Mnemosyne OS is a local-first memory operating system for one human. Your files and conversations become durable, searchable memory that any model you connect can draw on. Vaults live on your hardware, encrypted at rest under a key only you hold. Windows, macOS and Linux.
The 77.1% above is LongMemEval-M, full haystack, strict judge. The kit behind the badge lets you replay the run and check every verdict yourself.
| The product | Mnemosyne-Neural-OS |
| Site | mnemosyne-os.io |
| Documentation | docs.mnemosyne-os.io |
| Benchmarks, raw logs, verification kit | MnemosyneOS---benchmarks |
| Everything else | @Mnemosyne-OS |
Apps that run inside Mnemosyne OS and work on your own memory. Public, MIT.
| Ariadne | Browse what your coding agents wrote, keep the drafts worth keeping |
| Oikos | Read your Home Assistant into your own memory. Read only, local network only |
| Pheme | A reputation coach for Reddit and Hacker News that never posts |
| Muse | Describe an app in plain words, get a real project scaffolded on disk |
| MnemoReader | A living PDF library that reads aloud, word by word |
| MnemoArchipel | A sovereign personal CRM, offline first |
| MnemoResto | The restaurant that forgets no guest |
| agent-memory-skill | Give your coding agent a second memory, with no size ceiling |
"The model may not know who it is. The soul does."