Create a new external financial institution (bank account) for ACH/wire transfers
AI agents use brale_create_external_financial_institution to commit financial operations through Brale API MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool creates bank account connections that enable ACH/wire transfers — financial infrastructure that directly enables money movement. Misuse could link unauthorized bank accounts to facilitate fraudulent transfers, constituting a financial risk with high blast radius.
From the tool's definition Create a new external financial institution (bank account) for ACH/wire transfers
Attacks that exploit this kind of access
Create a new external financial institution (bank account) for ACH/wire transfers. It is categorised as a Financial tool in the Brale API MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Brale API MCP Server MCP server in PolicyLayer and add a rule for brale_create_external_financial_institution: 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 Brale API MCP Server. Nothing to install.
brale_create_external_financial_institution 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 brale_create_external_financial_institution 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 brale_create_external_financial_institution. 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.
brale_create_external_financial_institution is provided by the Brale API MCP Server MCP server (stablecoinxyz/brale-api-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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