Decision Workspace
async-mcp vs fastmcp-client vs fastmcp-rust
Side-by-side comparison of Rust crates
45
async-mcp
growingv0.1.3
Async Implementation of Model Context Protocol (MCP)
49
fastmcp-client
experimentalv0.2.0
MCP client implementation for FastMCP
48
fastmcp-rust
experimentalv0.2.0
Fast, cancel-correct MCP framework for Rust
Core Metrics
| async-mcp | fastmcp-client | fastmcp-rust | |
|---|---|---|---|
| Health Score | 45 | 49 | 48 |
| Total Downloads | 11.5K | 339 | 261 |
| 30d Downloads | 262 | 243 | 199 |
| Dependents | 20 | 6 | 0 |
| Releases | 13 | 2 | 2 |
| Last Updated | 232d ago | 40d ago | 40d ago |
| Age | 1y 1m | 1m | 1m |
Health Breakdown
async-mcp
Maintenance
10
Quality
7
Community
10
Popularity
5
Documentation
13
fastmcp-client
Maintenance
12
Quality
12
Community
7
Popularity
3
Documentation
15
fastmcp-rust
Maintenance
12
Quality
12
Community
6
Popularity
3
Documentation
15
Technical Details
| async-mcp | fastmcp-client | fastmcp-rust | |
|---|---|---|---|
| Version | 0.1.3 | 0.2.0 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 16 | 9 | 11 |
| Crate Size | 45KB | 38KB | 117KB |
| Features | 0 | 0 | 1 |
| Yanked % | 23.1% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastmcp-client leads with a health score of 49/100, but none of the options score above 80.
- •async-mcp has the most downloads (11.5K), suggesting wider adoption.