AI agents call get_quick_info to retrieve information from Borsa MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward financial data query tool that fetches publicly available stock metrics. It has no side effects, does not execute commands, does not modify data, and does not move money or commit financial obligations. The severity is low because misuse would only result in information disclosure or API quota exhaustion, not system compromise or financial harm.
From the tool's definition Tool retrieves 'key metrics (P/E, P/B, ROE, 52w range)' with 'batch support up to 10' — pure data retrieval with no mutation, execution, deletion, or financial transaction capabilities.
Attacks that exploit this kind of access
Get key metrics (P/E, P/B, ROE, 52w range) for one or multiple stocks. Batch support up to 10. It is categorised as a Read tool in the Borsa MCP MCP Server, which means it retrieves data without modifying state.
Register the Borsa MCP server in PolicyLayer and add a rule for get_quick_info: 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 Borsa MCP. Nothing to install.
get_quick_info 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_quick_info 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_quick_info. 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_quick_info is provided by the Borsa MCP server (saidsurucu/borsa-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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