Decision Workspace
mcpkit-macros vs fastmcp-derive vs ultrafast-mcp-core
Side-by-side comparison of Rust crates
50
mcpkit-macros
experimentalv0.5.0
Procedural macros for mcpkit
59
fastmcp-derive
experimentalv0.3.1
Procedural macros for FastMCP (#[tool], #[resource], #[prompt])
56
ultrafast-mcp-core
growingv202506018.1.0
Core protocol implementation for UltraFast MCP
Core Metrics
| mcpkit-macros | fastmcp-derive | ultrafast-mcp-core | |
|---|---|---|---|
| Health Score | 50 | 59 | 56 |
| Total Downloads | 2.3K | 1.3K | 13.9K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 10 | 9 | 26 |
| Releases | 10 | 5 | 5 |
| Last Updated | 151d ago | 11d ago | 316d ago |
| Age | 5m | 3m | 10m |
Health Breakdown
mcpkit-macros
Maintenance
13
Quality
13
Community
8
Popularity
4
Documentation
12
fastmcp-derive
Maintenance
18
Quality
14
Community
8
Popularity
4
Documentation
15
ultrafast-mcp-core
Maintenance
11
Quality
17
Community
10
Popularity
5
Documentation
13
Technical Details
| mcpkit-macros | fastmcp-derive | ultrafast-mcp-core | |
|---|---|---|---|
| Version | 0.5.0 | 0.3.1 | 202506018.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 6 | 3 | 17 |
| Crate Size | 37KB | 21KB | 93KB |
| Features | 0 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.85 | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastmcp-derive leads with a health score of 59/100, but none of the options score above 80.
- •ultrafast-mcp-core has the most downloads (13.9K), suggesting wider adoption.
- •mcpkit-macros, fastmcp-derive are pre-1.0 — API may change.