Team killed an AI agent on day one: integration quality beats model benchmarks

arthaudm · reddit · 2026-09-11

The author recounts a team canceling a Slack agent on day one due to buggy integration — the model never got a chance to matter. For team products, the failure chain starts before model quality: installability, identity and channel permissions, thread routing, visible receipts, and failure transparency. A frontier model behind flaky integration is a bad product; a modest model with predictable behavior is the one teams keep. Trust from the first ten actions is the real benchmark.

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