AI agents call aevo_list_orders to retrieve information from Aevo-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'list_orders' follows the Read pattern of querying/retrieving data with no side effects. However, the description is empty, reducing confidence slightly. In a trading platform context, listing orders reveals sensitive financial position information (open positions, order history) that could be misused to inform market manipulation or information disclosure, warranting medium severity rather than low.
From the tool's definition Tool name 'aevo_list_orders' indicates a retrieval operation consistent with the 'list' pattern. The server context describes trading operations including 'manage accounts' and 'execute trades,' and sibling tools include order management functions (create,…
Attacks that exploit this kind of access
aevo_list_orders. It is categorised as a Read tool in the Aevo-MCP MCP Server, which means it retrieves data without modifying state.
Register the Aevo- MCP server in PolicyLayer and add a rule for aevo_list_orders: 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 Aevo-MCP. Nothing to install.
aevo_list_orders 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 aevo_list_orders 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 aevo_list_orders. 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.
aevo_list_orders is provided by the Aevo- MCP server (ribbon-finance/aevo-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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