Submit a previously authorized transaction for settlement via submitTransactionForSettlement. Unlike capture_transaction (captureTransaction), this marks the transaction for the next settlement batch and supports optional order id / descriptor overrides.
AI agents use submit_for_settlement to commit financial operations through Mcp Ap2 — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly triggers the financial settlement of an authorized transaction, moving real money from the payer to the payee. Misuse could result in unauthorized or incorrect charges being finalized. This clearly falls under the Financial category with critical severity due to irreversible monetary consequences.
From the tool's definition 'Submit a previously authorized transaction for settlement via submitTransactionForSettlement' — marks a financial transaction for settlement, completing the payment capture process
Documented attack patterns abuse exactly the kind of access submit_for_settlement gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for submit_for_settlement:
{
"version": "1",
"default": "deny",
"tools": {
"submit_for_settlement": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
} Any call to submit_for_settlement is blocked until a human approves it. The rest of the server keeps working.
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Submit a previously authorized transaction for settlement via submitTransactionForSettlement. Unlike capture_transaction (captureTransaction), this marks the transaction for the next settlement batch and supports optional order id / descriptor overrides. It is categorised as a Financial tool in the Mcp Ap2 MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for submit_for_settlement: 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 Mcp Ap2. Nothing to install.
submit_for_settlement 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 submit_for_settlement 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 submit_for_settlement. 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.
submit_for_settlement is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.