# Itsuki

> Updated 2026-08-29 · type: tool · category: ai-infrastructure · status: active · rev 1

Open-source memory engine for AI agents over REST API + MCP: captures conversations/events into typed, versioned, reversible objects (facts, entities,…

- Open source: yes (Apache-2.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Developers integrating durable, graph-based memory into AI apps and coding agents (Claude, ChatGPT, Cursor) via MCP, REST, or SDKs.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/itsuki-memory/
- **Source:** [github · 12ziyad/universal-memory-engine](https://github.com/12ziyad/universal-memory-engine)
- **Tags:** ai-infrastructure, agent-memory, mcp, memory
- **Repository:** https://github.com/12ziyad/universal-memory-engine

## Is Itsuki open source?

Yes — Apache-2.0-licensed.

## How much does Itsuki cost?

It is free to use.

## Can I self-host Itsuki?

Yes — it can be self-hosted.


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Open-source memory engine for AI agents over REST API + MCP: captures conversations/events into typed, versioned, reversible objects (facts, entities, relationships, events) accessible across 26+ tools, with an audit trail and JSON export.

## Provenance

- Apache-2.0 independently verified (2026-09-03). Source record only linked the marketing site (itsuki.app); the canonical repo is github.com/12ziyad/universal-memory-engine, found during verification. Early-stage.
- Curated from the GTM Stacker signal registry (news_registry.json); license independently checked.