vizio-tv

vizio-tv

Control a Vizio SmartCast TV over your local network via the SmartCast local API, with no cloud required.

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README

vizio-tv

MCP server to control a Vizio SmartCast TV over your local network. No cloud required — talks directly to the TV via the SmartCast local API.

Tools

Tool Description
pair_start Initiate pairing — shows a PIN on the TV screen
pair_finish Complete pairing with the PIN from the TV
power Turn TV on, off, or toggle
volume Volume up, down, or mute (with optional step count)
send_key Send any remote key (up, down, ok, back, home, play, pause, etc.)
change_input Cycle to the next input source
get_state Get current power and volume state

Setup

npm install
export VIZIO_IP=<your-tv-ip>   # find in TV Settings > Network
node index.js

Find your TV's IP: Menu → Network → Manual Setup → IP Address

Pairing (one-time)

After starting the server, run pair_start — a 4-digit PIN appears on the TV. Then run pair_finish with that PIN. Auth token is saved to config.json (gitignored).

Add to Claude Code

{
  "mcpServers": {
    "vizio-tv": {
      "command": "node",
      "args": ["/path/to/vizio-tv/index.js"],
      "env": { "VIZIO_IP": "<your-tv-ip>" }
    }
  }
}

Available keys for send_key

power vol_up vol_down mute up down left right ok back exit home menu input play pause stop rewind fast_forward ch_up ch_down

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