Search for Christmas recipes containing a specific ingredient.
AI agents call search_by_ingredient to retrieve information from Recettes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a search/query operation against the recipe database to find recipes matching a specific ingredient criterion. It retrieves and returns data with no side effects, no data modification, and no external command execution. This is a straightforward read operation with minimal risk.
From the tool's definition Tool name 'search_by_ingredient' and description 'Search for Christmas recipes containing a specific ingredient' indicate a query operation that retrieves recipe data without modifying or deleting anything.
Attacks that exploit this kind of access
Search for Christmas recipes containing a specific ingredient. It is categorised as a Read tool in the Recettes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Recettes MCP Server MCP server in PolicyLayer and add a rule for search_by_ingredient: 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 Recettes MCP Server. Nothing to install.
search_by_ingredient 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_by_ingredient 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_by_ingredient. 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_by_ingredient is provided by the Recettes MCP Server MCP server (symfomany/mcp-tuto). 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.
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