# stateset_update_checkout_customer

Updates customer information on a checkout session. Can set customer_id to link to existing customer or provide guest details.

Agent View of the PolicyLayer registry record for `stateset_update_checkout_customer`. HTML page: https://policylayer.com/tools/stateset-mcp-server/stateset-update-checkout-customer

## Facts

- Tool: `stateset_update_checkout_customer`
- Server: Stateset (`stateset/stateset-mcp-server`) — https://policylayer.com/tools/stateset-mcp-server.md
- Homepage: https://github.com/stateset/stateset-mcp-server
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "stateset_update_checkout_customer",
    "arguments": {}
  }
}
```

## Why stateset_update_checkout_customer is rated Medium

This tool creates or modifies checkout session data—a reversible operation typical of Write category. While it updates customer information during checkout, it does not execute arbitrary code, delete data, or commit financial transactions. The severity is medium because misuse could create fraudulent checkout sessions or link orders to wrong customers, but the operation remains reversible through subsequent updates.

From the tool's own definition: "Tool description states 'Updates customer information on a checkout session', indicating it modifies checkout data reversibly. The ability to 'set customer_id' or 'provide guest details' confirms data modification without deletion."

## Use case

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

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Stateset:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "stateset_update_checkout_customer": {
      "limits": [
        {
          "counter": "stateset_update_checkout_customer_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Stateset (237)

- `stateset_cancel_asn` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-cancel-asn.md
- `stateset_cancel_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-cancel-order.md
- `stateset_cancel_purchase_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-cancel-purchase-order.md
- `stateset_cancel_work_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-cancel-work-order.md
- `stateset_clear_cache` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-clear-cache.md
- `stateset_clear_cart` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-clear-cart.md
- `stateset_delete_asn` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-asn.md
- `stateset_delete_bill_of_materials` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-bill-of-materials.md
- `stateset_delete_cart` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-cart.md
- `stateset_delete_cash_sale` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-cash-sale.md
- `stateset_delete_customer` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-customer.md
- `stateset_delete_fulfillment_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-fulfillment-order.md
- `stateset_delete_inventory` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-inventory.md
- `stateset_delete_invoice` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-invoice.md
- `stateset_delete_item_receipt` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-item-receipt.md
- `stateset_delete_manufacturer_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-manufacturer-order.md
- `stateset_delete_notification` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-notification.md
- `stateset_delete_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-order.md
- `stateset_delete_payment` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-payment.md
- `stateset_delete_product` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-product.md
- `stateset_delete_product_variant` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-product-variant.md
- `stateset_delete_purchase_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-purchase-order.md
- `stateset_delete_rma` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-rma.md
- `stateset_delete_robot_serial` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-robot-serial.md
- `stateset_delete_sales_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-sales-order.md
- `stateset_delete_shipment` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-shipment.md
- `stateset_delete_supplier` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-supplier.md
- `stateset_delete_user` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-user.md
- `stateset_delete_warranty` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-warranty.md
- `stateset_delete_work_order` — Destructive — https://policylayer.com/tools/stateset-mcp-server/stateset-delete-work-order.md
- …and 207 more: https://policylayer.com/tools/stateset-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=stateset-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/stateset-mcp-server
