Decision Workspace
mcp-protocol-sdk vs turbomcp-protocol vs mcp-kit
Side-by-side comparison of Rust crates
43
mcp-protocol-sdk
experimentalv0.5.1
Production-ready Rust SDK for the Model Context Protocol (MCP) with multiple transport support
67
turbomcp-protocol
growingv3.0.10
Complete MCP protocol implementation with types, traits, context management, and message handling
52
mcp-kit
experimentalv0.4.0
Ergonomic, type-safe Rust library for building MCP servers with plugin system and real API integrations
Core Metrics
| mcp-protocol-sdk | turbomcp-protocol | mcp-kit | |
|---|---|---|---|
| Health Score | 43 | 67 | 52 |
| Total Downloads | 6.1K | 15.5K | 137 |
| 30d Downloads | 490 | 2.8K | 137 |
| Dependents | 1 | 652 | 3 |
| Releases | 10 | 69 | 9 |
| Last Updated | 236d ago | 1d ago | 10d ago |
| Age | 9m | 7m | 15d |
Health Breakdown
mcp-protocol-sdk
Maintenance
10
Quality
6
Community
7
Popularity
5
Documentation
15
turbomcp-protocol
Maintenance
19
Quality
17
Community
14
Popularity
5
Documentation
12
mcp-kit
Maintenance
16
Quality
13
Community
8
Popularity
3
Documentation
12
Technical Details
| mcp-protocol-sdk | turbomcp-protocol | mcp-kit | |
|---|---|---|---|
| Version | 0.5.1 | 3.0.10 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 26 | 40 | 35 |
| Crate Size | 181KB | 205KB | 158KB |
| Features | 6 | 16 | 17 |
| Yanked % | 40.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 1.89.0 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •turbomcp-protocol leads with a health score of 67/100, but none of the options score above 80.
- •turbomcp-protocol is depended on by 652 crates — strongest ecosystem trust.
- •mcp-protocol-sdk, mcp-kit are pre-1.0 — API may change.