Get cart by ID
AI agents call cart_get_cart_by_id to retrieve information from MCP Dynamics 365 Commerce Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and returns cart data without modifying, deleting, or executing operations. It is a simple data lookup operation typical of Read category tools. Severity is low because retrieving shopping cart information presents minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'cart_get_cart_by_id' and description 'Get cart by ID' indicate a retrieval operation. The 'get' verb and action of fetching a cart object by identifier are characteristic of read-only queries with no side effects.
Attacks that exploit this kind of access
Get cart by ID. It is categorised as a Read tool in the MCP Dynamics 365 Commerce Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Dynamics 365 Commerce Server MCP server in PolicyLayer and add a rule for cart_get_cart_by_id: 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.
cart_get_cart_by_id is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the cart_get_cart_by_id 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.
Set action: deny in the PolicyLayer policy for cart_get_cart_by_id. 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.
cart_get_cart_by_id 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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