Получить стакан заявок (биржевой стакан) по тикеру из Т-Инвестиций
AI agents call get_order_book to retrieve information from T-Invest MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a pure data retrieval operation that queries market data (order book depth) without side effects. It does not create, modify, delete, or execute any trading operations. While the server contains financial tools (trading operations, transfers), this specific tool only reads market information, placing it firmly in the Read category with low severity.
From the tool's definition Tool name is 'get_order_book' and description indicates it retrieves ('Получить') the order book (market depth/bid-ask stack) for a ticker from T-Invest API. No modification, deletion, or execution of trades occurs.
Attacks that exploit this kind of access
Получить стакан заявок (биржевой стакан) по тикеру из Т-Инвестиций. It is categorised as a Read tool in the T-Invest MCP Server MCP Server, which means it retrieves data without modifying state.
Register the T-Invest MCP Server MCP server in PolicyLayer and add a rule for get_order_book: 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 T-Invest MCP Server. Nothing to install.
get_order_book 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 get_order_book 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 get_order_book. 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.
get_order_book is provided by the T-Invest MCP Server MCP server (nonnname/t-invest-mcp-server). 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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