Get all ingredients currently on your bar shelf with detailed information
AI agents call get_shelf_ingredients to retrieve information from Bar Assistant 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 and queries data from a bar inventory shelf without causing any side effects. It falls squarely within the Read category as it only fetches information about existing ingredients. The severity is low because unauthorized access to home bar inventory data presents minimal risk—it cannot alter data, execute code, or cause financial harm.
From the tool's definition Tool name 'get_shelf_ingredients' and description 'Get all ingredients currently on your bar shelf with detailed information' clearly indicate a retrieval operation with no modification, deletion, or execution of external commands.
Attacks that exploit this kind of access
Get all ingredients currently on your bar shelf with detailed information. It is categorised as a Read tool in the Bar Assistant MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bar Assistant MCP Server MCP server in PolicyLayer and add a rule for get_shelf_ingredients: 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 Bar Assistant MCP Server. Nothing to install.
get_shelf_ingredients 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 get_shelf_ingredients 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 get_shelf_ingredients. 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.
get_shelf_ingredients is provided by the Bar Assistant MCP Server MCP server (the-real-py/bar-assistant-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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