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OpenAI Codex Introduces Subagents: Enabling Explicit Parallel Task Execution ============================================================================
OpenAI Codex Introduces Subagents: Enabling Explicit Parallel Task Execution ============================================================================  ### meng shao
@shao__meng
OpenAI Codex 支持 Subagents 了，单一会话内主 Agent 能够显式生成多个专业化 Subagents，并行执行任务，最后由 Codex 统一合并结果返回
核心机制
· 按需生成、非自动：仅当用户明确指令（如“Spawn one agent per point...”）时才启动，防止滥用。
· 独立性与共享性并存：每个 Subagent 拥有独立的 system prompt、模型、推理强度、MCP 和 Skills 配置，但继承父会话的 sandbox 策略、审批状态和运行时覆盖（/approvals、--yolo 等），确保安全边界一致。
· 并行与编排：Codex 负责生成、路由、等待、结果聚合，整个过程对用户透明。Subagents 间可嵌套（默认 max_depth=1），并发上限由全局配置控制。
典型高效用法模式
· 任务分解并行（最推荐）
示例提示： “Review this PR vs main。Spawn one agent per point：1. Security 2. Bugs 3. Maintainability…” → Codex 自动生成 reviewer、security、test 等 Subagents 并行工作，最后汇总。
· CSV 批量处理（实验特性）
使用 spawn_agents_on_csv 工具：输入一行一个组件/任务，输出结构化 JSON + 新 CSV。适合大规模代码审查、迁移、审计。
· 前端调试闭环
code_mapper（探索） + browser_debugger（chrome_devtools 取证） + ui_fixer（实现）三 Agent 协同。
Codex Subagents 文档 developers.openai.com/codex/subagent…Show More
!Image 4: Vaibhav (VB) Srivastav
#### Vaibhav (VB) Srivastav
@reach_vb · 20h ago x.com/i/article/2033…
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Mar 17, 2026, 12:27 AM View on X
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4,309 Views  meng shao @shao__meng
One Sentence Summary
OpenAI Codex now allows a primary Agent to spawn and orchestrate multiple specialized Subagents within a single session for parallel processing.
Summary
OpenAI Codex has introduced a Subagents mechanism. Key features include manual triggering (requiring explicit user commands), independent configurations for each Subagent (Prompt/Model/MCP) while inheriting the parent session's security policies, and unified result aggregation by Codex. Typical use cases include PR reviews (splitting tasks by security, bugs, and maintainability) and CSV-based batch processing, marking an evolution from single AI assistants to multi-agent collaboration.
AI Score
88
Influence Score 10
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OpenAI Codex
Subagents
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OpenAI Codex Introduces Subagents: Enabling Explicit Para... ===============