# UltraMemory

> UltraMemory (ultramemory.io, operated by LogicLabsAI, LLC) — one hosted memory for every AI you use: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, and any MCP client. Founded by James Lindsay. Automatic save and recall — tell it something once and it stays told, and when it doesn't know, it says so. Connect in one click with OAuth, or install the UltraMemory Plugin/Extension — private per-user layer plus a governed shared company-knowledge layer for teams.

## Product

- [Home](https://ultramemory.io/): What UltraMemory does — hosted memory that connected AI assistants save to and recall from automatically.
- [Pricing & plans](https://ultramemory.io/pricing/): Free $0 · Pro $29 · Team $99 · Business $399 · Enterprise $999 — every recall feature on every plan; window caps differ.

## Docs

- [Documentation hub](https://ultramemory.io/docs/): Setup for Claude Code, Claude Desktop/claude.ai, ChatGPT, Cursor, Gemini CLI — connect via OAuth (one click on Claude.ai/ChatGPT) or the UltraMemory Plugin/Extension.
- [Install (three tiers)](https://ultramemory.io/docs/install/): Tier 1 UltraMemory (MCP), Tier 2 Turbo Token Saver, Tier 3 Agent Kit — one-line installer.
- [Usage guide](https://ultramemory.io/docs/usage-guide/): Day-to-day usage, memory spaces, company knowledge.
- [Memory model](https://ultramemory.io/docs/memory/): Private per-user memory vs curated company knowledge, bitemporal supersede, and the four ways to add memory.
- [Usage](https://ultramemory.io/docs/usage/): How usage is calculated — billable writes and recalls, billing-period quota and reset, rolling windows, team usage.
- [Compare](https://ultramemory.io/docs/compare/): How UltraMemory differs from built-in assistant memory.
- [Tools reference](https://ultramemory.io/docs/tools/): The nine MCP tools (memory_recall, recall_gated, recall_verified, search, fetch, playbook_recall, memory_write, memory_feedback, playbook_write) — parameters, when the agent calls each, and REST equivalents.

## Developer

- [MCP endpoint](https://api.ultramemory.us/mcp): Streamable HTTP MCP server; OAuth 2.1 or bearer key.
- [Open-source client](https://github.com/LogicLabsAI/ultramemory-mcp): Apache-2.0 client and Claude Code hook; PyPI package ultramemory-hermes.
- [Agent Kit one-line installer](https://ultramemory.io/kit.sh): Install the UltraMemory Agent Kit with bash <(curl -fsSL https://ultramemory.io/kit.sh).

## Legal

- [Legal hub](https://ultramemory.io/legal/): Terms, privacy, DPA, subprocessors.