create_subscription_contract · Shopify Graphql MCP

WHAT IT DOES

What create_subscription_contract does on Shopify Graphql

AI agents use create_subscription_contract to commit financial operations through Shopify Graphql — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why create_subscription_contract needs a policy

Creating a subscription contract directly commits financial obligations by establishing recurring billing agreements. This falls squarely in the Financial category as it initiates ongoing monetary transactions. Misuse could create unauthorized recurring charges for customers, making this a critical severity risk.

From the tool's definition 'Create a new subscription contract' — establishes a recurring financial obligation/commitment between merchant and customer

Attacks that exploit this kind of access

Questions about create_subscription_contract

What does the create_subscription_contract tool do? +

Create a new subscription contract. It is categorised as a Financial tool in the Shopify Graphql MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on create_subscription_contract? +

Register the Shopify Graphql MCP server in PolicyLayer and add a rule for create_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.

What risk level is create_subscription_contract? +

create_subscription_contract is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit create_subscription_contract? +

Yes. Add a rate_limit block to the create_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.

How do I block create_subscription_contract completely? +

Set action: deny in the PolicyLayer policy for create_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.

What MCP server provides create_subscription_contract? +

create_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.