Decision Workspace
scp-mcp vs mcp-attr vs mcprotocol-rs
Side-by-side comparison of Rust crates
41
scp-mcp
experimentalv0.1.0-beta.1
MCP (Model Context Protocol) adapter for SCP — JSON-RPC 2.0 types and context namespace mapping
51
mcp-attr
growingv0.0.7
A library for declaratively building Model Context Protocol servers.
49
mcprotocol-rs
growingv0.1.5
A Rust implementation of the Model Context Protocol (MCP)
Core Metrics
| scp-mcp | mcp-attr | mcprotocol-rs | |
|---|---|---|---|
| Health Score | 41 | 51 | 49 |
| Total Downloads | 13 | 6.4K | 3.8K |
| 30d Downloads | 13 | 122 | 8 |
| Dependents | 0 | 19 | 0 |
| Releases | 1 | 7 | 6 |
| Last Updated | 15d ago | 302d ago | 378d ago |
| Age | 15d | 1y | 1y |
Health Breakdown
scp-mcp
Maintenance
12
Quality
12
Community
6
Popularity
1
Documentation
10
mcp-attr
Maintenance
9
Quality
12
Community
10
Popularity
5
Documentation
15
mcprotocol-rs
Maintenance
13
Quality
13
Community
6
Popularity
4
Documentation
13
Technical Details
| scp-mcp | mcp-attr | mcprotocol-rs | |
|---|---|---|---|
| Version | 0.1.0-beta.1 | 0.0.7 | 0.1.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 13 | 20 | 12 |
| Crate Size | 65KB | 87KB | 38KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.85.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mcp-attr leads with a health score of 51/100, but none of the options score above 80.
- •⚠ mcprotocol-rs has not been updated in over a year.