credit_store_credit_account · Shopify Graphql MCP

WHAT IT DOES

What credit_store_credit_account does on Shopify Graphql

AI agents use credit_store_credit_account 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 credit_store_credit_account needs a policy

This tool adds funds (store credit) to a customer account, which is a financial write operation. While it involves monetary value, it does not directly move real money or commit financial obligations—it issues store credit, which is an internal ledger entry. However, misuse could result in fraudulent credit issuance at scale, making severity high.

From the tool's definition Add funds to a store credit account. Creates the account automatically if it doesn't exist.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

credit_store_credit_account Rate-limited

credit_store_credit_account 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": {
    "credit_store_credit_account": {
      "limits": [
        {
          "counter": "credit_store_credit_account_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 credit_store_credit_account

What does the credit_store_credit_account tool do? +

Add funds to a store credit account. Creates the account automatically if it doesn. 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 credit_store_credit_account? +

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

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

Can I rate-limit credit_store_credit_account? +

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

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

credit_store_credit_account 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.