Registry › Compare › Hivemind vs Obsidian Second Brain

Hivemind vs Obsidian Second Brain

Obsidian Second Brain leads on trust: 63.9/100 (Grade C) against 55.0/100 (Grade C), a 8.9-point gap. Obsidian Second Brain leads on supply-chain integrity and maintenance.

C Hivemind 55.0

Hivemind turns your traces into reusable skills across agents

activeloopai/hivemind · #843 overall · #7 Needs review · coverage C (2/5)

Hivemind doesn't lead on any scored dimension in this pair.

C Obsidian Second Brain 63.9

Persistent memory for Claude Code, Codex and 6 other AI agents, stored as plain markdown in your Obsidian vault. New: Crew, one shared logbook so Claude Code, Codex, Cursor and Grok Bot know what each other did. 48 commands: semantic search, self-rewriting notes, key-less research, scheduled agents.

eugeniughelbur/obsidian-second-brain · #554 overall · #3 Needs review · coverage C (2/5)

Choose Obsidian Second Brain if supply-chain integrity and maintenance matter most.

+5.2Safety / Integrity: 66% of recent commits signed, against 19%
+3.0Maintenance: last push 2d ago, against 10d ago
+2.0Transparency: OSSF Scorecard 6.8 against 4.5
+1.2Adoption: 5.1k GitHub stars against 1.6k

Where they differ

6.6

Safety / IntegrityObsidian Second Brain +5.2

11.8

12.3

TransparencyObsidian Second Brain +2.0

14.3

16.9

MaintenanceObsidian Second Brain +3.0

19.9

7.7

AdoptionObsidian Second Brain +1.2

8.9

+0.7

Runtime calibrationHivemind +2.5

-1.8

1 dimension identical: Identity 10.8 · Full evidence table

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.

Full evidence

Signal	Hivemindactiveloopai/hivemind	Obsidian Second Braineugeniughelbur/obsidian-second-brain
HVTrust score	55.0	63.9
Evidence grade	C	C
Coverage grade	C	C
Overall rank	#843	#554
Rank in Needs review	#7	#3
GitHub stars	1.6k	5.1k
Last updated	10d ago	2d ago
Build provenance	No	No
OSSF Scorecard	4.5 / 10	6.8 / 10
License	Apache-2.0	MIT
Downloads	—	—
Trust dimensions (points earned)
Safety / integrity / 25	6.6	11.8
Identity & provenance / 18	10.8	10.8
Transparency / 17	12.3	14.3
Maintenance / 20	16.9	19.9
Adoption / 20	7.7	8.9
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	1 — Anthropic	6 — Anthropic, Google Gemini, OpenAI, …
Requires API keys	Yes	Yes
Plugin surface	plugins	plugins
Provenance drift	—	—

Open in the live compare tool → Hivemind profile Obsidian Second Brain profile More Needs review →

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 v4.4 →