browser_network_start

Start logging network requests via PerformanceObserver.

SERVERTermux Browser Pilot SOURCEsalviz/termux-browser-pilot

High RISK CLASS

Category Execute

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-network-start.md

WHAT IT DOES

What browser_network_start does on Termux Browser Pilot

AI agents invoke browser_network_start to trigger actions in Termux Browser Pilot. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why browser_network_start is rated High

While not destructive or financial, this tool executes code in the browser environment to set up monitoring infrastructure. The ability to start network logging via a running browser daemon represents active code execution that could be misused to intercept, log, or modify traffic patterns.

From the tool's definition The tool 'browser_network_start' triggers execution of JavaScript code in a browser context (PerformanceObserver), which actively monitors and logs network activity.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_network_start 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_network_start, this is the rule to start with:

browser_network_start Rate-limited

browser_network_start stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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_network_start": {
      "limits": [
        {
          "counter": "browser_network_start_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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_network_start call is checked against it from then on.

FAQ

Questions about browser_network_start

What does the browser_network_start tool do? +

Start logging network requests via PerformanceObserver. It is categorised as a Execute tool in the Termux Browser Pilot MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on browser_network_start? +

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

browser_network_start is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit browser_network_start? +

Yes. Add a rate_limit block to the browser_network_start 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_network_start completely? +

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

browser_network_start 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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browser_click on Percepta MCP Server →team_manager_start_room on Team Manager MCP → All high-risk MCP tools → The MCP Attack Database →

Guides

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