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  3. Introduction to Model Context Protocol (MCP)
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Bài tập

Parameterized Database Lookup Tools

An on-demand lookup tool will allow the LLM to search currencies by name or code without loading the full list. Use a parameterized query (placeholder ?) to avoid prompt injection, and apply a row limit so responses stay bounded.

Hướng dẫn

100 XP
  • Define a tool called lookup_currencies() that finds rows in currencies where name or code contains prefix (case-insensitive).
  • Use a parameterized SQL query to insert prefix into the ? placeholders; use LIMIT 50 to limit the number of rows returned.