Leanmcp Sdk
LeanMCP/leanmcp-sdkMIT⭐ 20🔧 3 tools
F1.9SpiderScore (registry)
⚠ Hard constraint applied: critical vulnerability
Decision
Not Recommended
Confidence
90%
Leanmcp Sdk is not recommended — low score (1.85/10) with 3 critical issues.
Recommended Actions
- highRun In Container3 critical vulnerabilities require isolation
- highLimit PermissionsRestrict tool access to minimum required scope
Do Not
- ✗running in production without container isolation
- ✗exposing this tool to untrusted input
- ✗using for security-sensitive tasks
Risk Flags (2)
- criticalchild_process_injection×3Command injection — child_process.exec() with template literal interpolation
- hightoken_leakage×2Secret or token may be leaked through error messages, logs, or return values
How This Was Decided
- negativew=0.5Overall quality score = 1.85/10 (grade F)
- negativew=0.83 critical security issue(s) detected
- negativew=0.52 high-severity issue(s) detected
- negativew=0.3Tool description clarity score = 1.7/10
Source: SpiderRating automated security scanUpdated: 2026-03-21Protocol: v1.1
Description Quality
Composite: 1.7 / 10
3-Layer Breakdown
Description (38%)
1.7
Security (34%)
6.1
Metadata (28%)
7.6
Description Dimensions
Intent Clarity
1.3
Permission Scope
0.0
Side Effects
2.0
Capability Disclosure
4.0
Operational Boundaries
1.8
Security Analysis
6.1
Score
3
Critical
2
High
0
Medium
0
Low
Findings Redacted
Detailed security findings are hidden during the 90-day responsible disclosure window. Maintainers have been notified.
3 CRITICAL2 HIGH
Metadata Health
Provenance (40%)
9.0
Maintenance (35%)
9.0
Popularity (25%)
3.5
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