Web browser automation with AI-optimized snapshots for claude-flow agents
59
51%
Does it follow best practices?
Impact
57%
2.52xAverage score across 3 eval scenarios
Risky
Do not use without reviewing
Optimize this skill with Tessl
npx tessl skill review --optimize ./.claude/skills/browser/SKILL.mdSecurity
2 findings — 1 high severity, 1 medium severity. You should review these findings carefully before considering using this skill.
The skill handles credentials insecurely by requiring the agent to include secret values verbatim in its generated output. This exposes credentials in the agent’s context and conversation history, creating a risk of data exfiltration.
Insecure credential handling detected (high risk: 1.00). The prompt includes examples that embed plaintext credentials directly in commands (e.g., agent-browser fill @e3 "password123"), which instructs the agent to include secret values verbatim and poses a high exfiltration risk.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
Third-party content exposure detected (high risk: 1.00). The skill's core workflow explicitly navigates to arbitrary URLs (agent-browser open <url>) and snapshots page content (agent-browser snapshot -i) so the agent fetches and interprets untrusted public web pages (see Data Extraction and Examples) which can directly drive clicks/fills/next actions.
46f6f8a
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