Read horizontal price levels drawn by Pine Script indicators (line.new). Returns deduplicated price levels per study. Use study_filter to target a specific indicator.
AI agents call data_get_pine_lines to retrieve information from TradingView MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data from Pine Script indicators (specifically horizontal price levels) without creating, modifying, deleting, or executing any code. It is a passive data query operation with no side effects. The ability to filter by study is a standard read parameter. There is no financial decision-making capability inherent to reading price levels, as the tool does not execute trades or manage positions.
From the tool's definition Tool description explicitly states 'Read horizontal price levels' and 'Returns deduplicated price levels per study'. The verb 'Read' and the function of retrieving indicator data without modification are clear indicators of a Read operation.
Attacks that exploit this kind of access
Read horizontal price levels drawn by Pine Script indicators (line.new). Returns deduplicated price levels per study. Use study_filter to target a specific indicator. It is categorised as a Read tool in the TradingView MCP MCP Server, which means it retrieves data without modifying state.
Register the TradingView MCP server in PolicyLayer and add a rule for data_get_pine_lines: 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. Nothing to install.
data_get_pine_lines 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 data_get_pine_lines 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 data_get_pine_lines. 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.
data_get_pine_lines is provided by the TradingView MCP server (ulianbass/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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