Decision Workspace
mcp-a2a vs ggen-a2a-mcp vs a2a-rs-core
Side-by-side comparison of Rust crates
48
mcp-a2a
experimentalv1.2.0
A2A Remote Agent MCP server for ADK-Rust Enterprise — agent-card discovery, task management, streaming, and push notifications
48
ggen-a2a-mcp
experimentalv26.5.19
A2A protocol and MCP server for agent-to-agent communication
60
a2a-rs-core
experimentalv1.0.26
Core types for the A2A RC 1.0 agent-to-agent protocol
Core Metrics
| mcp-a2a | ggen-a2a-mcp | a2a-rs-core | |
|---|---|---|---|
| Health Score | 48 | 48 | 60 |
| Total Downloads | 36 | 18 | 1.7K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 1 | 54 |
| Releases | 3 | 1 | 27 |
| Last Updated | 1d ago | 5d ago | 37d ago |
| Age | 2d | 5d | 3m |
Health Breakdown
mcp-a2a
Maintenance
14
Quality
14
Community
6
Popularity
2
Documentation
12
ggen-a2a-mcp
Maintenance
13
Quality
16
Community
7
Popularity
2
Documentation
10
a2a-rs-core
Maintenance
17
Quality
16
Community
11
Popularity
4
Documentation
12
Technical Details
| mcp-a2a | ggen-a2a-mcp | a2a-rs-core | |
|---|---|---|---|
| Version | 1.2.0 | 26.5.19 | 1.0.26 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 15 | 10 | 4 |
| Crate Size | 43KB | 67KB | 20KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •a2a-rs-core leads with a health score of 60/100, but none of the options score above 80.