Multica vs Open Multi-Agent
An independent, evidence-based trust comparison of Multica and Open Multi-Agent, two Multi-Agent Systems projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Multica leads on trust — 65.7/100 (Grade B) vs 61.8/100 (Grade C), a 3.9-point gap. Full breakdown below.
| Signal | Multicamultica-ai/multica | Open Multi-Agentopen-multi-agent/open-multi-agent |
|---|---|---|
| HVTrust score | 65.7 | 61.8 |
| Evidence grade | B | C |
| Coverage grade | C | C |
| Overall rank | #439 | #557 |
| Rank in Multi-Agent Systems | #7 | #12 |
| GitHub stars | 50.4k | 6.9k |
| Last updated | 1d ago | 1d ago |
| Build provenance | No | No |
| OSSF Scorecard | 5.0 / 10 | 5.5 / 10 |
| License | NOASSERTION | MIT |
| Downloads | — | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 11.2 | 11.6 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.8 | 13.2 |
| Maintenance / 20 | 19.9 | 19.0 |
| Adoption / 20 | 11.3 | 9.2 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | Declared |
| External providers | — | 3 — Anthropic, Google Gemini, OpenAI |
| Requires API keys | No | Yes |
| Plugin surface | 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 v4.3 →