three.ws Notifications

local MCP server

Installation

Terminal

claude mcp add notifications-mcp -e THREE_WS_API_KEY=... -e THREE_WS_BASE=... -e THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/notifications-mcp

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "notifications-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/notifications-mcp"
      ],
      "env": {
        "THREE_WS_API_KEY": "...",
        "THREE_WS_BASE": "...",
        "THREE_WS_TIMEOUT_MS": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

Questions

three.ws Notifications is a local MCP server distributed as the npm package @three-ws/notifications-mcp.

Run: claude mcp add notifications-mcp -e THREE_WS_API_KEY=... -e THREE_WS_BASE=... -e THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/notifications-mcp

Run: codex mcp add notifications-mcp --env THREE_WS_API_KEY=... --env THREE_WS_BASE=... --env THREE_WS_TIMEOUT_MS=... -- npx -y @three-ws/notifications-mcp

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