Decision Workspace
truthlens vs qwed vs pmcp
Side-by-side comparison of Rust crates
47
truthlens
experimentalv0.6.0
AI hallucination detector — formally verified trust scoring for LLM outputs
39
qwed
experimentalv1.0.0
Rust SDK for QWED Verification Protocol
71
pmcp
growingv2.8.1
High-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility
Core Metrics
| truthlens | qwed | pmcp | |
|---|---|---|---|
| Health Score | 47 | 39 | 71 |
| Total Downloads | 95 | 17 | 65.4K |
| 30d Downloads | 0 | 0 | 4.1K |
| Dependents | 0 | 0 | 830 |
| Releases | 7 | 1 | 67 |
| Last Updated | 59d ago | 145d ago | 8d ago |
| Age | 2m | 4m | 10m |
Health Breakdown
truthlens
Maintenance
11
Quality
15
Community
6
Popularity
2
Documentation
13
qwed
Maintenance
6
Quality
16
Community
6
Popularity
1
Documentation
10
pmcp
Maintenance
18
Quality
16
Community
16
Popularity
6
Documentation
15
Technical Details
| truthlens | qwed | pmcp | |
|---|---|---|---|
| Version | 0.6.0 | 1.0.0 | 2.8.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 6 | 6 | 76 |
| Crate Size | 36KB | 15KB | 1.0MB |
| Features | 2 | 0 | 28 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.91.0 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •pmcp leads with a health score of 71/100, but none of the options score above 80.
- •pmcp is depended on by 830 crates — strongest ecosystem trust.
- •truthlens is pre-1.0 — API may change.