Decision Workspace
stygian-mcp vs lazy-mcp vs mcp-rtk
Side-by-side comparison of Rust crates
44
stygian-mcp
experimentalv0.5.0
Unified MCP (Model Context Protocol) server aggregating stygian-graph, stygian-browser, and stygian-proxy.
48
lazy-mcp
experimentalv2.2.5
MCP proxy that lazy-loads servers and exposes them as four meta-tools
47
mcp-rtk
experimentalv1.4.0
Token-optimizing MCP proxy - sits between Claude and upstream MCP servers, compressing tool responses by 60-90%
Core Metrics
| stygian-mcp | lazy-mcp | mcp-rtk | |
|---|---|---|---|
| Health Score | 44 | 48 | 47 |
| Total Downloads | 12 | 35 | 102 |
| 30d Downloads | 12 | 35 | 102 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 3 | 5 |
| Last Updated | 3d ago | 1d ago | 14d ago |
| Age | 3d | 8d | 15d |
Health Breakdown
stygian-mcp
Maintenance
13
Quality
12
Community
6
Popularity
1
Documentation
12
lazy-mcp
Maintenance
14
Quality
17
Community
5
Popularity
2
Documentation
10
mcp-rtk
Maintenance
18
Quality
12
Community
5
Popularity
2
Documentation
10
Technical Details
| stygian-mcp | lazy-mcp | mcp-rtk | |
|---|---|---|---|
| Version | 0.5.0 | 2.2.5 | 1.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | AGPL-3.0-only OR LicenseRef-Commercial | MIT | MIT |
| Dependencies | 8 | 0 | 16 |
| Crate Size | 36KB | 12KB | 470KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.94.0 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lazy-mcp leads with a health score of 48/100, but none of the options score above 80.
- •mcp-rtk has the most downloads (102), suggesting wider adoption.
- •stygian-mcp is pre-1.0 — API may change.