sap_cancel_subscription
Cancel a recurring subscription. SAP MCP context: Payment and settlement flow. Estimate or fetch state before creating escrows or settling calls; write operations require an enabled signer mode and MCP policy approval. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid value...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-cancel-subscription.md
What sap_cancel_subscription does on Sap
AI agents use sap_cancel_subscription to commit financial operations through Sap, usually the final step of a payment, billing, or trading workflow. A call moves real money.
| Parameter | Type | Required | Description |
|---|---|---|---|
subId | string | — | Subscription ID (as a decimal string, default: 0) |
agentWallet | string | — | Agent wallet public key (base58) |
Parameters from the server's own tool schema.
Why sap_cancel_subscription is rated Critical
Cancelling a subscription terminates ongoing financial obligations, a financial action with irreversible billing consequences.
From the tool's definition Cancel a recurring subscription. Payment and settlement flow.
Attacks that exploit this kind of access
The rule that runs sap_cancel_subscription safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sap, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sap_cancel_subscription, this is the rule to start with:
Any call to sap_cancel_subscription is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Sap, apply this rule, and every sap_cancel_subscription call is checked against it from then on.
Questions about sap_cancel_subscription
Cancel a recurring subscription. SAP MCP context: Payment and settlement flow. Estimate or fetch state before creating escrows or settling calls; write operations require an enabled signer mode and MCP policy approval. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid value-action; preview cost and transaction effects before user confirmation. Routing: hosted accountless write is blocked; do not call this as a paid hosted write and no x402 payment should be charged. Use the local sap_payments bridge or a hosted unsigned builder when user signing is required. Signer boundary: user-controlled local profile or external signer; OOBE hosted MCP remains non-custodial. It is categorised as a Financial tool in the Sap MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
sap_cancel_subscription accepts 2 parameters: subId, agentWallet. The full parameter table on this page comes from the server's own tool schema.
Register the Sap MCP server in PolicyLayer and add a rule for sap_cancel_subscription: 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 Sap. Nothing to install.
sap_cancel_subscription 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 sap_cancel_subscription 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 sap_cancel_subscription. 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.
sap_cancel_subscription is provided by the Sap MCP server (https://mcp.sap.oobeprotocol.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Sap, and thousands of servers like it.
Across the catalogue