Find text on the page and highlight all matches.
AI agents call browser_search to retrieve information from Termux Browser Pilot without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
browser_search performs text discovery and visual highlighting within the current page context. This is a passive information retrieval operation with no capability to modify page state, execute actions, delete data, or trigger external operations. The highlighting is purely a UI affordance for the user/agent to locate information.
From the tool's definition Tool description states 'Find text on the page and highlight all matches' - a read-only operation that searches and displays existing content without modifying data, executing code, or causing side effects.
Documented attack patterns abuse exactly the kind of access browser_search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Termux Browser Pilot, and nothing reaches the server without passing your rules. This is the rule we recommend for browser_search:
{
"version": "1",
"default": "deny",
"tools": {
"browser_search": {}
}
}browser_search is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Find text on the page and highlight all matches. It is categorised as a Read tool in the Termux Browser Pilot MCP Server, which means it retrieves data without modifying state.
Register the Termux Browser Pilot MCP server in PolicyLayer and add a rule for browser_search: 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.
browser_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browser_search 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.
Set action: deny in the PolicyLayer policy for browser_search. 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.
browser_search 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.
Start from Termux Browser Pilot, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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148 Termux Browser Pilot tools catalogued and risk-classified — across an index of 43,000+ MCP servers.