RegistryCompare › Browser4 vs Obscura

Browser4 vs Obscura

An independent, evidence-based trust comparison of Browser4 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.

Browser4 leads on trust — 76.1/100 (Grade B) vs 67.5/100 (Grade B), a 8.6-point gap. Full breakdown below.
Signal Browser4platonai/Browser4 Obscurah4ckf0r0day/obscura
HVTrust score 76.1 67.5
Evidence grade B B
Coverage grade B C
Overall rank #130 #236
Rank in Browser & Computer Use #5 #8
GitHub stars 1.1k 24.1k
Last updated 1d ago 1d ago
Build provenance Yes No
OSSF Scorecard 4.5 / 10 6.2 / 10
License Apache-2.0 Apache-2.0
Downloads 987/wk
Trust dimensions (points earned)
Safety / integrity / 25 13.2 10.5
Identity & provenance / 18 18.0 10.8
Transparency / 17 12.3 13.8
Maintenance / 20 19.9 19.9
Adoption / 20 11.3 10.5
Runtime capability surface (full matrix)
MCP server Declared Implemented
External providers 3 — DeepSeek, OpenAI, OpenRouter
Requires API keys Yes No
Plugin surface extensions
Provenance drift Match
Open in the live compare tool → Browser4 profile Obscura profile More Browser & Computer Use →

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 →