Decision Workspace
mcp-discovery vs rust-mcp-schema vs rust-mcp-macros
Side-by-side comparison of Rust crates
48
mcp-discovery
experimentalv0.2.5
A command-line tool written in Rust for discovering and documenting MCP Server capabilities.
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
| mcp-discovery | rust-mcp-schema | rust-mcp-macros | |
|---|---|---|---|
| Health Score | 48 | 68 | 66 |
| Total Downloads | 4.3K | 296.6K | 79.1K |
| 30d Downloads | 20 | 46.8K | 13.6K |
| Dependents | 0 | 150 | 55 |
| Releases | 12 | 36 | 16 |
| Last Updated | 83d ago | 14d ago | 14d ago |
| Age | 11m | 1y 1m | 12m |
Health Breakdown
mcp-discovery
Maintenance
14
Quality
9
Community
6
Popularity
4
Documentation
15
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
| mcp-discovery | rust-mcp-schema | rust-mcp-macros | |
|---|---|---|---|
| Version | 0.2.5 | 0.10.0 | 0.9.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 17 | 3 | 6 |
| Crate Size | 1.8MB | 884KB | 36KB |
| Features | 0 | 8 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.80.0 | 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.