cancel_subscription_contract
Cancel a subscription contract
This record as markdown: /tools/uvu-store-shopify-graphql-mcp/cancel-subscription-contract.md
What cancel_subscription_contract does on Shopify Graphql
AI agents call cancel_subscription_contract to permanently remove resources in Shopify Graphql, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why cancel_subscription_contract is rated Critical
An AI agent that decides to call cancel_subscription_contract doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Shopify Graphql is gone. There is no undo for destructive operations.
Attacks that exploit this kind of access
The rule that runs cancel_subscription_contract safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Shopify Graphql, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cancel_subscription_contract, this is the rule to start with:
cancel_subscription_contract is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Shopify Graphql, apply this rule, and every cancel_subscription_contract call is checked against it from then on.
Questions about cancel_subscription_contract
Cancel a subscription contract. It is categorised as a Destructive tool in the Shopify Graphql MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Shopify Graphql MCP server in PolicyLayer and add a rule for cancel_subscription_contract: 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 Shopify Graphql. Nothing to install.
cancel_subscription_contract is a Destructive 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 cancel_subscription_contract 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 cancel_subscription_contract. 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.
cancel_subscription_contract is provided by the Shopify Graphql MCP server (uvu-store/shopify-graphql-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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