TL;DR: Write your profile once in a private place you own, then connect ChatGPT, Claude and Gemini to it over MCP so all three read the same context. You stop repeating your background in every new chat, because each assistant pulls it for itself instead of leaning on its own separate memory. UseMyContext is one way to do this: a private, user-owned context layer any MCP-capable assistant can read, with one-click revoke.
Why each assistant knows a different you
Built-in memory is a feature of each product, scoped to that product. ChatGPT's memory lives in ChatGPT, Claude's in Claude, Gemini's in Gemini. None can read the others, so you end up with partial profiles that never agree.
The fix is a single profile that lives outside all of them, read on demand over MCP, the Model Context Protocol, an open standard for connecting context to AI. Each connected assistant reads your profile directly instead of guessing, and when you update it in one place, all of them see the change.
How you set it up
Sign in with your email and write your context: your role, how you work, the projects that matter, and any documents you keep alongside them. Split it into projects so work and personal stay separate, and an assistant only reads the one you point it at.
Then connect each assistant once. It can read your profile, search your files, and pull cited passages from your documents when it needs them. If it learns something new mid-chat, it can suggest an update that waits for your approval; nothing is written without you saying yes.
What stays private, and what you control
Your context is yours: a page you wrote, not something inferred behind your back. The service is built so the public surface cannot read your file content, and you can cut off any connected assistant with one click. The free plan includes 2 projects and 20 MB, enough for a work and personal split; Premium is $20 a month for 10 projects and 100 MB. The guarantees and the tools are the same on both.
What this does not do
It does not merge the three assistants into one, and it does not read their private memories. They stay separate products; what changes is that they now share one profile you wrote.
FAQ
Which AI assistants can read the same profile?
Any AI client that speaks MCP, which today includes Claude, ChatGPT, Gemini and Perplexity. You connect each one once, and they all read the same context.
What is MCP?
MCP, the Model Context Protocol, is an open standard that lets AI tools read from sources you connect. Serving your profile over it is why one setup works across every assistant.
Is my profile private if several AI tools read it?
Yes. Your context is scoped to you, the service is built so the public surface cannot read your file content, and you can revoke any connected assistant's access with one click.