Decision Workspace
recursive-agent vs motosan-agent-loop vs harness-core
Side-by-side comparison of Rust crates
47
recursive-agent
experimentalv0.1.0
A minimal, orthogonal, embeddable coding-agent kernel.
53
motosan-agent-loop
experimentalv0.22.2
Standalone ReAct agent loop — LlmClient + AgentLoop with no platform dependencies
53
harness-core
experimentalv0.1.0
Shared types and traits for @agent-sh/harness-* Rust tools: ToolError, PermissionPolicy, ReadOperations
Core Metrics
| recursive-agent | motosan-agent-loop | harness-core | |
|---|---|---|---|
| Health Score | 47 | 53 | 53 |
| Total Downloads | 10 | 1.1K | 2.8K |
| 30d Downloads | 0 | 0 | 2.7K |
| Dependents | 0 | 60 | 16 |
| Releases | 1 | 38 | 1 |
| Last Updated | 1d ago | 1d ago | 33d ago |
| Age | 1d | 2m | 1m |
Health Breakdown
recursive-agent
Maintenance
13
Quality
12
Community
6
Popularity
1
Documentation
15
motosan-agent-loop
Maintenance
13
Quality
12
Community
11
Popularity
4
Documentation
13
harness-core
Maintenance
11
Quality
14
Community
9
Popularity
4
Documentation
15
Technical Details
| recursive-agent | motosan-agent-loop | harness-core | |
|---|---|---|---|
| Version | 0.1.0 | 0.22.2 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 12 | 24 | 3 |
| Crate Size | 40KB | 298KB | 6KB |
| Features | 0 | 6 | 0 |
| Yanked % | 0.0% | 2.6% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.75 | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •motosan-agent-loop leads with a health score of 53/100, but none of the options score above 80.
- •harness-core has the most downloads (2.8K), suggesting wider adoption.