Search for beers by name
AI agents call search_beer to retrieve information from Untappd 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 or queries data from the Untappd beer database without creating, modifying, or deleting any information. It is a straightforward read-only search operation that returns matching beer records. The blast radius if misused is negligible, as search queries cannot cause harm beyond potentially excessive API calls.
From the tool's definition Tool name is 'search_beer' and description states 'Search for beers by name' — a pure query operation with no side effects on the Untappd database.
Attacks that exploit this kind of access
Search for beers by name. It is categorised as a Read tool in the Untappd MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Untappd MCP Server MCP server in PolicyLayer and add a rule for search_beer: 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 Untappd MCP Server. Nothing to install.
search_beer 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 search_beer 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 search_beer. 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.
search_beer is provided by the Untappd MCP Server MCP server (jtucker/mcp-untappd-server). 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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