add_ingredients_to_shelf · Bar Assistant MCP Server MCP

WHAT IT DOES

What add_ingredients_to_shelf does on Bar Assistant MCP Server

AI agents use add_ingredients_to_shelf to create or update resources in Bar Assistant MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Bar Assistant MCP Server environment.

WHY IT NEEDS A POLICY

Why add_ingredients_to_shelf needs a policy

This tool creates or modifies bar inventory by adding ingredients. It has no destructive effects (data can be removed), no code execution, and no financial impact. It is clearly a Write operation with low severity since misuse would only affect personal bar inventory data with easily reversible consequences.

From the tool's definition Tool name 'add_ingredients_to_shelf' and description 'Add ingredients to your bar shelf' indicate creation/modification of inventory data. The action is reversible via 'remove_ingredients_from_shelf' (a sibling tool).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_ingredients_to_shelf Rate-limited

add_ingredients_to_shelf stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_ingredients_to_shelf": {
      "limits": [
        {
          "counter": "add_ingredients_to_shelf_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Bar Assistant MCP Server, so you can run agents against it safely.

FAQ

Questions about add_ingredients_to_shelf

What does the add_ingredients_to_shelf tool do? +

Add ingredients to your bar shelf by their IDs. It is categorised as a Write tool in the Bar Assistant MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_ingredients_to_shelf? +

Register the Bar Assistant MCP Server MCP server in PolicyLayer and add a rule for add_ingredients_to_shelf: 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.

What risk level is add_ingredients_to_shelf? +

add_ingredients_to_shelf is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_ingredients_to_shelf? +

Yes. Add a rate_limit block to the add_ingredients_to_shelf 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.

How do I block add_ingredients_to_shelf completely? +

Set action: deny in the PolicyLayer policy for add_ingredients_to_shelf. 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.

What MCP server provides add_ingredients_to_shelf? +

add_ingredients_to_shelf 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.