Decision Workspace
koi-serve vs turbomcp-transport vs launchdarkly-sdk-transport
Side-by-side comparison of Rust crates
51
koi-serve
experimentalv0.9.0
Serving layer for Koi: the transport adapters (HTTP router, IPC/stdio NDJSON, in-process MCP, mTLS, ACME, Prometheus SD, dashboard wiring) and the trust-plane presence supervisor that expose composed cores over the network
63
turbomcp-transport
growingv3.1.5
Multi-protocol transport layer supporting HTTP, WebSocket, STDIO, and TCP for MCP communications
63
launchdarkly-sdk-transport
experimentalv0.1.4
Generic transport trait and optional implementations for use across LaunchDarkly Rust libraries
Core Metrics
| koi-serve | turbomcp-transport | launchdarkly-sdk-transport | |
|---|---|---|---|
| Health Score | 51 | 63 | 63 |
| Total Downloads | 134 | 30.0K | 127.7K |
| 30d Downloads | 0 | 2.5K | 30.6K |
| Dependents | 10 | 415 | 124 |
| Releases | 5 | 79 | 6 |
| Last Updated | 19d ago | 55d ago | 19d ago |
| Age | 21d | 10m | 5m |
Health Breakdown
koi-serve
Maintenance
18
Quality
10
Community
8
Popularity
3
Documentation
12
turbomcp-transport
Maintenance
16
Quality
17
Community
13
Popularity
5
Documentation
12
launchdarkly-sdk-transport
Maintenance
21
Quality
15
Community
9
Popularity
6
Documentation
12
Technical Details
| koi-serve | turbomcp-transport | launchdarkly-sdk-transport | |
|---|---|---|---|
| Version | 0.9.0 | 3.1.5 | 0.1.4 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | MIT | Apache-2.0 |
| Dependencies | 35 | 45 | 15 |
| Crate Size | 70KB | 142KB | 27KB |
| Features | 0 | 13 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.92 | 1.89.0 | 1.94.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •turbomcp-transport leads with a health score of 63/100, but none of the options score above 80.
- •launchdarkly-sdk-transport has the most downloads (127.7K), suggesting wider adoption.
- •turbomcp-transport is depended on by 415 crates — strongest ecosystem trust.
- •koi-serve, launchdarkly-sdk-transport are pre-1.0 — API may change.