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Which to Use: MCP, Function Calling, or Plugins

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

When clients ask me how to connect an AI model to their existing data stack, the conversation almost always comes down to three patterns: Model Context Protocol (MCP), function calling, and plugins. They solve related problems but they are not interchangeable. Using the wrong one adds unnecessary c…

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  1. 2026-09-09 02:34 · DEV Community — AI
    Which to Use: MCP, Function Calling, or Plugins

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