Agenta vs Arize Phoenix
An independent, evidence-based trust comparison of Agenta and Arize Phoenix, two Observability & Evaluation projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Arize Phoenix leads on trust — 76.2/100 (Grade B) vs 70.9/100 (Grade B), a 5.3-point gap. Full breakdown below.
| Signal | AgentaAgenta-AI/agenta | Arize PhoenixArize-AI/phoenix |
|---|---|---|
| HVTrust score | 70.9 | 76.2 |
| Evidence grade | B | B |
| Coverage grade | A | A |
| Overall rank | #100 | #70 |
| Rank in Observability & Evaluation | #7 | #4 |
| GitHub stars | 4.4k | 10.9k |
| Last updated | today | today |
| Build provenance | No | Yes |
| OSSF Scorecard | 6.7 / 10 | — |
| License | NOASSERTION | NOASSERTION |
| Downloads | 4k/wk | 481k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 9.9 | 12.3 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 14.2 | 8.5 |
| Maintenance / 20 | 20.0 | 20.0 |
| Adoption / 20 | 13.6 | 17.3 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | Implemented |
| External providers | 3 — OpenAI, Postgres, Redis | 8 — Amazon Bedrock, Anthropic, E2B, … |
| Requires API keys | No | No |
| Plugin surface | plugins | plugins |
| Provenance drift | Match | Partial |
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Agenta profile
Arize Phoenix 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 v4.2 →