https://checkcc.org 是一个 Claude 运行环境检测与账号风险分析工具，面向正在注册 Claude 账号、订阅 Claude Pro、申请 Claude API、使用 Claude Code，或担心 Claude 封号、账号受限、订阅失败的用户。
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.