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MCP App vs MCP Server vs Connector: Definitive Terminology Guide for 2026

This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.

In brief: MCP server is the engineering term – a JSON-RPC 2.0 process exposing tools, resources, and prompts. MCP app is the product term – the user-installable artifact built on top. Connector is what Claude calls an installed MCP app inside its product. Plugin, integration, and skill are inherite…

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  1. 2026-09-18 13:05 · DEV Community — AI
    MCP App vs MCP Server vs Connector: Definitive Terminology Guide for 2026

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