Pre-Market & After-Hours Trading | Extended Session Data | Early/Late Trading Activity -
AI agents call get_extended_hours_data to retrieve information from Mcp Financex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns historical or real-time market data for extended trading sessions. It has no side effects, does not execute trades, does not modify data, and does not commit financial obligations. While the server overall handles financial data, this specific tool is a read-only data retrieval function.
From the tool's definition Tool name 'get_extended_hours_data' and description indicating it retrieves 'Pre-Market & After-Hours Trading | Extended Session Data | Early/Late Trading Activity' — purely data retrieval with no modification, execution, or financial transaction capability.
Attacks that exploit this kind of access
Pre-Market & After-Hours Trading | Extended Session Data | Early/Late Trading Activity -. It is categorised as a Read tool in the Mcp Financex MCP Server, which means it retrieves data without modifying state.
Register the Mcp Financex MCP server in PolicyLayer and add a rule for get_extended_hours_data: 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 Mcp Financex. Nothing to install.
get_extended_hours_data 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_extended_hours_data 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_extended_hours_data. 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_extended_hours_data is provided by the Mcp Financex MCP server (xerktech/mcp-financex). 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.
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