Agent Browser vs BrowserOS
An independent, evidence-based trust comparison of Agent Browser and BrowserOS, 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 Browser leads on trust — 87.0/100 (Grade A) vs 64.3/100 (Grade C), a 22.7-point gap. Full breakdown below.
| Signal | Agent Browservercel-labs/agent-browser | BrowserOSbrowseros-ai/BrowserOS |
|---|---|---|
| HVTrust score | 87.0 | 64.3 |
| Evidence grade | A | C |
| Coverage grade | B | C |
| Overall rank | #30 | #244 |
| Rank in Browser & Computer Use | #3 | #12 |
| GitHub stars | 40.5k | 13.2k |
| Last updated | 1d ago | today |
| Build provenance | Yes | No |
| OSSF Scorecard | 4.3 / 10 | 4.9 / 10 |
| License | Apache-2.0 | AGPL-3.0 |
| Downloads | 923k/wk | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 17.9 | 9.5 |
| Identity & provenance / 18 | 18.0 | 10.8 |
| Transparency / 17 | 12.2 | 12.7 |
| Maintenance / 20 | 18.0 | 20.0 |
| Adoption / 20 | 19.0 | 9.9 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 3 — Amazon Bedrock, Browserbase, Redis | 1 — Amazon Bedrock |
| Requires API keys | Yes | No |
| Plugin surface | plugins | extensions |
| Provenance drift | Match | — |
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Agent Browser profile
BrowserOS profile
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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 →