server_manager

Environment variable prefix used to pass CLI config to the server subprocess.

Start a LangGraph server and return a connected remote agent client.

Async context manager that starts a server and guarantees cleanup.

Wraps start_server_and_get_agent so callers don't need to duplicate the try/finally pattern for stopping the server.

Manages persistent MCP sessions for stateful stdio servers.

This manager creates and maintains persistent sessions for stdio MCP servers, preventing server restarts on every tool call. Sessions are kept alive until explicitly cleaned up.

Client that talks to a LangGraph server over HTTP+SSE.

Wraps langgraph.pregel.remote.RemoteGraph which handles SSE parsing, stream-mode negotiation (messages-tuple), namespace extraction, and interrupt detection. This class adds only message-object conversion for the Textual adapter and thread-ID normalization.

Manages a langgraph dev server subprocess.

Focuses on subprocess lifecycle (start, stop, restart) and health checking. Env-var management for restarts (e.g. configuration changes requiring a full restart) is handled by _scoped_env_overrides, keeping this class focused on process management.

Full configuration payload passed from the CLI to the server subprocess.

Serialized to/from DEEPAGENTS_CLI_SERVER_* environment variables so that the server graph (which runs in a separate Python interpreter) can reconstruct the CLI's intent without sharing memory.

Explicit user/project path context for project-sensitive behavior.