search_by_first_letter
AI agents call search_by_first_letter to retrieve information from Recipe Research MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to search recipes filtered by their first letter, which is a retrieval operation with no side effects. No data is created, modified, or deleted. The operation is consistent with the read-only recipe discovery functionality described for the server.
From the tool's definition Tool name 'search_by_first_letter' indicates a query/search operation. Server context describes 'recipe search' and 'recipe discovery' capabilities.
Attacks that exploit this kind of access
search_by_first_letter. It is categorised as a Read tool in the Recipe Research MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Recipe Research MCP Server MCP server in PolicyLayer and add a rule for search_by_first_letter: 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 Recipe Research MCP Server. Nothing to install.
search_by_first_letter 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_first_letter 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_first_letter. 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_first_letter is provided by the Recipe Research MCP Server MCP server (suraj-yadav-aiml/recipe-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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