1. Go to File → Cursor Settings → MCP → Add new server.
2. Add the following, inserting your secret key:

{
  "mcpServers": {
    "liveblocks": {
      "command": "npx",
      "args": ["-y", "github:liveblocks/liveblocks-mcp-server"],
      "env": {
        "LIVEBLOCKS_SECRET_KEY": "sk_xxxxxxxxxxxx"
      }
    }
  }
}

Run the following command in the terminal, inserting your secret key:

claude mcp add liveblocks -e LIVEBLOCKS_SECRET_KEY=sk_xxxxxxxxxxxx -- npx -y github:liveblocks/liveblocks-mcp-server

1. Go to Settings → Developer → Edit Config.

2. Open the JSON file, claude_desktop_config.json.

3. Add the following to the JSON, inserting your secret key:

{
  "mcpServers": {
    "liveblocks": {
      "command": "npx",
      "args": ["-y", "github:liveblocks/liveblocks-mcp-server"],
      "env": {
        "LIVEBLOCKS_SECRET_KEY": "sk_xxxxxxxxxxxx"
      }
    }
  }
}

4. Restart Claude Desktop to apply the changes.

1. Ensure the Codex CLI is installed:

npm i -g @openai/codex

2. Run the following command in the terminal, inserting your secret key:

codex mcp add liveblocks \
  --env LIVEBLOCKS_SECRET_KEY=sk_xxxxxxxxxxxx \
  -- npx -y github:liveblocks/liveblocks-mcp-server