Decision Workspace
cortexai-fastly vs vex-core vs prism-mcp-rs
Side-by-side comparison of Rust crates
46
cortexai-fastly
experimentalv0.1.0
Fastly Compute edge runtime for Cortex AI agents
60
vex-core
experimentalv1.6.0
Core types for VEX: Agent, ContextPacket, MerkleNode, Evolution
59
prism-mcp-rs
growingv2.0.0
Production-grade Rust SDK for Model Context Protocol (MCP) - Build AI agents, LLM integrations, and assistant tools with enterprise features
Core Metrics
| cortexai-fastly | vex-core | prism-mcp-rs | |
|---|---|---|---|
| Health Score | 46 | 60 | 59 |
| Total Downloads | 11 | 855 | 3.6K |
| 30d Downloads | 11 | 452 | 68 |
| Dependents | 0 | 161 | 0 |
| Releases | 1 | 18 | 12 |
| Last Updated | 6d ago | 6d ago | 30d ago |
| Age | 6d | 3m | 7m |
Health Breakdown
cortexai-fastly
Maintenance
13
Quality
13
Community
6
Popularity
1
Documentation
13
vex-core
Maintenance
19
Quality
15
Community
12
Popularity
4
Documentation
10
prism-mcp-rs
Maintenance
17
Quality
17
Community
6
Popularity
4
Documentation
15
Technical Details
| cortexai-fastly | vex-core | prism-mcp-rs | |
|---|---|---|---|
| Version | 0.1.0 | 1.6.0 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 5 | 22 | 63 |
| Crate Size | 9KB | 52KB | 433KB |
| Features | 0 | 3 | 16 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •vex-core leads with a health score of 60/100, but none of the options score above 80.
- •prism-mcp-rs has the most downloads (3.6K), suggesting wider adoption.
- •vex-core is depended on by 161 crates — strongest ecosystem trust.
- •cortexai-fastly is pre-1.0 — API may change.