filter_stocks_by_price_movement
AI agents call filter_stocks_by_price_movement to retrieve information from MCP Travel Planner without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The name indicates a read operation (filtering/querying stock price data), placing it in the Read category. Empty description reduces confidence slightly. Severity is medium because stock data exposure in an agent context could inform financial decisions, but the tool itself performs no transactional or destructive actions.
From the tool's definition Tool named 'filter_stocks_by_price_movement' with empty description. Name suggests querying/filtering stock data by price metrics without modification or trading actions.
Attacks that exploit this kind of access
filter_stocks_by_price_movement. It is categorised as a Read tool in the MCP Travel Planner MCP Server, which means it retrieves data without modifying state.
Register the MCP Travel Planner MCP server in PolicyLayer and add a rule for filter_stocks_by_price_movement: 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 Travel Planner. Nothing to install.
filter_stocks_by_price_movement 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 filter_stocks_by_price_movement 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 filter_stocks_by_price_movement. 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.
filter_stocks_by_price_movement is provided by the MCP Travel Planner MCP server (leonavevor/mcp_travelassistant). 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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