AI agents use aevo_onboard to commit financial operations through Aevo-MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
The tool name 'aevo_onboard' on a financial trading platform strongly suggests account onboarding/registration, which could involve committing financial obligations or enabling trading capabilities. Given the financial trading context of the server and sibling tools, this is most likely a Financial or Write category action.
From the tool's definition Tool name 'aevo_onboard' on a trading platform server ('Connect AI agents to the Aevo trading platform... execute trades'); sibling tools include aevo_create_order, aevo_authenticate, aevo_cancel_all_orders, indicating a financial trading context.
Attacks that exploit this kind of access
aevo_onboard. 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_onboard: 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_onboard 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_onboard 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_onboard. 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_onboard 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.
Teams ship this data inside their own products. See what a licence covers →