Durability propagates across the entire agent tree with no per-sub-agent wiring. A coordinator agent built with create_deep_agent(..., subagents=[...]) delegates to its sub-agents through the built-in task tool. Deep Agents builds each sub-agent as a separate graph, but they inherit the parent's model object by default — so because the plugin makes that one model object durable, every sub-agent's model call also becomes a deepagents.invoke_model activity automatically.

In this sample the coordinator delegates deep investigation to a researcher sub-agent and then synthesizes a final answer. Both the coordinator's and the researcher's LLM calls run as durable activities.

• create_deep_agent(subagents=[...]) with a delegated researcher
• Durability inheritance: sub-agent model calls route through activities with no extra wiring

Prerequisites: Python >= 3.11 with the suite setup applied (interim plugin install), an ANTHROPIC_API_KEY in your environment, and a running Temporal dev server (temporal server start-dev).

The experimental plugin is not in the deepagents group — install it as shown in the suite README and run with --no-sync, or a bare uv run/uv sync re-syncs the environment and uninstalls it.

# Terminal 1
uv run --no-sync deepagents_plugin/subagents/run_worker.py

# Terminal 2
uv run --no-sync deepagents_plugin/subagents/run_workflow.py