Decision Workspace
exempi vs molar_molfile vs universal-tool-core
Side-by-side comparison of Rust crates
39
exempi
growingv2.5.1
Deprecated Safe Rust bindings to Exempi 2.4.
59
molar_molfile
growingv0.9.1
DEPRECATED: VMD molfile FFI bindings (DCD, PDB, XYZ) formerly used by molar. Replaced by native Rust IO in molar >=1.2.0.
59
universal-tool-core
experimentalv0.2.8
DEPRECATED: Use agentic-tools-* crates and agentic-mcp instead. Core runtime library for Universal Tool Framework.
Core Metrics
| exempi | molar_molfile | universal-tool-core | |
|---|---|---|---|
| Health Score | 39 | 59 | 59 |
| Total Downloads | 13.2K | 8.7K | 3.0K |
| 30d Downloads | 12 | 75 | 76 |
| Dependents | 0 | 25 | 61 |
| Releases | 8 | 9 | 12 |
| Last Updated | 1573d ago | 20d ago | 1d ago |
| Age | 10y | 2y 6m | 7m |
Health Breakdown
exempi
Maintenance
4
Quality
20
Community
2
Popularity
5
Documentation
8
molar_molfile
Maintenance
18
Quality
15
Community
10
Popularity
5
Documentation
11
universal-tool-core
Maintenance
20
Quality
14
Community
11
Popularity
4
Documentation
10
Technical Details
| exempi | molar_molfile | universal-tool-core | |
|---|---|---|---|
| Version | 2.5.1 | 0.9.1 | 0.2.8 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | BSD-2-Clause | Artistic-2.0 | MIT |
| Dependencies | 3 | 1 | 25 |
| Crate Size | 11KB | 61KB | 28KB |
| Features | 0 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •molar_molfile leads with a health score of 59/100, but none of the options score above 80.
- •exempi has the most downloads (13.2K), suggesting wider adoption.
- •⚠ exempi has not been updated in over a year.
- •molar_molfile, universal-tool-core are pre-1.0 — API may change.