# SPC-06 Behavior baseline capture

Domain: SPC Agent Specification & Pre-Deployment Assurance · HI-AAF v1.3 · Public review · https://humanintel.net/standard/spc/spc-06

A behavior baseline is captured at deployment, including response distributions, tool-invocation patterns, refusal rates, fairness metrics, and cost/latency profiles, to enable subsequent drift detection.

At the point of deployment, the agent's behavioral profile is captured: response distributions, tool-invocation patterns, refusal rates, fairness metrics under SPC-09, and cost/latency profiles. This baseline is the reference point for drift detection under MON-04 and is updated on every material change.

## Maturity

- L1 Ad hoc: Controls exist informally; documentation is incomplete; no consistent review.
- L2 Documented: Controls are written down; ownership is assigned; review cadence is defined.
- L3 Operated: Controls are followed in practice; evidence is collected; deviations are tracked. Published criterion for SPC-06: Baseline metrics are captured and stored for every production agent; baselines are referenced by the drift detection system; baselines have been updated after the most recent material change.
- L4 Measured: Control effectiveness is measured against documented thresholds; trends are reported.
- L5 Continuously Improved: Controls evolve based on incident learning; maturity gains are evidenced over time.

## Evidence an assessor asks for

- Baseline metrics are captured and stored for every production agent.
- Baselines are referenced by the drift detection system.
- Baselines have been updated after the most recent material change.

## Framework mappings

- NIST AI RMF: MEASURE 1.1, MEASURE 1.3
- ISO/IEC 42001: A.6.2.6
- SOC 2 (TSC): CC7.1, CC8.1
- EU AI Act: Art. 9(2), Art. 15(3)
- Singapore: MAIGF Testing & Assurance, AI Verify Reproducibility

Mappings are directional: meeting this control evidences but does not by itself satisfy the external requirement.

## Related

- Cites SPC-09 Fairness evaluation: https://humanintel.net/standard/spc/spc-09
- Cites MON-04 Drift monitoring: https://humanintel.net/standard/mon/mon-04
- Cited by OUT-12 Model version pinning: https://humanintel.net/standard/out/out-12
- Cited by MON-03 Real-time anomaly detection: https://humanintel.net/standard/mon/mon-03

## Cite this control

Human Intelligence. HI-AAF v1.3, SPC-06 Behavior baseline capture. Public review edition, July 2026. https://humanintel.net/standard/spc/spc-06