Python Sdk
modelcontextprotocol/python-sdkMIT⭐ 22,113🔧 66 tools
D6.0SpiderScore (registry)
The official Python SDK for Model Context Protocol servers and clients
⚠ Hard constraint applied: critical issue caps D
Decision
Consider
Confidence
90%
Python Sdk is usable with minor concerns (6.05/10, 1 critical, 0 high).
Recommended Actions
- highRun In Container1 critical vulnerabilities require isolation
- highLimit PermissionsRestrict tool access to minimum required scope
Do Not
- ✗running in production without container isolation
Risk Flags (1)
- criticalcommand_injectionCommand injection risk — subprocess called with shell=True and non-literal command
How This Was Decided
- positivew=0.5Overall quality score = 6.05/10 (grade D)
- negativew=0.81 critical security issue(s) detected
- negativew=0.3Tool description clarity score = 1.9/10
Source: SpiderRating automated security scanUpdated: 2026-03-13Protocol: v1.1
Description Quality
Composite: 1.9 / 10
3-Layer Breakdown
Description (38%)
1.9
Security (34%)
7.7
Metadata (28%)
9.7
Description Dimensions
Intent Clarity
2.6
Permission Scope
0.3
Side Effects
2.5
Capability Disclosure
2.6
Operational Boundaries
2.0
Security Analysis
7.7
Score
1
Critical
0
High
0
Medium
0
Low
Findings Redacted
Detailed security findings are hidden during the 90-day responsible disclosure window. Maintainers have been notified.
1 CRITICAL
Metadata Health
Provenance (40%)
10.0
Maintenance (35%)
9.0
Popularity (25%)
10.0
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