categories_get_children
Gets subcategories by channel and category id.
This record as markdown: /tools/jiantmo-mcp-commerce/categories-get-children.md
What categories_get_children does on MCP Dynamics 365 Commerce Server
AI agents call categories_get_children 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.
Why categories_get_children is rated Low
This tool queries and retrieves hierarchical product category data. It performs a read-only lookup operation without modifying, executing, or deleting any data. The action is limited to fetching existing subcategory information based on input parameters (channel and category id). Typical misuse would only result in accessing category information, which poses minimal risk in a commerce system context.
From the tool's definition Tool name 'categories_get_children' and description 'Gets subcategories by channel and category id' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs categories_get_children 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 categories_get_children, this is the rule to start with:
categories_get_children is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect MCP Dynamics 365 Commerce Server, apply this rule, and every categories_get_children call is checked against it from then on.
Questions about categories_get_children
Gets subcategories by channel and category 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 categories_get_children: 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.
categories_get_children 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 categories_get_children 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 categories_get_children. 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.
categories_get_children 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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