src/timmy/cli.py

@@ -179,9 +179,16 @@ def interview(
 
     typer.echo("Initializing Timmy for interview...\n")
 
+    # Use a single persistent event loop for the entire interview.
+    # Calling asyncio.run() per question kills the loop between calls,
+    # orphaning MCP stdio transports and causing "Event loop is closed."
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+
+    try:
         # Force agent creation by calling chat once with a warm-up prompt
         try:
-        asyncio.run(
+            loop.run_until_complete(
                 chat("Hello, Timmy. We're about to start your interview.", session_id="interview")
             )
         except Exception as exc:
@@ -195,12 +202,21 @@ def interview(
 
         typer.echo("Starting interview...\n")
         transcript = run_interview(
-        chat_fn=lambda msg: asyncio.run(chat(msg, session_id="interview")),
+            chat_fn=lambda msg: loop.run_until_complete(chat(msg, session_id="interview")),
             on_answer=_on_answer,
         )
 
         # Print full transcript at the end
         typer.echo("\n" + format_transcript(transcript))
+    finally:
+        # Clean shutdown: close MCP sessions, then the loop
+        try:
+            from timmy.mcp_tools import close_mcp_sessions
+
+            loop.run_until_complete(close_mcp_sessions())
+        except Exception:
+            pass
+        loop.close()
 
 
 @app.command()