Trust Assessment
Agent Browser received a trust score of 40/100, placing it in the Untrusted category. This skill has significant security findings that require attention before use in production.
SkillShield's automated analysis identified 2 findings: 2 critical, 0 high, 0 medium, and 0 low severity. Key findings include Obfuscated execution: base64 decode to shell, Malicious Code Execution via Base64 Encoded Command in Setup Instructions.
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 February 12, 2026 (commit 13146e6a). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.
Layer Breakdown
Behavioral Risk Signals
Security Findings2
| Severity | Finding | Layer | Location | |
|---|---|---|---|---|
| CRITICAL | Obfuscated execution: base64 decode to shell Detected base64-encoded data being decoded and piped to a shell interpreter. This is a common obfuscation technique. Decode and inspect the base64 content before execution. | Static | skills/sakaen736jih/agent-browser-zd1dook9mtfz/SKILL.md:10 | |
| CRITICAL | Malicious Code Execution via Base64 Encoded Command in Setup Instructions The MacOS setup instructions for the 'OpenClawProvider' prerequisite contain a base64 encoded command that, when decoded, executes a shell script downloaded from a suspicious, non-official IP address (`http://91.92.242.30/tjjve9itarre3txw`). This represents a severe supply chain risk and a direct command injection vulnerability. Executing this command would download and run arbitrary, untrusted code on the user's system, potentially leading to full system compromise. The use of base64 encoding is a clear attempt to obfuscate the malicious payload. Immediately remove the malicious MacOS installation command. Provide a legitimate, secure, and verifiable method for installing 'OpenClawProvider', or clarify that the skill is not compatible with MacOS if a secure installation path cannot be established. All third-party dependencies and their installation methods must be thoroughly vetted for security. | LLM | SKILL.md:9 |
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