pine_new · TradingView MCP: Risk & Policy

WHAT IT DOES

What pine_new does on TradingView MCP

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

WHY IT NEEDS A POLICY

Why pine_new needs a policy

This tool creates a new Pine Script document, which is a write operation. It generates new content/data in TradingView. Severity is medium because while it creates a new script, it doesn't execute it or cause financial impact directly — however, a newly created script could later be used to manipulate charts or trading decisions.

From the tool's definition Create a new blank Pine Script

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pine_new Rate-limited

pine_new 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": {
    "pine_new": {
      "limits": [
        {
          "counter": "pine_new_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, so you can run agents against it safely.

FAQ

Questions about pine_new

What does the pine_new tool do? +

Create a new blank Pine Script. It is categorised as a Write tool in the TradingView MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pine_new? +

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

What risk level is pine_new? +

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

Can I rate-limit pine_new? +

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

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

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