Decision Workspace
mcp-relay vs mcp-gateway vs lazy-mcp
Side-by-side comparison of Rust crates
44
mcp-relay
experimentalv1.0.0
A lightweight MCP stdio-to-HTTP relay in Rust
51
mcp-gateway
experimentalv2.9.1
Universal MCP Gateway - Single-port multiplexing with Meta-MCP for ~95% context token savings
48
lazy-mcp
experimentalv2.2.5
MCP proxy that lazy-loads servers and exposes them as four meta-tools
Core Metrics
| mcp-relay | mcp-gateway | lazy-mcp | |
|---|---|---|---|
| Health Score | 44 | 51 | 48 |
| Total Downloads | 12 | 155 | 35 |
| 30d Downloads | 12 | 111 | 35 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 11 | 3 |
| Last Updated | 3d ago | 3d ago | 1d ago |
| Age | 3d | 1m | 8d |
Health Breakdown
mcp-relay
Maintenance
13
Quality
15
Community
5
Popularity
1
Documentation
10
mcp-gateway
Maintenance
13
Quality
14
Community
6
Popularity
3
Documentation
15
lazy-mcp
Maintenance
14
Quality
17
Community
5
Popularity
2
Documentation
10
Technical Details
| mcp-relay | mcp-gateway | lazy-mcp | |
|---|---|---|---|
| Version | 1.0.0 | 2.9.1 | 2.2.5 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | MIT | MIT |
| Dependencies | 4 | 57 | 0 |
| Crate Size | 15KB | 3.8MB | 12KB |
| Features | 0 | 10 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.88 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mcp-gateway leads with a health score of 51/100, but none of the options score above 80.