close_fulfillment_order · Shopify Graphql MCP: Risk & Policy

WHAT IT DOES

What close_fulfillment_order does on Shopify Graphql

AI agents use close_fulfillment_order to create or update resources in Shopify Graphql — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Shopify Graphql environment.

WHY IT NEEDS A POLICY

Why close_fulfillment_order needs a policy

This tool modifies the status of a fulfillment order by closing it as incomplete. This is a Write operation because it updates data (the fulfillment order's status) reversibly—the order state can theoretically be reopened or recreated by an operator.

From the tool's definition Tool name 'close_fulfillment_order' and description 'Close a fulfillment order as incomplete' indicate a state-change operation on an existing fulfillment order object.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

close_fulfillment_order Rate-limited

close_fulfillment_order stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "close_fulfillment_order": {
      "limits": [
        {
          "counter": "close_fulfillment_order_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Shopify Graphql, so you can run agents against it safely.

FAQ

Questions about close_fulfillment_order

What does the close_fulfillment_order tool do? +

Close a fulfillment order as incomplete, indicating the fulfillment service cannot ship remaining items. It is categorised as a Write tool in the Shopify Graphql MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on close_fulfillment_order? +

Register the Shopify Graphql MCP server in PolicyLayer and add a rule for close_fulfillment_order: 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 close_fulfillment_order? +

close_fulfillment_order is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit close_fulfillment_order? +

Yes. Add a rate_limit block to the close_fulfillment_order 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 close_fulfillment_order completely? +

Set action: deny in the PolicyLayer policy for close_fulfillment_order. 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 close_fulfillment_order? +

close_fulfillment_order 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.