browser-mcp-agent
Pass
Audited by Gen Agent Trust Hub on Aug 3, 2026
Risk Level: SAFEEXTERNAL_DOWNLOADSCOMMAND_EXECUTIONPROMPT_INJECTION
Full Analysis
- [EXTERNAL_DOWNLOADS]: The skill downloads the
anti-detect-browserpackage from the npm registry and fetches a browser kernel (approximately 190-320 MB) from the vendor's infrastructure during the initial setup. These downloads are required for the skill's primary function and originate from the vendor's own distribution channels. - [COMMAND_EXECUTION]: The skill's setup instructions utilize
npxto execute the MCP server. It also provides anevaluatetool that enables the AI agent to run JavaScript within the browser context to interact with web pages. - [PROMPT_INJECTION]: The skill exposes a surface for indirect prompt injection by design, as it allows the agent to ingest and act upon untrusted data from the internet. It mitigates this risk through a mandatory evidence chain: 1) Ingestion points:
get_content,screenshot, andevaluatetools return third-party web content; 2) Boundary markers: explicit instructions are provided to the agent to treat page content as data and not as instructions; 3) Capability inventory: the agent can perform actions such asnavigate,click,fill, andevaluatebased on its interpretation of page data; 4) Sanitization: the skill relies on the agent's logical filtering as no programmatic sanitization of the DOM content is described.
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