AI agents use Source-to-Pay to initiate financial transactions through Btp Sap Odata To. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
Source-to-Pay moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
{
"version": "1",
"default": "deny",
"tools": {
"Source-to-Pay": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full Btp Sap Odata To policy for all 29 tools.
These attack patterns abuse exactly the kind of access Source-to-Pay gives an agent. Each links to the full case and the policy that stops it:
Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Source-to-Pay. It is categorised as a Financial tool in the Btp Sap Odata To MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Btp Sap Odata To MCP server in PolicyLayer and add a rule for Source-to-Pay: 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 Btp Sap Odata To. Nothing to install.
Source-to-Pay 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 Source-to-Pay 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 Source-to-Pay. 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.
Source-to-Pay is provided by the Btp Sap Odata To MCP server (btp-sap-odata-to-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 29 Btp Sap Odata To tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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