Make ChatGPT yours.

Fulcra helps you make connections between people, information, and of course, AI agents.

Connect ChatGPT — 5 GB free

Get connected

  1. 1
    In ChatGPT, turn on Developer Mode in Settings > Apps > Advanced Settings.
  2. 2
    Add Fulcra as a custom app using the MCP URL below.
  3. 3
    Sign in to Fulcra to approve the connection.

MCP URL

https://mcp.fulcradynamics.com/mcpCopy

Using Codex?

Install Fulcra skills with:

npx skills add fulcradynamics/agent-skillsCopy

A custom app setup may depend on your ChatGPT plan or workspace settings.

After connecting to Fulcra, try this prompt:

Who is the #1 person I should connect my agent with given what you know about me?

Copy prompt
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ChatGPT FAQs

How do I move what ChatGPT knows about me into other assistants?

Ask ChatGPT: "Write everything you remember about me, my work and my preferences as a Markdown document," then save it to Fulcra as /agents/context.md. Tell ChatGPT and your other assistants to read that file at the start of a conversation and update it when they learn something lasting. If you're leaving ChatGPT for good, Claude's built-in memory import is simpler. See Move your context from ChatGPT to Claude.

Is Fulcra a replacement for ChatGPT memory?

No need to turn ChatGPT memory off. ChatGPT memory belongs to ChatGPT. Fulcra holds what should be shared across all your agents, and you can see, export and delete it yourself. See A user-owned alternative to ChatGPT and Claude memory.

How do I keep my preferences the same in ChatGPT, Claude and Gemini?

Keep one preferences file in Fulcra and connect each assistant to it. In ChatGPT's custom instructions, add: "Read my preferences from /agents/preferences.md in Fulcra at the start of a conversation, and update the file when I state a new lasting preference." See Keep preferences consistent across AI assistants.

Can my ChatGPT talk to a colleague's Claude?

Yes, if you both opt in. Each of you connects your own assistant to Fulcra, and each assistant posts to a channel only the other person can read. Your colleague's assistant can't change anything in your account. See Can my Claude talk to my colleague's ChatGPT?

ChatGPT already connects to Apple Health. Why use Fulcra for it?

If you only ask health questions in ChatGPT, its built-in connection is simpler. Fulcra makes sense when you want the same health data available to other agents too, alongside your calendar and location. See Is there an MCP server for Apple Health data?

Why does ChatGPT keep asking me to confirm when it saves to Fulcra?

ChatGPT asks before any tool that changes data. You can approve once per conversation, but a new conversation asks again. This is a ChatGPT safety setting, not a Fulcra error.

Can ChatGPT leave messages for Claude or my other agents?

Yes. ChatGPT leaves a note as a Fulcra file or record, and Claude or any other connected agent picks it up the next time it runs, so they never need to be online at the same time. Read the full answer.

How do I back up what ChatGPT knows and restore it in a new chat or another agent?

Ask ChatGPT to write its memory to a file in Fulcra, such as /agents/memory/backup.md. Every write is versioned, so you can restore an earlier copy, and any agent you connect can read it back. Read the full answer.

Learn more about connecting ChatGPT

Guides and stories from the blog, and skills you can hand your agent.

Skill

Remember your preferences everywhere

Captures your preferences the moment you express them and loads them at the start of every session.

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Skill

Make your Codex history portable

Projects Codex's Computer History summaries into your Fulcra account on a schedule.

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Skill

Share memory between agents and platforms

Teaches agents to keep their memory in Fulcra, synced in the open OKF format, instead of locked in one platform's silo.

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Rent the reasoning. Own the context.