Decision Workspace
claude-session-parser vs cc-session-jsonl vs claude_storage_core
Side-by-side comparison of Rust crates
43
claude-session-parser
experimentalv0.2.1
Streaming parser for Claude Code session JSONL files: token usage, chat events, and activity classification.
55
cc-session-jsonl
experimentalv0.4.0
Parse and structure Claude Code session JSONL files — 25 entry types, 4 file layouts, forward-compatible
59
claude_storage_core
experimentalv1.5.1
Core library for Claude Code filesystem storage access (zero dependencies)
Core Metrics
| claude-session-parser | cc-session-jsonl | claude_storage_core | |
|---|---|---|---|
| Health Score | 43 | 55 | 59 |
| Total Downloads | 70 | 138 | 280 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 6 | 20 |
| Releases | 3 | 4 | 6 |
| Last Updated | 34d ago | 41d ago | 17d ago |
| Age | 1m | 3m | 2m |
Health Breakdown
claude-session-parser
Maintenance
12
Quality
13
Community
6
Popularity
2
Documentation
10
cc-session-jsonl
Maintenance
21
Quality
14
Community
7
Popularity
3
Documentation
10
claude_storage_core
Maintenance
12
Quality
19
Community
10
Popularity
3
Documentation
15
Technical Details
| claude-session-parser | cc-session-jsonl | claude_storage_core | |
|---|---|---|---|
| Version | 0.2.1 | 0.4.0 | 1.5.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 5 | 3 | 1 |
| Crate Size | 40KB | 608KB | 86KB |
| Features | 0 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.74 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •claude_storage_core leads with a health score of 59/100, but none of the options score above 80.
- •claude-session-parser, cc-session-jsonl are pre-1.0 — API may change.