Cua vs Obscura
An independent, evidence-based trust comparison of Cua and Obscura, two Browser & Computer Use projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Cua leads on trust — 74.2/100 (Grade B) vs 67.5/100 (Grade B), a 6.7-point gap. Full breakdown below.
| Signal | Cuatrycua/cua | Obscurah4ckf0r0day/obscura |
|---|---|---|
| HVTrust score | 74.2 | 67.5 |
| Evidence grade | B | B |
| Coverage grade | B | C |
| Overall rank | #145 | #236 |
| Rank in Browser & Computer Use | #6 | #8 |
| GitHub stars | 22.1k | 24.1k |
| Last updated | today | 1d ago |
| Build provenance | No | No |
| OSSF Scorecard | 4.9 / 10 | 6.2 / 10 |
| License | MIT | Apache-2.0 |
| Downloads | 11k/wk | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 9.4 | 10.5 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.7 | 13.8 |
| Maintenance / 20 | 20.0 | 19.9 |
| Adoption / 20 | 15.8 | 10.5 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 2 — Anthropic, OpenAI | — |
| Requires API keys | No | No |
| Plugin surface | — | — |
| Provenance drift | Match | — |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →