Decision Workspace
thingd vs memory-agent vs engram-core
Side-by-side comparison of Rust crates
55
thingd
experimentalv0.50.4
Core primitives for thingd, an object-shaped local memory engine for apps and agents.
53
memory-agent
experimentalv0.3.0
Persistent memory system for AI coding agents
51
engram-core
experimentalv0.21.1
AI Memory Infrastructure - Persistent memory for AI agents with semantic search
Core Metrics
| thingd | memory-agent | engram-core | |
|---|---|---|---|
| Health Score | 55 | 53 | 51 |
| Total Downloads | 967 | 296 | 221 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 62 | 17 | 12 |
| Last Updated | today | 124d ago | 28d ago |
| Age | 22d | 4m | 5m |
Health Breakdown
thingd
Maintenance
19
Quality
14
Community
6
Popularity
4
Documentation
12
memory-agent
Maintenance
19
Quality
13
Community
6
Popularity
3
Documentation
12
engram-core
Maintenance
17
Quality
12
Community
6
Popularity
3
Documentation
13
Technical Details
| thingd | memory-agent | engram-core | |
|---|---|---|---|
| Version | 0.50.4 | 0.3.0 | 0.21.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 9 | 21 | 63 |
| Crate Size | 62KB | 88KB | 1.2MB |
| Features | 3 | 3 | 30 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.96 | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •thingd leads with a health score of 55/100, but none of the options score above 80.