Decision Workspace
scp-core vs rust-mcp-schema vs rust-mcp-macros
Side-by-side comparison of Rust crates
42
scp-core
experimentalv0.1.0-beta.1
Core protocol implementation for SCP (Shared Context Protocol)
68
rust-mcp-schema
growingv0.10.0
Type-safe implementation of the Model Context Protocol in Rust, designed to reduce errors and accelerate development with powerful utilities.
66
rust-mcp-macros
experimentalv0.9.0
A procedural macro that derives the MCPToolSchema implementation for structs or enums, generating a tool_input_schema function used with rust_mcp_schema::Tool.
Core Metrics
| scp-core | rust-mcp-schema | rust-mcp-macros | |
|---|---|---|---|
| Health Score | 42 | 68 | 66 |
| Total Downloads | 42 | 296.6K | 79.1K |
| 30d Downloads | 42 | 45.5K | 13.2K |
| Dependents | 4 | 150 | 55 |
| Releases | 1 | 36 | 16 |
| Last Updated | 15d ago | 14d ago | 14d ago |
| Age | 15d | 1y 1m | 12m |
Health Breakdown
scp-core
Maintenance
12
Quality
10
Community
8
Popularity
2
Documentation
10
rust-mcp-schema
Maintenance
18
Quality
16
Community
12
Popularity
7
Documentation
15
rust-mcp-macros
Maintenance
19
Quality
15
Community
11
Popularity
6
Documentation
15
Technical Details
| scp-core | rust-mcp-schema | rust-mcp-macros | |
|---|---|---|---|
| Version | 0.1.0-beta.1 | 0.10.0 | 0.9.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 37 | 3 | 6 |
| Crate Size | 1.2MB | 884KB | 36KB |
| Features | 2 | 8 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.80.0 | 1.80.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rust-mcp-schema leads with a health score of 68/100, but none of the options score above 80.
- •rust-mcp-schema is depended on by 150 crates — strongest ecosystem trust.