Decision Workspace
lean-rs-abi vs lean-toolchain vs lean-rs-sys
Side-by-side comparison of Rust crates
54
lean-rs-abi
experimentalv0.3.0
Link-free Lean 4 ABI and toolchain metadata shared by lean-rs crates.
55
lean-toolchain
experimentalv0.3.0
Lean 4 toolchain discovery, fingerprinting, symbol allowlist, and build-script helpers reusable by downstream embedders' own build.rs scripts.
58
lean-rs-sys
experimentalv0.3.0
Raw FFI bindings for the Lean 4 C ABI. See `lean-rs` for the safe front door.
Core Metrics
| lean-rs-abi | lean-toolchain | lean-rs-sys | |
|---|---|---|---|
| Health Score | 54 | 55 | 58 |
| Total Downloads | 455 | 1.1K | 1.0K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 21 | 129 | 80 |
| Releases | 6 | 26 | 26 |
| Last Updated | 24d ago | 24d ago | 24d ago |
| Age | 1m | 1m | 1m |
Health Breakdown
lean-rs-abi
Maintenance
11
Quality
15
Community
10
Popularity
3
Documentation
15
lean-toolchain
Maintenance
12
Quality
12
Community
12
Popularity
4
Documentation
15
lean-rs-sys
Maintenance
12
Quality
16
Community
11
Popularity
4
Documentation
15
Technical Details
| lean-rs-abi | lean-toolchain | lean-rs-sys | |
|---|---|---|---|
| Version | 0.3.0 | 0.3.0 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 8 | 4 |
| Crate Size | 7KB | 63KB | 44KB |
| Features | 0 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.91 | 1.91 | 1.91 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lean-rs-sys leads with a health score of 58/100, but none of the options score above 80.
- •lean-toolchain has the most downloads (1.1K), suggesting wider adoption.
- •lean-toolchain is depended on by 129 crates — strongest ecosystem trust.