three.ws Herald

io.github.nirholas/herald-mcp

Tell your human in person: a 3D character walks onto their open browser tab and says it out loud.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "herald-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/herald-mcp@0.1.0"
      ],
      "env": {
        "THREE_WS_API_KEY": "<your THREE_WS_API_KEY>",
        "THREE_WS_BASE": "https://three.ws",
        "THREE_WS_TIMEOUT_MS": "20000"
      }
    }
  }
}
Environment variables
  • THREE_WS_API_KEYrequiredsecretA three.ws API key (sk_live_… / sk_test_…) with the herald:announce scope, or an OAuth access token for the same account, carried as Authorization: Bearer. Required: an announcement is always delivered to the key owner's own sessions. Aliases: THREE_WS_TOKEN, THREE_WS_BEARER. Treat like a password.
  • THREE_WS_BASEBase URL of the three.ws API. Override only when self-hosting or targeting a preview deployment.
  • THREE_WS_TIMEOUT_MSPer-request timeout in milliseconds for the announce call.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.0
Registry
active
Published
9/30/2026

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