Hivemind vs Obsidian Second Brain
An independent, evidence-based trust comparison of Hivemind and Obsidian Second Brain, two Needs review projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Obsidian Second Brain leads on trust — 60.0/100 (Grade C) vs 57.1/100 (Grade C), a 2.9-point gap. Full breakdown below.
| Signal | Hivemindactiveloopai/hivemind | Obsidian Second Braineugeniughelbur/obsidian-second-brain |
|---|---|---|
| HVTrust score | 57.1 | 60.0 |
| Evidence grade | C | C |
| Coverage grade | C | C |
| Overall rank | #257 | #219 |
| Rank in Needs review | #6 | #2 |
| GitHub stars | 1.5k | 3.8k |
| Last updated | 5d ago | today |
| Build provenance | No | No |
| OSSF Scorecard | 4.4 / 10 | 6.0 / 10 |
| License | Apache-2.0 | MIT |
| Downloads | — | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 6.3 | 10.2 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.2 | 13.6 |
| Maintenance / 20 | 19.7 | 20.0 |
| Adoption / 20 | 7.6 | 8.6 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | — |
| External providers | 2 — Anthropic, OpenAI | 3 — Anthropic, Google Gemini, OpenAI |
| Requires API keys | No | Yes |
| Plugin surface | marketplace | plugins |
| Provenance drift | — | — |
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 →