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Developer's MCP migration tool incorrectly advises non-existent version upgrade

A developer created a tool to help migrate servers using the Model Context Protocol (MCP) to its latest version, but discovered their tool was incorrect. The tool incorrectly advised users to upgrade to version 2.x of the `@modelcontextprotocol/sdk` package, which does not exist. The actual version 2.0.0 of the protocol has been released under different package names, such as `@modelcontextprotocol/server` and `@modelcontextprotocol/client`, and involves significant changes like stateless transport and the removal of session IDs. AI

RANK_REASON The item describes a developer's tool for migrating a specific protocol, highlighting an error in the tool's functionality and its subsequent correction.

Read on dev.to — MCP tag →

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Developer's MCP migration tool incorrectly advises non-existent version upgrade

COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Alpay Celik ·

    I built a Skill and checker for MCP's breaking change 2026-08-26. Then the checker was wrong about it.

    <p>If you are migrating an MCP server right now, here is the thing that will cost you<br /> an afternoon, before anything else in this post:</p> <p><strong><code>@modelcontextprotocol/sdk</code> has no 2.x. It never will.</strong></p> <p>It stops at <code>1.30.0</code>. If you go…