Runs web searches and page fetches inside an isolated Docker container instead of on the host, so browsing untrusted pages can't touch your machine and every query/URL is logged. Use when the user wants to search the web, research a topic online, fetch or read web pages, or asks for sandboxed, isolated, or contained web access. Requires a one-time build; reuses your existing host Claude login (mounted read-only). The container runs the official Claude Code CLI headless on Sonnet.
How to install web-sandbox?
antoniocascais/claude-code-toolkit/web-sandbox
$npx -y skills add antoniocascais/claude-code-toolkit --skill web-sandboxInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/antoniocascais/claude-code-toolkit" --skill "antoniocascais/claude-code-toolkit/web-sandbox"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/antoniocascais/claude-code-toolkit" that are relevant to the current task. Run `npx skills add "https://github.com/antoniocascais/claude-code-toolkit"` and select the relevant skills, then follow their instructions.
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