An independent, evidence-based trust comparison of Bifrost and Headroom, two LLM Gateways & Infra projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
| Signal | Bifrostmaximhq/bifrost | Headroomchopratejas/headroom |
|---|---|---|
| HVTrust score | 88.1 | 87.3 |
| Evidence grade | A | A |
| Coverage grade | B | B |
| Overall rank | #16 | #20 |
| Rank in LLM Gateways & Infra | #1 | #2 |
| GitHub stars | 6.5k | 59.2k |
| Last updated | 1d ago | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 7.1 / 10 | 5.0 / 10 |
| License | Apache-2.0 | Apache-2.0 |
| Downloads | 2k/wk | 208k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 20.5 | 18.6 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 14.5 | 12.8 |
| Maintenance / 20 | 19.9 | 20.0 |
| Adoption / 20 | 13.6 | 18.5 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | Implemented |
| External providers | 2 — Anthropic, OpenAI | 4 — Amazon Bedrock, Anthropic, OpenAI, … |
| Requires API keys | No | No |
| Plugin surface | plugins | extensions |
| Provenance drift | Match | Partial |
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 →