One prompt closed the whole debugging loop: repro, diagnosis, fix and verification
dfinke · x · 2026-10-08
Developer dfinke describes handing a single request to an AI agent that ran the entire debugging loop: it read the logs to find unhandled cases, created a real repro (not a guess) to confirm the breakage, tracked down where VS Code logs MCP activity — a location even the author didn't know — then patched and verified the fix.
His takeaway: the setup → repro → diagnosis → fix loop that used to be his job is now just a prompt, a concrete demonstration of coding agents handling real-world debugging end to end.
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