{"slug": "vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process", "title": "VS Code agent host runs Copilot, Claude, and Codex in a dedicated process", "summary": "Microsoft's Visual Studio Code 1.129 release introduces a dedicated agent host process that runs AI coding agents such as Copilot, Claude, and Codex in separate sessions, improving stability and isolation for developers using multiple AI tools simultaneously.", "body_md": "Developers who lean on AI coding agents often keep several editor windows open at once, each tied to its own session. The 1.129 release of Visual Studio Code reworks that setup with a dedicated agent host. A dedicated process for agent sessions The agent host is a separate process that runs agent harnesses such as Copilot, Claude, and Codex, built on the Agent Host Protocol. Because a session lives in its own process, one session … [More ](https://www.helpnetsecurity.com/2026/07/16/vs-visual-studio-code-agent-host/)\n\nThe post [VS Code agent host runs Copilot, Claude, and Codex in a dedicated process](https://www.helpnetsecurity.com/2026/07/16/vs-visual-studio-code-agent-host/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).", "url": "https://wpnews.pro/news/vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process", "canonical_source": "https://www.helpnetsecurity.com/2026/07/16/vs-visual-studio-code-agent-host/", "published_at": "2026-07-16 07:45:47+00:00", "updated_at": "2026-07-16 08:14:16.969683+00:00", "lang": "en", "topics": ["developer-tools", "ai-tools", "ai-agents"], "entities": ["Microsoft", "Visual Studio Code", "Copilot", "Claude", "Codex"], "alternates": {"html": "https://wpnews.pro/news/vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process", "markdown": "https://wpnews.pro/news/vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process.md", "text": "https://wpnews.pro/news/vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process.txt", "jsonld": "https://wpnews.pro/news/vs-code-agent-host-runs-copilot-claude-and-codex-in-a-dedicated-process.jsonld"}}