Mcp Js
r33drichards/mcp-js0BSD⭐ 38🔧 10 tools
C6.6SpiderScore (registry)
MCP server that exposes a V8 JavaScript runtime as a tool for AI agents like Claude and Cursor. Supports persistent heap snapshots via S3 or local filesystem, and is ready for integration with modern AI development environments.
Decision
Recommended
Confidence
90%
Mcp Js is safe to use — high score (6.57/10), no critical issues.
How This Was Decided
- positivew=0.5Overall quality score = 6.57/10 (grade C)
- negativew=0.3Tool description clarity score = 2.7/10
Source: SpiderRating automated security scanUpdated: 2026-03-13Protocol: v1.1
Description Quality
Composite: 2.7 / 10
3-Layer Breakdown
Description (38%)
2.7
Security (34%)
10.0
Metadata (28%)
7.6
Description Dimensions
Intent Clarity
4.0
Permission Scope
0.0
Side Effects
3.0
Capability Disclosure
4.0
Operational Boundaries
3.1
Security Analysis
10.0
Score
0
Critical
0
High
0
Medium
0
Low
No security issues found.
Metadata Health
Provenance (40%)
9.0
Maintenance (35%)
8.0
Popularity (25%)
5.0
Badge
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