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Agents2026-07-17 · source-backed
Released July 16, the agent host runs coding agents (Copilot, Claude, Codex) in their own process via a new Agent Host Protocol, so a session lives independently and renders across multiple windows. Agents can list sessions, read conversations, spawn sub-task sessions, and send steering messages to each other, with user confirmation and burst rate-limiting as guardrails. It's gated behind chat.agentHost.enabled and supports Enterprise sign-in and BYOK. This is the same architectural move as xAI's Grok Build and Microsoft's Agent Framework: the substrate for agents-managing-agents is standardizing fast.
Each link below shares sources, entities, or timing with this story.
OpenAI released Codex / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenAI released Codex); both cover BYOK, Codex, Grok Build, Microsoft; overlapping topics (agent, claude, code, codex, coding).
Claude benchmarked against Codex / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude benchmarked against Codex); both cover Claude, Codex, Copilot; overlapping topics (agent, chat, claude, code, codex).
VS Code supports Codex / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (VS Code supports Codex); both cover Agent Host Protocol, Copilot, VS Code; overlapping topics (agent, agenthost, chat, code, host).
Codex competes with Claude Code / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Codex competes with Claude Code); both cover Claude, Codex, Copilot; overlapping topics (agent, claude, code, codex, coding).
OpenAI released Codex / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenAI released Codex); both cover BYOK, Codex, Copilot; overlapping topics (agent, byok, claude, code, codex).
Cursor benchmarked against Codex / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Cursor benchmarked against Codex); both cover Codex, Copilot, Enterprise, Microsoft; overlapping topics (agent, claude, code).
VS Code supports Codex / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (VS Code supports Codex); both cover Claude, Copilot, VS Code; overlapping topics (agent, chat, claude, session).
Codex competes with Claude Code / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Codex competes with Claude Code); both cover Claude, Codex, VS Code; overlapping topics (agent, claude, code, codex).