Guides on personal memory, AI assistants, MCP, and never looking anything up twice.
12 articles
Connect the assistants you use to one memory, tell it things once, and keep it when you switch. Setup for Claude, ChatGPT (Business, Enterprise and Edu), Cursor, VS Code, Gemini CLI and Codex.
What your agent can save and read back, file types and limits, how upload links and encryption work, and why JustOnce runs no OCR.
Create a space, invite anyone by email (no account needed), and each member asks their own assistant, credited to you. Why approvals matter.
Correct a fact without losing the old one: keep past addresses and policy details with dates, ask your agent what was true on a day, and know the limits.
Mostly not: Muse and dots each work for one person, and Grok Bot shares memory only through Team Bots at work. What each vendor says, and the alternative.
Your agent keeps Dad's paperwork; each sibling asks their own assistant or opens the shared space on the web instead of asking you. Consent first, then setup.
OpenAI plans to turn custom GPTs into plugins, and Google is replacing Gems with skills. What each company's own pages say, dated and linked, and where a shared JustOnce space fits.
Google CC gives a US family one shared agent. A JustOnce space lets each person ask their own assistant or open it on the web. How the two differ.
Put the discharge letter, the medication list and the power of attorney in a space each sibling can ask from their own Claude or open on the web — and what that does and does not do today.
Photograph the policy once, share it into a household space, and your partner's own Claude answers from it, or they open it on the web. Step by step, with the honest edges.
A personal memory layer is a single, secure, AI-organised home for the details of your life — what it is, how it differs from a notes app, and why it matters.
Claude and ChatGPT each keep their own memory, inside their own app. Here is how the Model Context Protocol (MCP) gives the assistants you connect one memory you control — Claude, and ChatGPT on Business, Enterprise and Edu.
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