AI agents use aevo_build_order to commit financial operations through Aevo-MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Although the description is empty, the tool name 'aevo_build_order' on a financial trading platform (Aevo) strongly suggests it constructs or prepares a trade order. Given sibling tools like 'aevo_create_order', this tool likely builds the order payload that precedes submission. In the context of a trading platform where financial transactions are the core function, this falls under Financial.
From the tool's definition Tool name 'aevo_build_order' on a trading platform server with sibling tools including 'aevo_create_order', 'aevo_cancel_order', and 'aevo_authenticate'. The server description states 'execute trades easily'.
Attacks that exploit this kind of access
aevo_build_order. It is categorised as a Financial tool in the Aevo-MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Aevo- MCP server in PolicyLayer and add a rule for aevo_build_order: 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_build_order is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the aevo_build_order 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_build_order. 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_build_order 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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