pane_set_layout · TradingView MCP Bridge MCP: Risk & Policy

WHAT IT DOES

What pane_set_layout does on TradingView MCP Bridge

AI agents use pane_set_layout to create or update resources in TradingView MCP Bridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TradingView MCP Bridge environment.

WHY IT NEEDS A POLICY

Why pane_set_layout needs a policy

This tool modifies the visual layout/configuration of the chart interface. It is a reversible change (layout can be changed back), making it a Write operation. Misuse could disrupt a user's chart workspace, but effects are easily undone, warranting medium severity.

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 capped — an agent stuck in a loop can't make hundreds of changes 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": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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 MCP Bridge, 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 Write tool in the TradingView MCP Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pane_set_layout? +

Register the TradingView MCP Bridge 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 MCP Bridge. Nothing to install.

What risk level is pane_set_layout? +

pane_set_layout is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

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 Bridge MCP server (thinhbv/tradingview_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.