Decision Workspace
lean-host-mcp-worker vs lean-host-mcp vs lean-rs-sys
Side-by-side comparison of Rust crates
45
lean-host-mcp-worker
experimentalv0.5.0
Worker-child binary for lean-host-mcp (links libleanshared; spawned by the parent)
40
lean-host-mcp
experimentalv0.5.0
MCP server hosting Lean 4 via a supervised lean-rs-worker child
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-host-mcp-worker | lean-host-mcp | lean-rs-sys | |
|---|---|---|---|
| Health Score | 45 | 40 | 58 |
| Total Downloads | 96 | 96 | 1.0K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 80 |
| Releases | 6 | 6 | 26 |
| Last Updated | 24d ago | 24d ago | 24d ago |
| Age | 1m | 1m | 1m |
Health Breakdown
lean-host-mcp-worker
Maintenance
12
Quality
14
Community
5
Popularity
2
Documentation
12
lean-host-mcp
Maintenance
12
Quality
9
Community
5
Popularity
2
Documentation
12
lean-rs-sys
Maintenance
12
Quality
16
Community
11
Popularity
4
Documentation
15
Technical Details
| lean-host-mcp-worker | lean-host-mcp | lean-rs-sys | |
|---|---|---|---|
| Version | 0.5.0 | 0.5.0 | 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 | 1 | 32 | 4 |
| Crate Size | 6KB | 243KB | 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.