Open Multi-Agent vs Solace Agent Mesh
An independent, evidence-based trust comparison of Open Multi-Agent and Solace Agent Mesh, 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.
Solace Agent Mesh leads on trust — 79.9/100 (Grade B) vs 64.6/100 (Grade C), a 15.3-point gap. Full breakdown below.
| Signal | Open Multi-Agentopen-multi-agent/open-multi-agent | Solace Agent MeshSolaceLabs/solace-agent-mesh |
|---|---|---|
| HVTrust score | 64.6 | 79.9 |
| Evidence grade | C | B |
| Coverage grade | C | B |
| Overall rank | #236 | #71 |
| Rank in Multi-Agent Systems | #5 | #2 |
| GitHub stars | 6.8k | 5.0k |
| Last updated | 1d ago | 2d ago |
| Build provenance | No | Yes |
| OSSF Scorecard | 5.4 / 10 | 4.5 / 10 |
| License | MIT | Apache-2.0 |
| Downloads | — | 12k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 11.6 | 17.2 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 13.1 | 12.3 |
| Maintenance / 20 | 19.9 | 17.3 |
| Adoption / 20 | 9.2 | 14.3 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Declared |
| External providers | 3 — Anthropic, Google Gemini, OpenAI | 5 — Amazon Bedrock, Google Gemini, Multi-provider (LiteLLM), … |
| Requires API keys | Yes | No |
| Plugin surface | — | plugins |
| Provenance drift | — | Match |
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Open Multi-Agent profile
Solace Agent Mesh profile
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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 →