Dev.to tutorial Tutorials 1h ago

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

by Alpay Celik

A package rename looks exactly like a package that doesn't exist. My tool got it wrong, my fix got it wrong in the other direction, and the lesson generalises further than MCP. Plus the migration procedure I ship as an agent skill — and how to run it without one.

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MCP

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Devto Id: 4290560
Reading Time Minutes: 8

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

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I told one AI to demolish the handoff prompt I wrote for another AI. It found a test that passes even when it's empty

Designing a Practical MiniMax H3 Video Workflow: Text, Frames, and Omni References

Context window growth is the silent failure mode in agentic pipelines