Decision Workspace
mentisdb vs thoughtchain vs systemprompt-identifiers
Side-by-side comparison of Rust crates
48
mentisdb
experimentalv0.6.4
Semantic, hash-chained durable memory for long-running and multi-agent systems.
54
thoughtchain
experimentalv0.2.2
Semantic, hash-chained memory for long-running and multi-agent systems.
54
systemprompt-identifiers
experimentalv0.1.18
Core identifier types for systemprompt.io OS
Core Metrics
| mentisdb | thoughtchain | systemprompt-identifiers | |
|---|---|---|---|
| Health Score | 48 | 54 | 54 |
| Total Downloads | 177 | 67 | 1.5K |
| 30d Downloads | 177 | 67 | 493 |
| Dependents | 1 | 2 | 792 |
| Releases | 12 | 4 | 33 |
| Last Updated | 3d ago | 15d ago | today |
| Age | 15d | 16d | 2m |
Health Breakdown
mentisdb
Maintenance
14
Quality
11
Community
7
Popularity
3
Documentation
13
thoughtchain
Maintenance
18
Quality
14
Community
7
Popularity
2
Documentation
13
systemprompt-identifiers
Maintenance
13
Quality
15
Community
14
Popularity
4
Documentation
8
Technical Details
| mentisdb | thoughtchain | systemprompt-identifiers | |
|---|---|---|---|
| Version | 0.6.4 | 0.2.2 | 0.1.18 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | BUSL-1.1 |
| Dependencies | 29 | 14 | 7 |
| Crate Size | 267KB | 58KB | 32KB |
| Features | 3 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •thoughtchain leads with a health score of 54/100, but none of the options score above 80.
- •systemprompt-identifiers has the most downloads (1.5K), suggesting wider adoption.
- •systemprompt-identifiers is depended on by 792 crates — strongest ecosystem trust.