Decision Workspace
qhermes-a2a vs agent-uri vs okami
Side-by-side comparison of Rust crates
34
qhermes-a2a
experimentalv26.0.0
QHermes 26 — A2A identity and authorization layer (Agent Cards, credential chains, KEM session handshake)
39
agent-uri
experimentalv0.4.0
Parser and validator for agent:// URI scheme
37
okami
experimentalv0.2.0
Post-quantum cryptographic identity for AI agents
Core Metrics
| qhermes-a2a | agent-uri | okami | |
|---|---|---|---|
| Health Score | 34 | 39 | 37 |
| Total Downloads | 13 | 143 | 26 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 2 | 0 |
| Releases | 1 | 1 | 2 |
| Last Updated | 68d ago | 110d ago | 28d ago |
| Age | 2m | 3m | 1m |
Health Breakdown
qhermes-a2a
Maintenance
9
Quality
10
Community
6
Popularity
1
Documentation
8
agent-uri
Maintenance
7
Quality
15
Community
7
Popularity
3
Documentation
7
okami
Maintenance
12
Quality
5
Community
6
Popularity
2
Documentation
12
Technical Details
| qhermes-a2a | agent-uri | okami | |
|---|---|---|---|
| Version | 26.0.0 | 0.4.0 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | LicenseRef-Copertino-1.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 6 | 17 |
| Crate Size | 12KB | 48KB | 64KB |
| Features | 0 | 3 | 0 |
| Yanked % | 100.0% | 0.0% | 50.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •agent-uri leads with a health score of 39/100, but none of the options score above 80.
- •agent-uri, okami are pre-1.0 — API may change.