delete Hidden

browser_session_delete 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_session_delete"
  ]
}

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_session_delete call is checked against it from then on.

FAQ

Questions about browser_session_delete

What does the browser_session_delete tool do? +

Delete a saved session. 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_session_delete? +

Register the Termux Browser Pilot MCP server in PolicyLayer and add a rule for browser_session_delete: 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_session_delete? +

browser_session_delete 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_session_delete? +

Yes. Add a rate_limit block to the browser_session_delete 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_session_delete completely? +

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

browser_session_delete 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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