Decision Workspace
qhermes-a2a vs agent-uri vs qhermes-kernel
Side-by-side comparison of Rust crates
36
qhermes-a2a
experimentalv26.0.0
QHermes 26 — A2A identity and authorization layer (Agent Cards, credential chains, KEM session handshake)
41
agent-uri
experimentalv0.4.0
Parser and validator for agent:// URI scheme
37
qhermes-kernel
experimentalv26.0.0
QHermes 26 — post-quantum delegation chain primitives (ML-DSA-65, HKDF-SHA3-512)
Core Metrics
| qhermes-a2a | agent-uri | qhermes-kernel | |
|---|---|---|---|
| Health Score | 36 | 41 | 37 |
| Total Downloads | 12 | 69 | 15 |
| 30d Downloads | 12 | 32 | 15 |
| Dependents | 0 | 2 | 1 |
| Releases | 1 | 1 | 1 |
| Last Updated | 9d ago | 51d ago | 9d ago |
| Age | 9d | 1m | 9d |
Health Breakdown
qhermes-a2a
Maintenance
12
Quality
9
Community
6
Popularity
1
Documentation
8
agent-uri
Maintenance
10
Quality
15
Community
7
Popularity
2
Documentation
7
qhermes-kernel
Maintenance
12
Quality
9
Community
7
Popularity
1
Documentation
8
Technical Details
| qhermes-a2a | agent-uri | qhermes-kernel | |
|---|---|---|---|
| Version | 26.0.0 | 0.4.0 | 26.0.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | LicenseRef-Copertino-1.0 | MIT OR Apache-2.0 | LicenseRef-Copertino-1.0 |
| Dependencies | 4 | 6 | 5 |
| Crate Size | 12KB | 48KB | 18KB |
| Features | 0 | 3 | 0 |
| Yanked % | 100.0% | 0.0% | 100.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •agent-uri leads with a health score of 41/100, but none of the options score above 80.
- •agent-uri is pre-1.0 — API may change.