tab_list
List all open TradingView chart tabs
This record as markdown: /tools/byeung888-tradingview-mcp/tab-list.md
What tab_list does on TradingView MCP Bridge
AI agents call tab_list to retrieve information from TradingView MCP Bridge without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why tab_list is rated Low
This tool retrieves and displays information about open tabs in TradingView but does not create, modify, delete, or execute any operations. It is a read-only query with minimal security impact—the worst misuse would be an AI agent learning which charts are open, which poses negligible risk.
From the tool's definition Tool name is 'tab_list' and description states 'List all open TradingView chart tabs' — this is a query operation that retrieves current state without modification or side effects.
Attacks that exploit this kind of access
The rule that runs tab_list 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 tab_list, this is the rule to start with:
tab_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect TradingView MCP Bridge, apply this rule, and every tab_list call is checked against it from then on.
Questions about tab_list
List all open TradingView chart tabs. It is categorised as a Read tool in the TradingView MCP Bridge MCP Server, which means it retrieves data without modifying state.
Register the TradingView MCP Bridge MCP server in PolicyLayer and add a rule for tab_list: 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.
tab_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the tab_list 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.
Set action: deny in the PolicyLayer policy for tab_list. 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.
tab_list 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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