Trae
ByteDance's AI IDE family: the Trae IDE with a unified Chat-Builder interface and @Agent + MCP multi-agent system, the autonomous TRAE SOLO coding agent, and the open-source Trae Agent CLI that topped SWE-bench Verified.
Description
Trae is ByteDance's AI coding stack. The IDE provides a unified Chat-Builder interface and an @Agent system with MCP for multi-agent collaboration. TRAE SOLO is positioned as a more autonomous responsive coding agent for real-world software development, with a mobile variant added in 2026. Separately, the open-source Trae Agent CLI (github.com/bytedance/trae-agent) ranked #1 on SWE-bench Verified with Claude 4 and provides a transparent, modular architecture researchers can extend; it supports MCP servers and a toolkit of file editing, bash execution and 'sequential thinking'.
Solution
Three surfaces. (1) Trae IDE Chat-Builder: user task in chat is routed to @Agent which composes tool calls and (optionally) sub-agents over MCP. (2) TRAE SOLO: more autonomous loop that executes longer, higher-trust workflows responsively. (3) Trae Agent CLI: a Python ReAct-style CLI taking a natural-language task, running tools (file editing, bash execution, sequential thinking) and optional MCP servers, until the task is done.
Primary use cases
- AI-assisted coding inside the Trae IDE
- autonomous coding sessions via TRAE SOLO
- research and benchmarking via the open-source Trae Agent CLI
- MCP-driven multi-agent code workflows
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