# cart_get_promotions

Get cart promotions

Agent View of the PolicyLayer registry record for `cart_get_promotions`. HTML page: https://policylayer.com/tools/jiantmo-mcp-commerce/cart-get-promotions

## Facts

- Tool: `cart_get_promotions`
- Server: MCP Dynamics 365 Commerce Server (`jiantmo/mcp-commerce`) — https://policylayer.com/tools/jiantmo-mcp-commerce.md
- Homepage: https://github.com/jiantmo/mcp-commerce
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why cart_get_promotions is rated Low

This tool retrieves promotion information associated with a cart without modifying any data or triggering external operations. It has no side effects and simply returns existing promotion data. The blast radius is minimal as it only exposes currently applicable promotions.

From the tool's own definition: "Tool name 'cart_get_promotions' and description 'Get cart promotions' indicate a retrieval operation. The verb 'get' and lack of any modification or execution keywords confirm this is a read-only query."

## Use case

AI agents call cart_get_promotions to retrieve information from MCP Dynamics 365 Commerce Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches MCP Dynamics 365 Commerce Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "cart_get_promotions": {}
  }
}
```

## Other tools on MCP Dynamics 365 Commerce Server (325)

- `cart_delete_entity` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-delete-entity.md
- `cart_remove_cart_lines` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-remove-cart-lines.md
- `example_delete_entity` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/example-delete-entity.md
- `operations_void_suspended_transactions` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/operations-void-suspended-transactions.md
- `product_lists_delete_entity` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/product-lists-delete-entity.md
- `product_lists_remove_product_list_lines` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/product-lists-remove-product-list-lines.md
- `products_remove_from_wishlist` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/products-remove-from-wishlist.md
- `shifts_delete_shifts` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-delete-shifts.md
- `shifts_force_delete` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-force-delete.md
- `shifts_void_suspended_carts` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-void-suspended-carts.md
- `stock_count_journal_remove_journal` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-journal-remove-journal.md
- `stock_count_journal_remove_transaction` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-journal-remove-transaction.md
- `stock_count_remove_line_by_line_id` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-remove-line-by-line-id.md
- `stock_count_remove_line_by_product_rec_id` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-remove-line-by-product-rec-id.md
- `tender_drop_create_transaction` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/tender-drop-create-transaction.md
- `transfer_order_delete_entity` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/transfer-order-delete-entity.md
- `transfer_order_delete_transfer_order_lines` — Destructive — https://policylayer.com/tools/jiantmo-mcp-commerce/transfer-order-delete-transfer-order-lines.md
- `cart_recalculate_order` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-recalculate-order.md
- `sales_orders_fulfillment_ship_fulfillment_lines` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/sales-orders-fulfillment-ship-fulfillment-lines.md
- `salesorder_checkin_for_order_pickup` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/salesorder-checkin-for-order-pickup.md
- `shifts_blind_close` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-blind-close.md
- `shifts_resume` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-resume.md
- `shifts_use` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/shifts-use.md
- `stock_count_journal_commit` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-journal-commit.md
- `stock_count_journal_sync_transactions` — Execute — https://policylayer.com/tools/jiantmo-mcp-commerce/stock-count-journal-sync-transactions.md
- `cart_cashout_gift_card` — Financial — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-cashout-gift-card.md
- `cart_checkout` — Financial — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-checkout.md
- `cart_issue_gift_card` — Financial — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-issue-gift-card.md
- `cart_refill_gift_card` — Financial — https://policylayer.com/tools/jiantmo-mcp-commerce/cart-refill-gift-card.md
- `loyaltycard_redeem_points` — Financial — https://policylayer.com/tools/jiantmo-mcp-commerce/loyaltycard-redeem-points.md
- …and 295 more: https://policylayer.com/tools/jiantmo-mcp-commerce.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=jiantmo-mcp-commerce · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/jiantmo-mcp-commerce
