agent-device vs Browser4
An independent, evidence-based trust comparison of agent-device and Browser4, 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.
agent-device leads on trust — 79.3/100 (Grade B) vs 76.9/100 (Grade B), a 2.4-point gap. Full breakdown below.
| Signal | agent-devicecallstack/agent-device | Browser4platonai/Browser4 |
|---|---|---|
| HVTrust score | 79.3 | 76.9 |
| Evidence grade | B | B |
| Coverage grade | B | B |
| Overall rank | #98 | #117 |
| Rank in Browser & Computer Use | #6 | #8 |
| GitHub stars | 4.3k | 1.1k |
| Last updated | today | today |
| Build provenance | No | Yes |
| OSSF Scorecard | 6.4 / 10 | 4.8 / 10 |
| License | MIT | Apache-2.0 |
| Downloads | 138k/wk | 987/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 13.0 | 13.6 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 13.9 | 12.6 |
| Maintenance / 20 | 20.0 | 20.0 |
| Adoption / 20 | 15.6 | 11.3 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Declared |
| External providers | — | 3 — DeepSeek, OpenAI, OpenRouter |
| Requires API keys | No | Yes |
| Plugin surface | — | extensions |
| Provenance drift | Match | 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 →