Decision Workspace
mcp-methods vs rig-mcp vs adk-tool
Side-by-side comparison of Rust crates
52
mcp-methods
experimentalv0.3.39
Reusable utility methods for MCP servers — pure-Rust library
47
rig-mcp
experimentalv0.1.4
Model Context Protocol bridge for rig-compose tool registries. Wraps the official `rmcp` SDK with rig-compose's transport-agnostic Tool surface.
63
adk-tool
experimentalv0.9.1
Tool system for Rust Agent Development Kit (ADK-Rust) agents (FunctionTool, MCP, Google Search)
Core Metrics
| mcp-methods | rig-mcp | adk-tool | |
|---|---|---|---|
| Health Score | 52 | 47 | 63 |
| Total Downloads | 248 | 127 | 5.8K |
| 30d Downloads | 0 | 0 | 2.0K |
| Dependents | 3 | 0 | 76 |
| Releases | 10 | 5 | 26 |
| Last Updated | 4d ago | 6d ago | 2d ago |
| Age | 13d | 21d | 5m |
Health Breakdown
mcp-methods
Maintenance
16
Quality
12
Community
8
Popularity
3
Documentation
13
rig-mcp
Maintenance
14
Quality
13
Community
5
Popularity
3
Documentation
12
adk-tool
Maintenance
20
Quality
13
Community
11
Popularity
4
Documentation
15
Technical Details
| mcp-methods | rig-mcp | adk-tool | |
|---|---|---|---|
| Version | 0.3.39 | 0.1.4 | 0.9.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 22 | 6 | 26 |
| Crate Size | 154KB | 33KB | 127KB |
| Features | 2 | 0 | 11 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.88 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •adk-tool leads with a health score of 63/100, but none of the options score above 80.