Decision Workspace
post-cortex-mcp vs adk-tool vs brainos-core
Side-by-side comparison of Rust crates
49
post-cortex-mcp
experimentalv0.3.1
Model Context Protocol (MCP) tool definitions for post-cortex. Pure library — embed in rmcp, custom MCP servers, or anywhere else; no rmcp / axum / tonic transport dependencies.
65
adk-tool
growingv1.0.0
Tool system for Rust Agent Development Kit (ADK-Rust) agents (FunctionTool, MCP, Google Search)
61
brainos-core
experimentalv0.5.0
Configuration and bootstrapping for Brain OS cognitive engine
Core Metrics
| post-cortex-mcp | adk-tool | brainos-core | |
|---|---|---|---|
| Health Score | 49 | 65 | 61 |
| Total Downloads | 82 | 11.9K | 875 |
| 30d Downloads | 0 | 1.1K | 0 |
| Dependents | 4 | 84 | 54 |
| Releases | 2 | 27 | 4 |
| Last Updated | 57d ago | 36d ago | 33d ago |
| Age | 1m | 7m | 3m |
Health Breakdown
post-cortex-mcp
Maintenance
11
Quality
13
Community
8
Popularity
2
Documentation
15
adk-tool
Maintenance
18
Quality
16
Community
11
Popularity
5
Documentation
15
brainos-core
Maintenance
22
Quality
12
Community
11
Popularity
4
Documentation
12
Technical Details
| post-cortex-mcp | adk-tool | brainos-core | |
|---|---|---|---|
| Version | 0.3.1 | 1.0.0 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 19 | 26 | 9 |
| Crate Size | 57KB | 131KB | 41KB |
| Features | 3 | 11 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.90 | 1.94.0 | 1.91 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •adk-tool leads with a health score of 65/100, but none of the options score above 80.
- •post-cortex-mcp, brainos-core are pre-1.0 — API may change.