pane_set_layout · Tradingview MCP: Risk & Policy

WHAT IT DOES

What pane_set_layout does on Tradingview

AI agents invoke pane_set_layout 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 pane_set_layout needs a policy

This tool triggers an external operation in the TradingView Desktop application via Chrome DevTools Protocol, modifying the visual layout of the chart grid. It is not a simple data write (no persistent data is created or modified in a database), but rather an action executed against a running application that changes UI state.

From the tool's definition Change the chart grid layout (e.g., single, 2x2, 2h, 3v)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pane_set_layout Rate-limited

pane_set_layout 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": {
    "pane_set_layout": {
      "limits": [
        {
          "counter": "pane_set_layout_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 pane_set_layout

What does the pane_set_layout tool do? +

Change the chart grid layout (e.g., single, 2x2, 2h, 3v). 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 pane_set_layout? +

Register the Tradingview MCP server in PolicyLayer and add a rule for pane_set_layout: 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 pane_set_layout? +

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

Can I rate-limit pane_set_layout? +

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

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

pane_set_layout 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.