Evaluate alerts against live prices from FinMCP and report which are currently triggered, optionally filtered by ticker
AI agents call evaluate_alerts to retrieve information from My Portfolio MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries live pricing data and evaluates existing alerts against that data to report their current status. It has no side effects—it neither creates, modifies, deletes, nor executes external operations based on variable arguments. The word 'report' and 'evaluate against' indicate inspection and analysis of existing state, characteristic of Read operations.
From the tool's definition evaluate_alerts retrieves and reports alert status against live prices; no modification of alerts, positions, or transactions occurs. The tool 'reports which are currently triggered' and accepts optional filtering, indicating a query/retrieval operation.
Attacks that exploit this kind of access
Evaluate alerts against live prices from FinMCP and report which are currently triggered, optionally filtered by ticker. It is categorised as a Read tool in the My Portfolio MCP Server MCP Server, which means it retrieves data without modifying state.
Register the My Portfolio MCP Server MCP server in PolicyLayer and add a rule for evaluate_alerts: 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 My Portfolio MCP Server. Nothing to install.
evaluate_alerts 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 evaluate_alerts 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 evaluate_alerts. 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.
evaluate_alerts is provided by the My Portfolio MCP Server MCP server (udaybhasker-ub/my-portfolio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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