BitFun combines a high-performance agent runtime written in Rust with a polished desktop application. It pairs the depth of a Code Agent with open, general-purpose capabilities for work beyond software development.

Import 14+ external agent chat histories (Claude Code, Codex, ChatGPT, Cursor, Gemini, Reasonix, opencode, ZCode, Grok Build, OpenClaw, Pi, Hermes, Kimi CLI, DSH) into DeepSeek Harness as resumable sessions — full-fidelity, reverse export/sync, bundle backup. | 从 Claude Code、Codex、Reasonix 等 Agent 工具导入历史消息到 DeepSeek Harness 并继续对话。