AI agents call get_earnings 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 tool retrieves historical and estimated financial data without side effects. It does not create, modify, delete, execute code, or trigger financial transactions. The data returned is publicly available market information used for analysis only. The severity is low because querying earnings data poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'get_earnings' and description specify retrieval of 'earnings dates, EPS history, surprises, and growth estimates' — all read-only queries with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get earnings dates, EPS history, surprises, and growth estimates. 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_earnings: 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_earnings 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_earnings 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_earnings. 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_earnings 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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