# update_product

Update an existing product

Agent View of the PolicyLayer registry record for `update_product`. HTML page: https://policylayer.com/tools/paypal/update-product

## Facts

- Tool: `update_product`
- Server: PayPal (`@modelcontextprotocol/server-paypal`) — https://policylayer.com/tools/paypal.md
- Install: `npx -y @modelcontextprotocol/server-paypal`
- Homepage: https://github.com/paypal/paypal-mcp-server
- Risk category: Write (Medium risk)
- Registry record: grade F, identity verified
- 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": "update_product",
    "arguments": {}
  }
}
```

## Why update_product is rated Medium

This tool modifies existing product data reversibly without deleting it or committing financial transactions. While it could have business impact if misused, it remains in the Write category.

From the tool's own definition: "Tool name is 'update_product' and description states 'Update an existing product', indicating modification of existing data."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on PayPal (29)

- `cancel_sent_invoice` — Destructive — https://policylayer.com/tools/paypal/cancel-sent-invoice.md
- `accept_dispute_claim` — Financial — https://policylayer.com/tools/paypal/accept-dispute-claim.md
- `cancel_subscription` — Financial — https://policylayer.com/tools/paypal/cancel-subscription.md
- `create_invoice` — Financial — https://policylayer.com/tools/paypal/create-invoice.md
- `create_order` — Financial — https://policylayer.com/tools/paypal/create-order.md
- `create_refund` — Financial — https://policylayer.com/tools/paypal/create-refund.md
- `create_subscription` — Financial — https://policylayer.com/tools/paypal/create-subscription.md
- `pay_order` — Financial — https://policylayer.com/tools/paypal/pay-order.md
- `send_invoice` — Financial — https://policylayer.com/tools/paypal/send-invoice.md
- `generate_invoice_qr_code` — Read — https://policylayer.com/tools/paypal/generate-invoice-qr-code.md
- `get_dispute` — Read — https://policylayer.com/tools/paypal/get-dispute.md
- `get_invoice` — Read — https://policylayer.com/tools/paypal/get-invoice.md
- `get_order` — Read — https://policylayer.com/tools/paypal/get-order.md
- `get_refund` — Read — https://policylayer.com/tools/paypal/get-refund.md
- `get_shipment_tracking` — Read — https://policylayer.com/tools/paypal/get-shipment-tracking.md
- `list_disputes` — Read — https://policylayer.com/tools/paypal/list-disputes.md
- `list_invoices` — Read — https://policylayer.com/tools/paypal/list-invoices.md
- `list_products` — Read — https://policylayer.com/tools/paypal/list-products.md
- `list_subscription_plans` — Read — https://policylayer.com/tools/paypal/list-subscription-plans.md
- `list_transactions` — Read — https://policylayer.com/tools/paypal/list-transactions.md
- `show_product_details` — Read — https://policylayer.com/tools/paypal/show-product-details.md
- `show_subscription_details` — Read — https://policylayer.com/tools/paypal/show-subscription-details.md
- `show_subscription_plan_details` — Read — https://policylayer.com/tools/paypal/show-subscription-plan-details.md
- `create_product` — Write — https://policylayer.com/tools/paypal/create-product.md
- `create_shipment_tracking` — Write — https://policylayer.com/tools/paypal/create-shipment-tracking.md
- `create_subscription_plan` — Write — https://policylayer.com/tools/paypal/create-subscription-plan.md
- `send_invoice_reminder` — Write — https://policylayer.com/tools/paypal/send-invoice-reminder.md
- `update_plan` — Write — https://policylayer.com/tools/paypal/update-plan.md
- `update_subscription` — Write — https://policylayer.com/tools/paypal/update-subscription.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=paypal · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/paypal