tv_health_check
Check CDP connection to TradingView and return current chart state
This record as markdown: /tools/byeung888-tradingview-mcp/tv-health-check.md
What tv_health_check does on TradingView MCP Bridge
AI agents call tv_health_check 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 tv_health_check is rated Low
This tool performs health checking and retrieves the current state of a chart (Read category). It has no side effects, creates no resources, executes no code, and poses minimal security risk. The blast radius of misuse is negligible — an agent could only spam health checks or observe chart state, neither of which causes harm.
From the tool's definition Tool description states 'Check CDP connection to TradingView and return current chart state' — a diagnostic/status check operation that retrieves information without modifying any data or executing user code.
Attacks that exploit this kind of access
The rule that runs tv_health_check 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 tv_health_check, this is the rule to start with:
tv_health_check 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 tv_health_check call is checked against it from then on.
Questions about tv_health_check
Check CDP connection to TradingView and return current chart state. 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 tv_health_check: 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.
tv_health_check 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 tv_health_check 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 tv_health_check. 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.
tv_health_check 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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