LangChain Blog · Oct 30, 2026 · 9:26 AM

LangChain's Managed Deep Agents v0.10 adds browser use and async subagents that run in the background

Released Oct 29 in public beta on LangSmith Cloud (US), agents can now work on sites with no API and hand you the browser window at sign-in so passwords stay out of traces, and a subagent marked async runs long jobs while the main agent keeps chatting. It also replies in the originating Slack thread with a Stop button, and drops connectors.mcp() in favor of declaring MCP servers in tools/mcp.py or tools/mcp.ts.

Read at langchain.com

More news

View all

DeepSeek Harness alpha adds an experimental tool that hands tasks to your local Codex or Claude Code

Released Oct 28 as pre release dsh v0.2.2 alpha.2, the experimental subagent oar plugin delegates a self contained task to an installed Codex or Claude Code CLI, which works in its own context and returns one final answer with no follow ups or resume. The alpha also lets you update third party plugins with rollback if a hot update fails, and adds six UI languages…

GitHub (deepseek-ai/deepseek-harness) 54 minutes ago

AWS ships AgentCore CLI 1.0 for building, deploying and running agents from the terminal

Released Oct 28 as @aws/agentcore 1.0.0 on npm, the rebuilt CLI starts faster and lets you work directly with harnesses, runtimes, memory, identity, gateways and payments by ID or ARN, with an interactive shell and harness export. Existing projects move over with agentcore migrate…

AWS What's New 3 hours ago

Tencent's Marvis adds a Coding Butler that drives CodeBuddy IDE and Kimi Code Desktop from your phone

Launched Oct 29, it lets you pick up projects running in CodeBuddy IDE or Kimi Code Desktop on your computer, read the chat history, send follow ups or start new tasks from the Marvis mobile app, with changes synced back to the desktop. An anti sleep option keeps the computer awake for long runs, and Tencent says more coding tools will follow…

AIbase 4 hours ago

Kimi Code 2.4.0 imports your recent Claude Code and Codex sessions so you can keep working in Kimi

Released Oct 28, kimi import sessions (or /import sessions ) converts up to 100 Claude Code and Codex sessions from the last 15 or 30 days into regular Kimi sessions in their original project folders, locally and without calling a model or touching the originals. The release also makes Plan mode user only, so the agent can't enter it or auto approve plans on its own (changelog)…

Kimi Code Docs (Moonshot AI) 5 hours ago

EMBRACE research breaks the built-in browsers of Cursor, Copilot, Codex, VS Code and Claude Desktop

Published Oct 29, the research shows a booby trapped page got Cursor's agent to run a host command (patched Oct 1), and a local HTML file in Codex, VS Code or Claude Desktop could read and exfiltrate files across the disk, with Copilot spoofing the address bar (fixed in 1.1.29). Codex and VS Code were still unpatched at publication, so be careful opening untrusted HTML in their built in browsers (Help Net Security)…

Forever Security 6 hours ago

Spotted something we missed? Start a thread.