Reset all charges
AI agents use cart_reset_all_charges 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.
Resetting charges modifies the cart by removing or zeroing out applied charges. This is a reversible write operation (charges can potentially be re-applied), but has high severity because misuse could remove legitimate charges from customer orders, affecting financial accuracy without directly moving money.
From the tool's definition 'Reset all charges' — resets/removes charges applied to a cart
Attacks that exploit this kind of access
Reset all charges. 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.
Register the MCP Dynamics 365 Commerce Server MCP server in PolicyLayer and add a rule for cart_reset_all_charges: 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_reset_all_charges is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the cart_reset_all_charges 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_reset_all_charges. 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_reset_all_charges 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.
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