This record as markdown: /tools/webcake-storefront/list-courses.md
What list_courses does on Webcake Storefront
AI agents call list_courses to retrieve information from Webcake Storefront without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_courses is rated Low
This tool queries and retrieves a list of courses from the WebCake Storefront's Course app. It performs no creation, modification, deletion, execution, or financial operations. The blast radius of misuse is minimal—an unauthorized listing merely exposes existing course data, which is a read-only informational operation typical of storefront management systems.
From the tool's definition Tool name 'list_courses' and description 'List courses' indicate a retrieval operation with no modification or side effects. The verb 'list' is explicitly enumerated as a Read operation in the classification rules.
Attacks that exploit this kind of access
The rule that runs list_courses safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Webcake Storefront, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_courses, this is the rule to start with:
list_courses 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 Webcake Storefront, apply this rule, and every list_courses call is checked against it from then on.
Questions about list_courses
List courses (Course app). It is categorised as a Read tool in the Webcake Storefront MCP Server, which means it retrieves data without modifying state.
Register the Webcake Storefront MCP server in PolicyLayer and add a rule for list_courses: 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 Webcake Storefront. Nothing to install.
list_courses 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 list_courses 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 list_courses. 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.
list_courses is provided by the Webcake Storefront MCP server (webcake-storefront-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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