Get a single cart by its ID
AI agents call fakestore_get_cart to retrieve information from Fake Store API MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves cart data by ID without modifying, deleting, or executing operations. It is a straightforward read operation typical of query/fetch functionality. The low severity reflects minimal risk—reading non-sensitive demo/test data from a fake e-commerce API poses negligible security exposure.
From the tool's definition Tool name 'fakestore_get_cart' and description 'Get a single cart by its ID' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a single cart by its ID. It is categorised as a Read tool in the Fake Store API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Fake Store API MCP Server MCP server in PolicyLayer and add a rule for fakestore_get_cart: 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 Fake Store API MCP Server. Nothing to install.
fakestore_get_cart 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 fakestore_get_cart 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 fakestore_get_cart. 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.
fakestore_get_cart is provided by the Fake Store API MCP Server MCP server (op-enny/mcp-server-fakestore). 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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