Guides Mon Jun 29 2026
MCP vs Function Calling: What's the Difference and When to Use Each
MCP and function calling both let an AI use tools. But function calling is a per-request contract you define in code, while MCP is a persistent protocol that exposes tools from a running server. This guide explains the difference clearly, when each approach makes sense, and how tools like Askimo Desktop let you use both without writing any code.
