| Layer | Product | Role |
|---|---|---|
| L4 | Blekline | Pre-model/tool: mask, enforce, audit |
| L3 | Guardrails AI | Post-model: output structure and validation |
Dual-deploy flow
Agent → Blekline (ingress) → Model → Guardrails (output) → User
Blekline and Guardrails are complementary, not overlapping. Blekline does not store duplicate PII for Guardrails validation.
Next steps: Eval hub · Trust boundaries · MCP proxy · Open workspace