Decision Workspace
anthropic-async vs claude-client vs kimetsu-agent
Side-by-side comparison of Rust crates
55
anthropic-async
experimentalv0.5.2
Anthropic API client for Rust with prompt caching support
45
claude-client
growingv0.3.1
A Rust client for the Anthropic Claude API
58
kimetsu-agent
experimentalv0.5.5
Transport-neutral agent runtime for kimetsu: tools, prompts, verify-loop, providers (claude_code, anthropic).
Core Metrics
| anthropic-async | claude-client | kimetsu-agent | |
|---|---|---|---|
| Health Score | 55 | 45 | 58 |
| Total Downloads | 2.3K | 1.6K | 157 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 27 | 0 | 14 |
| Releases | 8 | 2 | 7 |
| Last Updated | 60d ago | 454d ago | 1d ago |
| Age | 5m | 1y 2m | 2d |
Health Breakdown
anthropic-async
Maintenance
19
Quality
13
Community
9
Popularity
4
Documentation
10
claude-client
Maintenance
6
Quality
14
Community
6
Popularity
4
Documentation
15
kimetsu-agent
Maintenance
19
Quality
13
Community
8
Popularity
3
Documentation
15
Technical Details
| anthropic-async | claude-client | kimetsu-agent | |
|---|---|---|---|
| Version | 0.5.2 | 0.3.1 | 0.5.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 22 | 5 | 10 |
| Crate Size | 78KB | 15KB | 149KB |
| Features | 3 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.75.0 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •kimetsu-agent leads with a health score of 58/100, but none of the options score above 80.
- •anthropic-async has the most downloads (2.3K), suggesting wider adoption.
- •⚠ claude-client has not been updated in over a year.