All tools are now async with hard timeout (10s) via
asyncio.wait_for + ThreadPoolExecutor. If any sync operation
(WebSocket, UPnP, REST) hangs, the MCP returns an error
instead of freezing the entire Claude Code session.
Root cause: sync functions blocked FastMCP's event loop.
SIGALRM and ThreadPoolExecutor.result(timeout) don't work
inside FastMCP threads. asyncio.wait_for is the correct
pattern for this context.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
15 tools for controlling Samsung Tizen TVs via local network.
Auto-discovery (SSDP), WebSocket remote, UPnP volume/DLNA,
app management, browser control, and Wake-on-LAN.
Tested on Samsung UN65TU7000KXZL (2020, Crystal UHD).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Andres Eduardo Garcia Marquez