Decision Workspace
vibetracer vs ferroscope vs marser-trace-viewer
Side-by-side comparison of Rust crates
43
vibetracer
experimentalv0.6.2
Real-time tracing, replaying, and rewinding of AI coding assistant edits. MCP server for AI self-correction. Cross-agent support (Claude Code, Cursor, Codex). Export to Agent Trace JSON and git-ai git notes.
54
ferroscope
growingv1.1.0
MCP server that enables AI assistants to debug Rust programs using LLDB and GDB
48
marser-trace-viewer
experimentalv0.1.0
Terminal UI for inspecting marser JSON/JSONL parser traces.
Core Metrics
| vibetracer | ferroscope | marser-trace-viewer | |
|---|---|---|---|
| Health Score | 43 | 54 | 48 |
| Total Downloads | 167 | 2.1K | 13 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 8 | 5 | 1 |
| Last Updated | 58d ago | 309d ago | 6d ago |
| Age | 2m | 10m | 6d |
Health Breakdown
vibetracer
Maintenance
14
Quality
10
Community
6
Popularity
3
Documentation
10
ferroscope
Maintenance
14
Quality
17
Community
6
Popularity
4
Documentation
13
marser-trace-viewer
Maintenance
13
Quality
14
Community
5
Popularity
1
Documentation
15
Technical Details
| vibetracer | ferroscope | marser-trace-viewer | |
|---|---|---|---|
| Version | 0.6.2 | 1.1.0 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 23 | 4 | 3 |
| Crate Size | 186KB | 27KB | 17KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | — | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ferroscope leads with a health score of 54/100, but none of the options score above 80.
- •vibetracer, marser-trace-viewer are pre-1.0 — API may change.