Decision Workspace
kremis-core vs pmcp vs turbomcp
Side-by-side comparison of Rust crates
45
kremis-core
experimentalv0.18.1
Deterministic graph engine for grounded AI - every query returns fact, inference, or unknown. Never invents.
71
pmcp
growingv2.8.1
High-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility
69
turbomcp
growingv3.1.5
Rust SDK for Model Context Protocol (MCP) with zero-boilerplate macros and WASM support
Core Metrics
| kremis-core | pmcp | turbomcp | |
|---|---|---|---|
| Health Score | 45 | 71 | 69 |
| Total Downloads | 44 | 65.4K | 20.9K |
| 30d Downloads | 0 | 4.1K | 4.4K |
| Dependents | 0 | 830 | 92 |
| Releases | 3 | 67 | 79 |
| Last Updated | 16d ago | 8d ago | 6d ago |
| Age | 1m | 10m | 9m |
Health Breakdown
kremis-core
Maintenance
13
Quality
14
Community
6
Popularity
2
Documentation
10
pmcp
Maintenance
18
Quality
16
Community
16
Popularity
6
Documentation
15
turbomcp
Maintenance
19
Quality
19
Community
11
Popularity
5
Documentation
15
Technical Details
| kremis-core | pmcp | turbomcp | |
|---|---|---|---|
| Version | 0.18.1 | 2.8.1 | 3.1.5 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 8 | 76 | 25 |
| Crate Size | 69KB | 1.0MB | 76KB |
| Features | 2 | 28 | 17 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.91.0 | 1.89.0 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •pmcp leads with a health score of 71/100, but none of the options score above 80.
- •pmcp is depended on by 830 crates — strongest ecosystem trust.
- •kremis-core is pre-1.0 — API may change.