Decision Workspace
mcp-plugin-api vs turbomcp-auth vs helmet-core
Side-by-side comparison of Rust crates
46
mcp-plugin-api
experimentalv0.4.0
A secure, high-performance API for building MCP plugins in Rust.
66
turbomcp-auth
experimentalv3.0.10
OAuth 2.1 and authentication for TurboMCP with MCP protocol compliance
59
helmet-core
stablev1.0.0
HTTP security headers middleware core for various web frameworks
Core Metrics
| mcp-plugin-api | turbomcp-auth | helmet-core | |
|---|---|---|---|
| Health Score | 46 | 66 | 59 |
| Total Downloads | 114 | 3.2K | 34.5K |
| 30d Downloads | 68 | 395 | 4.0K |
| Dependents | 0 | 133 | 46 |
| Releases | 4 | 46 | 4 |
| Last Updated | 2d ago | 1d ago | 23d ago |
| Age | 1m | 5m | 2y 2m |
Health Breakdown
mcp-plugin-api
Maintenance
14
Quality
14
Community
6
Popularity
2
Documentation
10
turbomcp-auth
Maintenance
19
Quality
16
Community
12
Popularity
4
Documentation
15
helmet-core
Maintenance
16
Quality
17
Community
11
Popularity
5
Documentation
10
Technical Details
| mcp-plugin-api | turbomcp-auth | helmet-core | |
|---|---|---|---|
| Version | 0.4.0 | 3.0.10 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 3 | 33 | 0 |
| Crate Size | 16KB | 158KB | 12KB |
| Features | 0 | 18 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.89.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •turbomcp-auth leads with a health score of 66/100, but none of the options score above 80.
- •helmet-core has the most downloads (34.5K), suggesting wider adoption.
- •turbomcp-auth is depended on by 133 crates — strongest ecosystem trust.
- •mcp-plugin-api is pre-1.0 — API may change.