Low Risk

browser_clipboard_read

Read text from the Xvfb system clipboard.

How to control browser_clipboard_read ↓

What browser_clipboard_read does on Termux Browser Pilot

AI agents call browser_clipboard_read 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.

Low Risk

Why browser_clipboard_read needs a policy

This tool only reads data from the clipboard without altering it, creating new data, executing commands, or triggering external operations. It is a pure information retrieval operation with minimal blast radius—clipboard contents may include sensitive data, but the tool itself does not modify state or perform irreversible actions.

From the tool's definition Tool name 'browser_clipboard_read' and description 'Read text from the Xvfb system clipboard' explicitly indicate retrieval of clipboard data with no modification or side effects.

Documented attack patterns abuse exactly the kind of access browser_clipboard_read gives an agent:

How to control browser_clipboard_read

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_clipboard_read:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "browser_clipboard_read": {}
  }
}

browser_clipboard_read is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Termux Browser Pilot — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
CAP THIS TOOL →

Free to start. No card required.

Related tools and policies

Go deeper

Questions about browser_clipboard_read

What does the browser_clipboard_read tool do? +

Read text from the Xvfb system clipboard. It is categorised as a Read tool in the Termux Browser Pilot MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on browser_clipboard_read? +

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

browser_clipboard_read is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit browser_clipboard_read? +

Yes. Add a rate_limit block to the browser_clipboard_read 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_clipboard_read completely? +

Set action: deny in the PolicyLayer policy for browser_clipboard_read. 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_clipboard_read? +

browser_clipboard_read 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.

Enforce policy on every Termux Browser Pilot tool call.

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.

Free to start. No card required.

148 Termux Browser Pilot tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.