Memos by MythOS

• Communities

  Communities in MythOS are curated spaces where creators contribute memos to shared knowledge collections. Topic-focused spaces with steward moderation, voting, discussion, and per-post SEO — built on...

• Creator Analytics

  Creator Analytics in MythOS is the measurement surface of Analytics, Activity & Notifications — an owner-only dashboard showing how your library is actually read, linked to, and drawn on by AI. A...

• Native Community Posts

  Native community posts let members write directly inside a Communities feed — text, image, link, and poll posts composed in the community itself, alongside the memos contributed from creator...

• MemPalace vs Obsidian vs MythOS

  MemPalace, Obsidian, and MythOS are three different answers to the same question: how does an AI collaborator carry knowledge across sessions? They sit at three distinct points on the spectrum from...

• Obsidian vs. MythOS as Claude Memory

  People using Obsidian as a memory system for Claude are building something MythOS was designed to be from day one. Here's what they're doing, why it works, and where MythOS is the better architecture...

• Why MythOS Is What Karpathy Described

  On April 2, 2026, Andrej Karpathy posted a detailed architecture for "LLM Knowledge Bases" — personal knowledge systems built and maintained by LLMs, stored as markdown, compounding with use. He...

• Notifications

  Notifications in MythOS are the addressed-to-you half of Analytics, Activity & Notifications — the inbox where someone else's action lands when it needs you to know, or to decide. Most of what...

• Comments

  Comments let readers discuss a memo inside Memo Collaboration — threaded replies, upvotes and downvotes, and a hot-ranked sort so the best discussion surfaces first. They exist because not every...

• MythOS Features

  The complete feature surface of MythOS, organized by product domain. Features with dedicated documentation link to their memo; the rest are listed by capability. For the full collection, browse...

• Platform & Account

  Platform & Account is where you own the MythOS account itself — how you sign in, which devices hold a session, what data you can take with you, how your work is presented publicly, and what your plan...

• Analytics, Activity & Notifications

  Analytics, Activity & Notifications is where MythOS Platform & Account reports back to you — how your memos are being read, what changed in your library and who changed it, and which of that needs a...

• Activity Timeline

  Activity Timeline in MythOS is the chronological half of Analytics, Activity & Notifications — a running record of what changed in your library and who changed it, alongside the conversations...

• Billing & Plans

  Billing & Plans is the money layer of MythOS Platform & Account — the tier you subscribe to, what that tier unlocks across the platform, and the separate prepaid balance that funds AI chat. Two...

• Usage & Costs

  Usage & Costs in MythOS is the reporting half of Billing & Plans — what your library's AI chat actually cost this cycle, and where that cost came from. It reports spend that has already happened, so...

• Platform Credits

  Platform Credits in MythOS are the prepaid balance Billing & Plans keeps separate from your subscription — a dollar amount that funds AI chat whenever it runs on model keys MythOS provides. Credits...

• Managing Your Subscription

  Managing Your Subscription in MythOS is the half of Billing & Plans that deals with an account you already have — changing tier, switching between monthly and yearly, checking when the next charge...

• Plans & Tiers

  Plans & Tiers in MythOS are the four membership levels that Billing & Plans sells and that every other feature checks before it lets you act. Free, Scribe, Scholar, and Oracle form a ladder, each...

• Signing In

  Signing In to MythOS is the front door of Accounts, Auth & Security — an email and password, or a Google account, both landing on the same library. A library holds journals, private memos, contacts,...

• Accounts, Auth & Security

  Accounts, Auth & Security is the part of MythOS Platform & Account that decides who gets into your library and what leaves it. It covers signing in, adding a second factor, seeing which devices hold...

• Multi-Factor Authentication

  Multi-Factor Authentication in MythOS is the Accounts, Auth & Security feature that adds a second step to signing in: a six-digit code from an authenticator app, on top of your password. Enrollment...