Decision Workspace
pitlane-mcp vs pathfinder-mcp-treesitter vs codelens-engine
Side-by-side comparison of Rust crates
46
pitlane-mcp
experimentalv0.10.4
Token-efficient code intelligence MCP server — indexes a codebase with tree-sitter and lets AI agents fetch exactly the symbols they need
50
pathfinder-mcp-treesitter
experimentalv0.12.0
The Surgeon — Tree-sitter engine for AST-aware operations in Pathfinder
58
codelens-engine
experimentalv1.13.34
Harness-native Rust MCP server for code intelligence — hybrid retrieval, mutation-gated workflows, and a token-lean response contract tuned for frontier agent models (Claude Fable-class)
Core Metrics
| pitlane-mcp | pathfinder-mcp-treesitter | codelens-engine | |
|---|---|---|---|
| Health Score | 46 | 50 | 58 |
| Total Downloads | 292 | 922 | 1.3K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 46 | 75 |
| Releases | 14 | 33 | 47 |
| Last Updated | 29d ago | 20d ago | 10d ago |
| Age | 3m | 2m | 3m |
Health Breakdown
pitlane-mcp
Maintenance
17
Quality
10
Community
6
Popularity
3
Documentation
10
pathfinder-mcp-treesitter
Maintenance
12
Quality
10
Community
11
Popularity
4
Documentation
13
codelens-engine
Maintenance
18
Quality
15
Community
11
Popularity
4
Documentation
10
Technical Details
| pitlane-mcp | pathfinder-mcp-treesitter | codelens-engine | |
|---|---|---|---|
| Version | 0.10.4 | 0.12.0 | 1.13.34 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 43 | 23 | 65 |
| Crate Size | 243KB | 108KB | 333KB |
| Features | 1 | 0 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •codelens-engine leads with a health score of 58/100, but none of the options score above 80.
- •pitlane-mcp, pathfinder-mcp-treesitter are pre-1.0 — API may change.