Search for products available at Publix grocery stores. Returns product name, price, and aisle location.
AI agents call product_search to retrieve information from Mcp Publix without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves product information (name, price, aisle location) from a grocery store database without any side effects. It performs a read-only query operation. The potential for misuse is minimal—an agent could retrieve product information repeatedly, but this causes no harm to systems or data. Severity is low and confidence is high due to clear read-only semantics.
From the tool's definition Tool description states it 'Search for products available at Publix grocery stores. Returns product name, price, and aisle location.' The verbs 'search' and 'returns' indicate data retrieval with no modification, creation, or deletion of data.
Attacks that exploit this kind of access
Search for products available at Publix grocery stores. Returns product name, price, and aisle location. It is categorised as a Read tool in the Mcp Publix MCP Server, which means it retrieves data without modifying state.
Register the Mcp Publix MCP server in PolicyLayer and add a rule for product_search: 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 Mcp Publix. Nothing to install.
product_search 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 product_search 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 product_search. 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.
product_search is provided by the Mcp Publix MCP server (markswendsen-code/mcp-publix). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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