AI Chat · U|H tools

Talk to the book

A conversation with the outline — like chatting with a tutor who has read the map, not yet every page of the manuscript.

Outline tutor (shell)

Settings

Voice engine

Engine

Browser voices work offline with no key. Persona maps to speechSynthesis language hints (en-GB, en-AU, en-US) when available.

Speaking rate 1.0×

xAI Grok TTS

Add your xAI API key in Settings to use Grok voices

API key

Stored only in localStorage on this device for local preview. Never commit keys to the repo. You may also set window.XAI_TTS from a private script.

Endpoint: POST /api/tts (via tools/tts_proxy.py) or POST https://api.x.ai/v1/tts with language + built-in voice_id: eve, ara, rex, sal, leo. Pronunciation replace map lives in js/fulcrum-tts.js.

Socrates → leo
English Professor → ara
Australian Professor → eve
American Professor → rex
Panel → cycles leo / ara / eve / rex / sal
Custom voice UUIDs: activate when cloned on this account (currently 404)