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 — 62.8/100 (Grade C) vs 61.0/100 (Grade C), a 1.8-point gap. Full breakdown below.
| Signal | Multicamultica-ai/multica | Open Multi-Agentopen-multi-agent/open-multi-agent |
|---|---|---|
| HVTrust score | 62.8 | 61.0 |
| Evidence grade | C | C |
| Coverage grade | C | C |
| Overall rank | #183 | #209 |
| Rank in Multi-Agent Systems | #5 | #8 |
| GitHub stars | 43.9k | 6.7k |
| Last updated | today | 1d ago |
| Build provenance | No | No |
| OSSF Scorecard | 4.5 / 10 | 5.3 / 10 |
| License | NOASSERTION | MIT |
| Downloads | — | — |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 10.6 | 11.5 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.3 | 13.0 |
| Maintenance / 20 | 20.0 | 19.9 |
| Adoption / 20 | 11.1 | 9.2 |
| Runtime capability surface (full matrix) | ||
| MCP server | — | Declared |
| External providers | 2 — Google Gemini, Postgres | 4 — Amazon Bedrock, Anthropic, Google Gemini, … |
| Requires API keys | No | Yes |
| Plugin surface | extensions | 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 →