Decision Workspace
vexil-lang vs vexilc vs fastmcp-protocol
Side-by-side comparison of Rust crates
54
vexil-lang
experimentalv0.4.3
Compiler library for the Vexil schema definition language — lexer, parser, IR, and type checker
49
vexilc
experimentalv0.5.1
The Vexil schema compiler CLI
60
fastmcp-protocol
experimentalv0.3.1
MCP protocol types and JSON-RPC implementation
Core Metrics
| vexil-lang | vexilc | fastmcp-protocol | |
|---|---|---|---|
| Health Score | 54 | 49 | 60 |
| Total Downloads | 341 | 160 | 1.6K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 33 | 0 | 30 |
| Releases | 9 | 9 | 5 |
| Last Updated | 58d ago | 58d ago | 11d ago |
| Age | 2m | 2m | 3m |
Health Breakdown
vexil-lang
Maintenance
16
Quality
13
Community
10
Popularity
3
Documentation
12
vexilc
Maintenance
16
Quality
12
Community
6
Popularity
3
Documentation
12
fastmcp-protocol
Maintenance
18
Quality
13
Community
10
Popularity
4
Documentation
15
Technical Details
| vexil-lang | vexilc | fastmcp-protocol | |
|---|---|---|---|
| Version | 0.4.3 | 0.5.1 | 0.3.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 4 | 11 | 5 |
| Crate Size | 69KB | 17KB | 52KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.94 | 1.94 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastmcp-protocol leads with a health score of 60/100, but none of the options score above 80.