Greyflows.
Case studies

Named builds. Real numbers.

Four delivered systems, each scoped, priced and shipped in under a week. Disclosure: outcomes are reported from client-side tracking and quotes are shared with permission.

Obsyn 6 days 12 nodes $1,200

RAG pipeline observability

“We now see pipeline health before users do.”

Problem

Obsyn’s RAG pipeline had silent failures: embedding drift and latency spikes were not caught until users complained. There was no centralized telemetry or alerting.

What we built

A 12-node pipeline in two chains. The watch chain samples telemetry every 15 minutes, flags drift above 0.08, p95 above 1200ms or error rates above 1%, logs to the database, archives to Sheets and alerts Slack with a cooldown to stop storms. The report chain sends a daily 8am rollup of the last 24 hours of metrics to the team inbox.

Stack

ScheduleHTTPSupabaseSlackGoogle SheetsGmail

Results

  • 2 silent failures caught in the first week
  • Mean time to detect down to under 15 minutes
  • Daily rollup saved 4 hours/week of manual reporting

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