Practical guides on giving ChatGPT, Claude, Gemini, Perplexity and Grok the right context — and keeping it yours.
Context · ChatGPT · Claude · Gemini
Every AI chat starts from zero. How to keep who you are, what you’re working on and how you like answers in one place, and attach it only when it fits.
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Template · Custom instructions · Context
What an AI needs to know about you, what it doesn’t, and a seven-section template (Profile, Now, Goals, Guidance, Memory, Timeline, Skills) to fill in today.
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Privacy · Context · Custom instructions
One set of instructions has to describe your whole life at once. Scoped context, one card per part of your life, gives better answers and shares less.
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ChatGPT · Memory · Custom instructions
Custom instructions are rules you write; memory is notes ChatGPT writes. What each is good for, where both fall short, and how to keep real context portable.
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Claude · Memory · Projects
Claude remembers your chats and keeps a memory per Project. What each holds, what neither carries to another tool, and how to keep your own context beside them.
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Gemini · Memory · Saved info
Gemini remembers facts you state and learns from earlier chats. When that is enough, when it isn’t, and how to bring the same context to ChatGPT or Claude.
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ChatGPT · Claude · Gemini · Switching
There is no export button for what ChatGPT knows about you. A 20-minute method to get it out, cut it down, and reuse it in Claude, Gemini, Perplexity or Grok.
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Privacy · ChatGPT · Claude · Gemini
Memories, chat history, instructions and pasted context: where each is stored, who can read it, how to delete it, and how to share less without worse answers.
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Privacy · Chrome extension · Security
Seven questions to ask any extension that touches your AI chats: permissions, what it reads, where data goes, who holds the key. And how CardGo answers each.
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MCP · Claude Code · Cursor · Developers
The Model Context Protocol lets an AI app read your cards on your own machine. How the CardGo MCP server works, how to set it up, and what stays encrypted.
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