feat: support --allowedOrigins & --blockedOrigins in CLI #232
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This PR adds URL validation functionality to restrict Puppeteer browser navigation to allowed origins.
UrlValidator
class with allowlist/denylist support using glob patterns--allowedOrigins
,--deniedOrigins
) to configure URL filteringMotivation
When adopting browser automation MCPs in a corporate environment, it can be a good reason for adoption to restrict accessible origins to deal with security concerns. Flagging on which domains the MCP server can access (e.g. localhost only) prevents unintended navigation to unauthorized or potentially malicious sites while
maintaining safe internal tool usage.