How do I install three.ws Herald?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is three.ws Herald official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

three.ws Herald MCP Server | MCPpedia

three.ws Herald MCP Server

Name: three.ws Herald MCP Server
Author: nirholas

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~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "nirholas-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"
      }
    }
  }
}

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Environment

Name	Required	Notes
THREE_WS_API_KEY	Yes	A 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. Secret.
THREE_WS_BASE	No	Base URL of the three.ws API. Override only when self-hosting or targeting a preview deployment.
THREE_WS_TIMEOUT_MS	No	Per-request timeout in milliseconds for the announce call.

three.ws Herald MCP Server

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