Decision Workspace
z3tracer vs smtkit vs z39-solver
Side-by-side comparison of Rust crates
41
z3tracer
growingv0.11.2
Parser for Z3 tracing logs
47
smtkit
experimentalv0.1.1
Facade crate for SMT constraint IR + SMT-LIB backends
45
z39-solver
experimentalv1.0.1
Z3-powered reasoning for AI agents. MCP server + CLI for scheduling, logic, config, and safety.
Core Metrics
| z3tracer | smtkit | z39-solver | |
|---|---|---|---|
| Health Score | 41 | 47 | 45 |
| Total Downloads | 687.9K | 91 | 26 |
| 30d Downloads | 33.7K | 0 | 0 |
| Dependents | 8 | 0 | 0 |
| Releases | 15 | 2 | 2 |
| Last Updated | 1729d ago | 78d ago | 31d ago |
| Age | 5y 2m | 3m | 1m |
Health Breakdown
z3tracer
Maintenance
4
Quality
10
Community
8
Popularity
7
Documentation
12
smtkit
Maintenance
13
Quality
16
Community
3
Popularity
2
Documentation
13
z39-solver
Maintenance
12
Quality
15
Community
6
Popularity
2
Documentation
10
Technical Details
| z3tracer | smtkit | z39-solver | |
|---|---|---|---|
| Version | 0.11.2 | 0.1.1 | 1.0.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 8 | 5 | 13 |
| Crate Size | 6.8MB | 24KB | 39KB |
| Features | 1 | 6 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •smtkit leads with a health score of 47/100, but none of the options score above 80.
- •z3tracer has the most downloads (687.9K), suggesting wider adoption.
- •⚠ z3tracer has not been updated in over a year.
- •z3tracer, smtkit are pre-1.0 — API may change.