Decision Workspace
mcp-gateway vs mcp-shield vs arbit
Side-by-side comparison of Rust crates
58
mcp-gateway
experimentalv2.12.1
Universal MCP Gateway - Single-port multiplexing with Meta-MCP for ~95% context token savings
39
mcp-shield
experimentalv0.7.0
Security proxy for MCP (Model Context Protocol) — auth, rate limiting, payload filtering, and audit logging between AI agents and MCP servers
38
arbit
experimentalv0.18.0
Security proxy for MCP (Model Context Protocol) — auth, rate limiting, payload filtering, and audit logging between AI agents and MCP servers
Core Metrics
| mcp-gateway | mcp-shield | arbit | |
|---|---|---|---|
| Health Score | 58 | 39 | 38 |
| Total Downloads | 291 | 21 | 41 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 15 | 1 | 3 |
| Last Updated | today | 57d ago | 53d ago |
| Age | 3m | 1m | 1m |
Health Breakdown
mcp-gateway
Maintenance
19
Quality
15
Community
6
Popularity
3
Documentation
15
mcp-shield
Maintenance
10
Quality
11
Community
6
Popularity
2
Documentation
10
arbit
Maintenance
11
Quality
9
Community
6
Popularity
2
Documentation
10
Technical Details
| mcp-gateway | mcp-shield | arbit | |
|---|---|---|---|
| Version | 2.12.1 | 0.7.0 | 0.18.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 59 | 24 | 46 |
| Crate Size | 1.0MB | 81KB | 184KB |
| Features | 11 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.95 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mcp-gateway leads with a health score of 58/100, but none of the options score above 80.
- •mcp-shield, arbit are pre-1.0 — API may change.