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What broke when I tested MCP servers in four AI clients

This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.

For the past week I've been running MCP servers through the same small tasks in Claude Code and Cursor, and some in Claude Desktop and ChatGPT (Codex). Each run checks install, connect and tool listing, then gives the agent one standard task and records pass, partial or fail. Here's what I learned.…

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  1. 2026-10-19 13:26 · DEV Community — AI
    What broke when I tested MCP servers in four AI clients

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