---
schema: 1
type: term
title: '**Codex Vitae**'
description: >-
  **Codex Vitae** (adapting Buster Benson's _Book of Life_ concept) is a single,
  comprehensive context document that gives an AI coach everything it needs to
  coach you specifically — core personality traits, core values, intentions and
  goals, business metrics, ideal day and week architecture, decision-making
  principles, burnout warning signs, reactivity triggers, biomarkers, and prior
  experiment results. Because the model holds your whole life context rather
  than chat memory, it can surface your own principles exactly when they matter.
  Practitioners update it monthly and revisit it in weekly sessions, feeding
  reflective practices (journals, voice memos, check-ins) around it. The channel
  frames it pragmatically: you mine it for _nuggets of gold_ — if roughly 80% of
  the coaching lands, it's worth it.
canonical: 'https://liquidgold.cc/channel/everyinc/explore/term/codex-vitae-ec6e94bf1582'
markdown: >-
  https://liquidgold.cc/channel/everyinc/explore/term/codex-vitae-ec6e94bf1582.md
llms: null
parent: 'https://liquidgold.cc/channel/everyinc/llms.txt'
channel: everyinc
updated: '2026-10-23T22:12:35.346Z'
language: null
children: []
---


# \*\*Codex Vitae\*\*

Canonical: https://liquidgold.cc/channel/everyinc/explore/term/codex-vitae-ec6e94bf1582

Parent: [Channel index](https://liquidgold.cc/channel/everyinc/llms.txt)

## Definition

**Codex Vitae** (adapting Buster Benson's _Book of Life_ concept) is a single, comprehensive context document that gives an AI coach everything it needs to coach you specifically — core personality traits, core values, intentions and goals, business metrics, ideal day and week architecture, decision-making principles, burnout warning signs, reactivity triggers, biomarkers, and prior experiment results. Because the model holds your whole life context rather than chat memory, it can surface your own principles exactly when they matter. Practitioners update it monthly and revisit it in weekly sessions, feeding reflective practices (journals, voice memos, check-ins) around it. The channel frames it pragmatically: you mine it for _nuggets of gold_ — if roughly 80% of the coaching lands, it's worth it.

In this channel's material, **Codex Vitae** appears as the centerpiece of building a personalized AI coach. Jonny Miller adapted Buster Benson's _Book of Life_ concept into a single document containing everything an AI would need to coach him specifically: core personality traits, values, intentions and goals, business metrics, ideal day architecture, decision-making principles, burnout warning signs, reactivity triggers, and biomarkers. The channel uses it to illustrate the broader principle that _context is the unlock_ — an AI coach fed a full Codex Vitae becomes dramatically better than one given only chat scraps. Miller updates it monthly and revisits it in weekly coaching sessions, packages it as part of the template at buildyourAIcoach.com, and envisions a future where automatically synced life data lets the Codex Vitae update itself.