Check CDP connection to TradingView and return current chart state
AI agents call tv_health_check to retrieve information from TradingView MCP Jackson without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves diagnostic information about the connection status and the current state of the chart. It performs no modifications, deletions, financial operations, or code execution. The severity is low because even if misused, it only exposes internal state information without capability to alter data or trigger external actions.
From the tool's definition The tool 'tv_health_check' performs a check of the CDP connection and returns current chart state — both read-only operations with no side effects. The description explicitly indicates it 'Check[s]' and 'return[s]', indicating data retrieval only.
Attacks that exploit this kind of access
Check CDP connection to TradingView and return current chart state. It is categorised as a Read tool in the TradingView MCP Jackson MCP Server, which means it retrieves data without modifying state.
Register the TradingView MCP Jackson 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 Jackson. 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 Jackson MCP server (nimit791/tradingview-mcp-jackson). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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