browser_cookies_save

Save browser cookies to a JSON file.

SERVERTermux Browser Pilot SOURCEsalviz/termux-browser-pilot

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/salviz-termux-browser-pilot/browser-cookies-save.md

WHAT IT DOES

What browser_cookies_save does on Termux Browser Pilot

AI agents use browser_cookies_save to create or update resources in Termux Browser Pilot, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Termux Browser Pilot environment.

RISK

Why browser_cookies_save is rated Medium

This tool writes cookie data to persistent storage (JSON file), which is a reversible write operation. While cookies themselves are not highly sensitive in isolation, the ability to export and save them—potentially for exfiltration or replay attacks—combined with the browser automation context elevates severity. An AI agent could misuse this to extract session tokens, authentication credentials, or tracking data.

From the tool's definition Tool name 'browser_cookies_save' and description 'Save browser cookies to a JSON file' indicate creation/modification of persistent data (cookie export to file).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_cookies_save 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_save, this is the rule to start with:

browser_cookies_save Rate-limited

browser_cookies_save stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "browser_cookies_save": {
      "limits": [
        {
          "counter": "browser_cookies_save_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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_save call is checked against it from then on.

FAQ

Questions about browser_cookies_save

What does the browser_cookies_save tool do? +

Save browser cookies to a JSON file. It is categorised as a Write tool in the Termux Browser Pilot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on browser_cookies_save? +

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

browser_cookies_save is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit browser_cookies_save? +

Yes. Add a rate_limit block to the browser_cookies_save 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_save completely? +

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

browser_cookies_save 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.

KEEP EXPLORING

More on Termux Browser Pilot, and thousands of servers like it.

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save_snapshot on Why Did You Render → The MCP Attack Database →

Guides

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