Decision Workspace
ranvier-guard vs reinhardt-middleware vs pulseengine-mcp-security
Side-by-side comparison of Rust crates
47
ranvier-guard
experimentalv0.44.0
Guard nodes for Ranvier — HTTP security/policy Transitions replacing Tower middleware
62
reinhardt-middleware
experimentalv0.1.2
Middleware system for request/response processing pipeline
61
pulseengine-mcp-security
experimentalv0.17.1
[DEPRECATED] Use pulseengine-security instead. MCP security validation.
Core Metrics
| ranvier-guard | reinhardt-middleware | pulseengine-mcp-security | |
|---|---|---|---|
| Health Score | 47 | 62 | 61 |
| Total Downloads | 475 | 7.2K | 11.5K |
| 30d Downloads | 0 | 2.2K | 0 |
| Dependents | 38 | 280 | 26 |
| Releases | 22 | 50 | 27 |
| Last Updated | 40d ago | today | 57d ago |
| Age | 3m | 4m | 11m |
Health Breakdown
ranvier-guard
Maintenance
17
Quality
8
Community
7
Popularity
3
Documentation
12
reinhardt-middleware
Maintenance
19
Quality
10
Community
13
Popularity
5
Documentation
15
pulseengine-mcp-security
Maintenance
16
Quality
15
Community
10
Popularity
5
Documentation
15
Technical Details
| ranvier-guard | reinhardt-middleware | pulseengine-mcp-security | |
|---|---|---|---|
| Version | 0.44.0 | 0.1.2 | 0.17.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | BSD-3-Clause | MIT OR Apache-2.0 |
| Dependencies | 10 | 38 | 0 |
| Crate Size | 33KB | 225KB | 10KB |
| Features | 3 | 11 | 0 |
| Yanked % | 54.5% | 6.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.93.0 | 1.94.0 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •reinhardt-middleware leads with a health score of 62/100, but none of the options score above 80.
- •pulseengine-mcp-security has the most downloads (11.5K), suggesting wider adoption.
- •reinhardt-middleware is depended on by 280 crates — strongest ecosystem trust.