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Resolve the Path Before You Check It: The Copilot MCP Config Bug in 20 Lines

This story is from 2026-10-26. It is preserved in the archive; the latest stories are on the live feed.

Originally published at webofmike.com on 2026-10-21. The demo repo was run before publishing. If your agent can pick a file path and your code decides whether that write is allowed, go look at the order of two lines. Check, then resolve, is the bug. Resolve, then check, is the fix. That's the short…

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  1. 2026-10-26 02:58 · DEV Community — AI
    Resolve the Path Before You Check It: The Copilot MCP Config Bug in 20 Lines

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