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Muster automatically detects anomalies in agent cost and quality patterns without requiring you to configure thresholds.

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Anomaly types

TypeTrigger
Cost spikeDaily cost > 1.3× 30-day baseline for 3+ consecutive days
Frequency changeJob frequency drops or spikes by >50% vs baseline
Error surgeFailed jobs exceed 20% of total jobs
Endpoint unreachableAgent’s endpoint fails health probe 3× in a row
Model changeAgent starts using a different model than registered

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Anomaly lifecycle

Detected → Active → Acknowledged → Resolved
  • Active — anomaly is ongoing, shown in the Executive Summary
  • Acknowledged — a team member has noted it (adds name + timestamp)
  • Resolved — anomaly condition no longer met

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Acknowledging anomalies

Click any anomaly in the Executive Summary or agent detail to acknowledge it. This removes it from the active count but keeps it in the history.

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Cost spike example

If your invoice-processor-v2 normally costs 14/daybutstartscosting14/day but starts costing 21/day:
  • Spike ratio: 1.41×
  • Baseline: $15.13 (30-day average)
  • Observed: $21.33 (10-day average)
  • Status: Active anomaly, severity HIGH