cart_add_cart_lines

Add cart lines to cart

SERVERMCP Dynamics 365 Commerce Server SOURCEjiantmo/mcp-commerce

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jiantmo-mcp-commerce/cart-add-cart-lines.md

WHAT IT DOES

What cart_add_cart_lines does on MCP Dynamics 365 Commerce Server

AI agents use cart_add_cart_lines to create or update resources in MCP Dynamics 365 Commerce Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Dynamics 365 Commerce Server environment.

RISK

Why cart_add_cart_lines is rated Medium

Adding items to a cart creates or modifies cart data, which is characteristic of Write operations. The action is reversible (items can be removed). While this could eventually lead to a Financial transaction (payment), the tool itself only modifies cart state, not financial obligations.

From the tool's definition The tool name 'cart_add_cart_lines' and description 'Add cart lines to cart' indicate this modifies a shopping cart by adding items. This is a write operation that creates or modifies data (cart contents) reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cart_add_cart_lines safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Dynamics 365 Commerce Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cart_add_cart_lines, this is the rule to start with:

cart_add_cart_lines Rate-limited

cart_add_cart_lines 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": {
    "cart_add_cart_lines": {
      "limits": [
        {
          "counter": "cart_add_cart_lines_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Dynamics 365 Commerce Server, apply this rule, and every cart_add_cart_lines call is checked against it from then on.

FAQ

Questions about cart_add_cart_lines

What does the cart_add_cart_lines tool do? +

Add cart lines to cart. It is categorised as a Write tool in the MCP Dynamics 365 Commerce Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cart_add_cart_lines? +

Register the MCP Dynamics 365 Commerce Server MCP server in PolicyLayer and add a rule for cart_add_cart_lines: 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 MCP Dynamics 365 Commerce Server. Nothing to install.

What risk level is cart_add_cart_lines? +

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

Can I rate-limit cart_add_cart_lines? +

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

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

cart_add_cart_lines is provided by the MCP Dynamics 365 Commerce Server MCP server (jiantmo/mcp-commerce). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on MCP Dynamics 365 Commerce Server, and thousands of servers like it.

This server

All 326 MCP Dynamics 365 Commerce Server tools →

Across the catalogue

add-tag on Kanban MCP Server →kb_add on Persistent Kb → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →