Get OHLCV bar data from the chart. Use summary=true for compact stats instead of all bars (saves context).
AI agents call data_get_ohlcv 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 historical price data (Open, High, Low, Close, Volume) from TradingView charts. It performs no modifications, deletions, or external operations—purely a read operation. Even in the context of automated trading, merely fetching market data poses minimal risk. The severity is low because misuse would only result in unwanted data retrieval, not financial loss, system damage, or irreversible changes.
From the tool's definition Tool name 'data_get_ohlcv' and description 'Get OHLCV bar data from the chart' indicate data retrieval with no side effects. The mention of 'summary=true for compact stats' confirms this is a query operation.
Attacks that exploit this kind of access
Get OHLCV bar data from the chart. Use summary=true for compact stats instead of all bars (saves context). 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_ohlcv: 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_ohlcv 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_ohlcv 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_ohlcv. 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_ohlcv 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.
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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