Security Audit

mcp-builder

github.com/anthropics/skills

AI SkillCommit 35414756ca55

TRUSTED

Scanned 15 days ago

Critical

Immediate action required

High

Priority fixes suggested

Medium

Best practices review

Low

Acknowledged / Tracked

Trust Assessment

mcp-builder received a trust score of 85/100, placing it in the Mostly Trusted category. This skill has passed most security checks with only minor considerations noted.

SkillShield's automated analysis identified 2 findings: 0 critical, 0 high, 2 medium, and 0 low severity. Key findings include Unpinned Python dependency version.

The analysis covered 4 layers: Manifest Analysis, Static Code Analysis, Dependency Graph, LLM Behavioral Safety. All layers scored 70 or above, reflecting consistent security practices.

Last analyzed on July 1, 2026 (commit 35414756). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.

Layer Breakdown

Manifest Analysis

100%

Static Code Analysis

100%

Dependency Graph

86%

LLM Behavioral Safety

100%

Security Findings2

Severity	Finding	Layer	Location
MEDIUM	Unpinned Python dependency version Requirement 'anthropic>=0.39.0' is not pinned to an exact version. Pin Python dependencies with '==<exact version>'.	Dependencies	skills/mcp-builder/scripts/requirements.txt:1
MEDIUM	Unpinned Python dependency version Requirement 'mcp>=1.1.0' is not pinned to an exact version. Pin Python dependencies with '==<exact version>'.	Dependencies	skills/mcp-builder/scripts/requirements.txt:2

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