Get available delivery time slots for a postal code using session-based authentication.
AI agents call mcp__willys_get_delivery_slots to retrieve information from Willys MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns available delivery slots for a given postal code. It performs a read-only lookup operation with no ability to modify data, create orders, execute code, delete information, or commit financial transactions. The session-based authentication is a security measure rather than a permission to perform write/destructive operations.
From the tool's definition Tool name includes 'get' and description states 'Get available delivery time slots' — retrieves information with no side effects.
Attacks that exploit this kind of access
Get available delivery time slots for a postal code using session-based authentication. It is categorised as a Read tool in the Willys MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Willys MCP Server MCP server in PolicyLayer and add a rule for mcp__willys_get_delivery_slots: 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 Willys MCP Server. Nothing to install.
mcp__willys_get_delivery_slots 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 mcp__willys_get_delivery_slots 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 mcp__willys_get_delivery_slots. 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.
mcp__willys_get_delivery_slots is provided by the Willys MCP Server MCP server (jimmystridh/willys-mcp). 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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