An independent, evidence-based trust comparison of Browser Harness and Stagehand, 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.
| Signal | Browser Harnessbrowser-use/browser-harness | Stagehandbrowserbase/stagehand |
|---|---|---|
| HVTrust score | 87.5 | 88.8 |
| Evidence grade | A | A |
| Coverage grade | B | A |
| Overall rank | #19 | #11 |
| Rank in Browser & Computer Use | #2 | #1 |
| GitHub stars | 16.0k | 23.5k |
| Last updated | today | 1d ago |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 5.3 / 10 | 5.6 / 10 |
| License | MIT | MIT |
| Downloads | 1.7M/wk | 1.0M/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 16.7 | 19.5 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 13.0 | 13.3 |
| Maintenance / 20 | 18.7 | 19.1 |
| Adoption / 20 | 18.4 | 18.5 |
| Runtime capability surface (full matrix) | ||
| MCP server | — | Declared |
| External providers | — | 3 — Anthropic, Browserbase, OpenAI |
| Requires API keys | No | No |
| Plugin surface | plugins | 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 v4.2 →