Three.ws Herald MCP Server

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Local serverstdio

What is the Three.ws Herald MCP Server?

Three.ws Herald is an MCP integration. Tell your human in person: a 3D character walks onto their open browser tab and says it out loud.

Packages and local setup

The published npm package is @three-ws/herald-mcp, version 0.1.0. Its declared MCP transport is stdio.

The package declares THREE_WS_API_KEY (required): 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.; THREE_WS_BASE: Base URL of the three.ws API. Override only when self-hosting or targeting a preview deployment.; THREE_WS_TIMEOUT_MS: Per-request timeout in milliseconds for the announce call..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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Configuration

VariableDescriptionRequired
THREE_WS_API_KEYA 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.Yes
THREE_WS_BASEBase URL of the three.ws API. Override only when self-hosting or targeting a preview deployment.Optional
THREE_WS_TIMEOUT_MSPer-request timeout in milliseconds for the announce call.Optional