#624 Neil: Build Your Own AI Second Brain With GPT-6 Astra in Codex
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Build an AI second brain in Codex that remembers your context, priorities, projects, and writing style. This walkthrough shows how to set up the local project, connect useful apps, run audits, capture hidden knowledge, build an LLM Wiki, and visualize it all. 🧠
We'll Talk About:
What an AI second brain is and how it works
The Four Cs behind the system
How to build the setup inside Codex
How to add context and organize AGENTS.md
How to connect external apps and fresh data
How Audit, Level…
The skinny
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