List all open TradingView chart tabs
AI agents call tab_list to retrieve information from TradingView MCP Bridge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation—it enumerates existing open tabs and returns their state. There is no creation, modification, deletion, code execution, or financial transaction involved. The blast radius is minimal; misuse would only expose what tabs are currently open, which is informational data within the user's own TradingView session.
From the tool's definition Tool name 'tab_list' and description 'List all open TradingView chart tabs' indicate a query operation that retrieves information without modification or side effects.
Attacks that exploit this kind of access
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 (thinhbv/tradingview_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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