Decision Workspace
pulse-null vs echo-system vs claude-sdk
Side-by-side comparison of Rust crates
45
pulse-null
experimentalv0.22.0
One binary. One command. Your own AI entity.
37
echo-system
experimentalv0.1.0
One binary. One command. Your own AI entity.
63
claude-sdk
growingv2.1.0
Native Rust SDK for the Claude API with streaming support and tool execution
Core Metrics
| pulse-null | echo-system | claude-sdk | |
|---|---|---|---|
| Health Score | 45 | 37 | 63 |
| Total Downloads | 52 | 24 | 1.6K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 8 |
| Releases | 3 | 1 | 6 |
| Last Updated | 104d ago | 134d ago | 20d ago |
| Age | 3m | 4m | 7m |
Health Breakdown
pulse-null
Maintenance
14
Quality
12
Community
5
Popularity
2
Documentation
12
echo-system
Maintenance
7
Quality
11
Community
5
Popularity
2
Documentation
12
claude-sdk
Maintenance
18
Quality
17
Community
9
Popularity
4
Documentation
15
Technical Details
| pulse-null | echo-system | claude-sdk | |
|---|---|---|---|
| Version | 0.22.0 | 0.1.0 | 2.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | AGPL-3.0-only | AGPL-3.0-only | MIT |
| Dependencies | 34 | 19 | 21 |
| Crate Size | 330KB | 60KB | 121KB |
| Features | 5 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.80 | 1.80 | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •claude-sdk leads with a health score of 63/100, but none of the options score above 80.
- •pulse-null, echo-system are pre-1.0 — API may change.