We've been thinking about memory longer than the models have.

In 2017, MythOS was a personal system — tags, mentions, cross-links, all in Markdown. The point wasn't to build an app. The point was to never lose an idea again.

Then the models arrived. ChatGPT, Claude, every successor. Each one asked the same questions: who are you, what do you think, what have you already written? And every time, you had to start over.

We kept watching people paste the same paragraph into every new chat. Rebuild the same context. Re-explain themselves to a machine that already had access to the most advanced language understanding in history — but not to them.

So we turned the notebook into a protocol. MythOS is the missing layer: a library that lives outside any one model, addressable by all of them.

Every thinking person already has these three systems. Most are scattered. We organized them.

Memory is the library: every memo, every hashtag, every link. Markdown by default so it survives everything.

Mind is the layer that makes the library think back. Chat with your memos. Let agents orchestrate them. Every answer grounded in your own words.

Mouth is the public-facing half: publish a memo, send it as a newsletter, host a conversation, get surfaced in search — human and machine.

The goal is not a note-taking app. The goal is the connective tissue between how you think and how you show up online.