isw_bulk_transfer
Send money to multiple bank accounts. High-risk financial operation; requires confirm: true. Max 100 transactions.
This record as markdown: /tools/io-github-dairus01-interswitch-mcp-server/isw-bulk-transfer.md
What isw_bulk_transfer does on Interswitch
AI agents use isw_bulk_transfer to commit financial operations through Interswitch, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why isw_bulk_transfer is rated Critical
This tool moves money (transfers) to multiple recipients, committing financial obligations. It is irreversible and has direct monetary impact. Even with the confirm flag requirement, bulk transfers represent the highest severity category. The ability to transfer to up to 100 accounts in one operation amplifies blast radius if an AI agent is tricked into misuse.
From the tool's definition Tool explicitly described as 'Send money to multiple bank accounts' and flagged as 'High-risk financial operation.' Context confirms this is part of Interswitch payment/transfer APIs.
Attacks that exploit this kind of access
The rule that runs isw_bulk_transfer safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Interswitch, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For isw_bulk_transfer, this is the rule to start with:
Any call to isw_bulk_transfer is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Interswitch, apply this rule, and every isw_bulk_transfer call is checked against it from then on.
Questions about isw_bulk_transfer
Send money to multiple bank accounts. High-risk financial operation; requires confirm: true. Max 100 transactions. It is categorised as a Financial tool in the Interswitch MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Interswitch MCP server in PolicyLayer and add a rule for isw_bulk_transfer: 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 Interswitch. Nothing to install.
isw_bulk_transfer 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 isw_bulk_transfer 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 isw_bulk_transfer. 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.
isw_bulk_transfer is provided by the Interswitch MCP server (interswitch-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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