Decision Workspace
siumai-registry vs turbomcp vs pmcp
Side-by-side comparison of Rust crates
48
siumai-registry
experimentalv0.11.0-beta.6
Registry and factories for siumai
69
turbomcp
growingv3.0.10
Rust SDK for Model Context Protocol (MCP) with zero-boilerplate macros and WASM support
68
pmcp
growingv2.0.2
High-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility
Core Metrics
| siumai-registry | turbomcp | pmcp | |
|---|---|---|---|
| Health Score | 48 | 69 | 68 |
| Total Downloads | 151 | 13.1K | 57.5K |
| 30d Downloads | 65 | 2.4K | 6.2K |
| Dependents | 2 | 59 | 762 |
| Releases | 2 | 69 | 60 |
| Last Updated | 2d ago | 1d ago | 3d ago |
| Age | 2m | 7m | 8m |
Health Breakdown
siumai-registry
Maintenance
14
Quality
13
Community
5
Popularity
3
Documentation
13
turbomcp
Maintenance
19
Quality
19
Community
11
Popularity
5
Documentation
15
pmcp
Maintenance
19
Quality
14
Community
14
Popularity
6
Documentation
15
Technical Details
| siumai-registry | turbomcp | pmcp | |
|---|---|---|---|
| Version | 0.11.0-beta.6 | 3.0.10 | 2.0.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 31 | 25 | 73 |
| Crate Size | 159KB | 74KB | 8.0MB |
| Features | 22 | 17 | 27 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.89.0 | 1.83.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •turbomcp leads with a health score of 69/100, but none of the options score above 80.
- •pmcp has the most downloads (57.5K), suggesting wider adoption.
- •pmcp is depended on by 762 crates — strongest ecosystem trust.
- •siumai-registry is pre-1.0 — API may change.