LangChain ships Managed Deep Agents 0.7 with Connections for agent and user (OBO) credentials
hwchase17 · x · 2026-09-10
LangChain released Managed Deep Agents (MDA) 0.7.0, introducing Connections, a clean answer to agent authentication:
- Agent-owned secrets for shared tools, and user-owned OAuth (on-behalf-of) for actions that need a real person's identity;
- Credentials live in your LangSmith workspace instead of scattered .env files.
MDA itself is a serverless way to run production agents: you define the agent as a project directory (model & config, instructions, skills, tools, middleware, MCP connectors), while the Deep Agents harness handles planning, tool calls, a virtual filesystem, and subagent delegation — hosted and persisted by LangSmith Deployment.
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