[Anthropic Officially Bans Use of Its Plans to Access OpenClaw] According to Golden Finance, on April 4, Anthropic officially banned the use of its plans to access OpenClaw. Boris Cherny, the father of Claude Code, announced that starting from 3:00 PM Eastern Time on April 4 (3:00 AM Beijing Time on April 5), Claude will block all third-party tools, and these tools can only be used with additional plans or APIs.