chart_set_type

Change chart type

SERVERTradingView MCP Bridge SOURCEbyeung888/tradingview-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/byeung888-tradingview-mcp/chart-set-type.md

WHAT IT DOES

What chart_set_type does on TradingView MCP Bridge

AI agents use chart_set_type 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.

RISK

Why chart_set_type is rated Medium

This tool modifies the chart type (e.g., candlestick, bar, line), which is a reversible configuration change to the TradingView chart. It writes/updates a setting but does not delete data, execute code, or involve financial transactions. Misuse could disrupt a trader's chart setup but is easily reversed.

From the tool's definition 'Change chart type' — modifies the chart's display configuration

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs chart_set_type safely

PolicyLayer is an MCP gateway: it sits between your AI agents and TradingView MCP Bridge, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For chart_set_type, this is the rule to start with:

chart_set_type Rate-limited

chart_set_type 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": {
    "chart_set_type": {
      "limits": [
        {
          "counter": "chart_set_type_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect TradingView MCP Bridge, apply this rule, and every chart_set_type call is checked against it from then on.

FAQ

Questions about chart_set_type

What does the chart_set_type tool do? +

Change chart type. 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 chart_set_type? +

Register the TradingView MCP Bridge MCP server in PolicyLayer and add a rule for chart_set_type: 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 chart_set_type? +

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

Can I rate-limit chart_set_type? +

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

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

chart_set_type is provided by the TradingView MCP Bridge MCP server (byeung888/tradingview-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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