Decision Workspace
embacle-mcp vs tower-mcp vs ultrafast-mcp-core
Side-by-side comparison of Rust crates
47
embacle-mcp
experimentalv0.15.13
MCP server for embacle LLM runners — expose AI CLI tools via Model Context Protocol
62
tower-mcp
experimentalv0.10.1
Tower-native Model Context Protocol (MCP) implementation
56
ultrafast-mcp-core
growingv202506018.1.0
Core protocol implementation for UltraFast MCP
Core Metrics
| embacle-mcp | tower-mcp | ultrafast-mcp-core | |
|---|---|---|---|
| Health Score | 47 | 62 | 56 |
| Total Downloads | 461 | 8.7K | 13.9K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 15 | 63 | 26 |
| Releases | 27 | 29 | 5 |
| Last Updated | 6d ago | 10d ago | 316d ago |
| Age | 2m | 3m | 10m |
Health Breakdown
embacle-mcp
Maintenance
13
Quality
12
Community
9
Popularity
3
Documentation
10
tower-mcp
Maintenance
18
Quality
13
Community
11
Popularity
5
Documentation
15
ultrafast-mcp-core
Maintenance
11
Quality
17
Community
10
Popularity
5
Documentation
13
Technical Details
| embacle-mcp | tower-mcp | ultrafast-mcp-core | |
|---|---|---|---|
| Version | 0.15.13 | 0.10.1 | 202506018.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 9 | 34 | 17 |
| Crate Size | 19KB | 348KB | 93KB |
| Features | 0 | 16 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.90 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •tower-mcp leads with a health score of 62/100, but none of the options score above 80.
- •ultrafast-mcp-core has the most downloads (13.9K), suggesting wider adoption.
- •embacle-mcp, tower-mcp are pre-1.0 — API may change.