Decision Workspace
memory39 vs engram-cli-rs vs kiok
Side-by-side comparison of Rust crates
45
memory39
experimentalv1.0.3
Single-binary, single-file, local memory shared by every MCP client.
40
engram-cli-rs
experimentalv0.1.0
Command-line interface for Engram, the AI memory engine
38
kiok
experimentalv0.2.0
Experience-driven memory for AI agents
Core Metrics
| memory39 | engram-cli-rs | kiok | |
|---|---|---|---|
| Health Score | 45 | 40 | 38 |
| Total Downloads | 26 | 18 | 40 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 2 | 1 | 3 |
| Last Updated | 35d ago | 70d ago | 55d ago |
| Age | 1m | 2m | 1m |
Health Breakdown
memory39
Maintenance
12
Quality
15
Community
6
Popularity
2
Documentation
10
engram-cli-rs
Maintenance
9
Quality
14
Community
5
Popularity
2
Documentation
10
kiok
Maintenance
11
Quality
9
Community
6
Popularity
2
Documentation
10
Technical Details
| memory39 | engram-cli-rs | kiok | |
|---|---|---|---|
| Version | 1.0.3 | 0.1.0 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 11 | 14 | 7 |
| Crate Size | 50KB | 49KB | 27KB |
| Features | 0 | 4 | 2 |
| Yanked % | 0.0% | 0.0% | 66.7% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •memory39 leads with a health score of 45/100, but none of the options score above 80.
- •kiok has the most downloads (40), suggesting wider adoption.
- •engram-cli-rs, kiok are pre-1.0 — API may change.