ui_mouse_click · Tradingview MCP: Risk & Policy

WHAT IT DOES

What ui_mouse_click does on Tradingview

AI agents invoke ui_mouse_click to trigger actions in Tradingview. 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.

WHY IT NEEDS A POLICY

Why ui_mouse_click needs a policy

This tool performs a mouse click action on an application window via Chrome DevTools Protocol. Clicking UI elements can trigger arbitrary application behaviors including placing trades, confirming orders, deleting data, or any other action available in TradingView's interface.

From the tool's definition 'Click at specific x,y coordinates on the TradingView window' — triggers UI interaction/browser action via Chrome DevTools Protocol

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ui_mouse_click Rate-limited

ui_mouse_click 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": {
    "ui_mouse_click": {
      "limits": [
        {
          "counter": "ui_mouse_click_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Tradingview, so you can run agents against it safely.

FAQ

Questions about ui_mouse_click

What does the ui_mouse_click tool do? +

Click at specific x,y coordinates on the TradingView window. It is categorised as a Execute tool in the Tradingview MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on ui_mouse_click? +

Register the Tradingview MCP server in PolicyLayer and add a rule for ui_mouse_click: 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 Tradingview. Nothing to install.

What risk level is ui_mouse_click? +

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

Can I rate-limit ui_mouse_click? +

Yes. Add a rate_limit block to the ui_mouse_click 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 ui_mouse_click completely? +

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

ui_mouse_click is provided by the Tradingview MCP server (lionfaion/tradingview-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.