PinnedPersonal2026-05-044 min read
Why I'm Asking for Help
I've been out of work for nine months. Our savings are gone. We're behind on rent and facing eviction. If Mnemosyne has ever helped you, please read this.
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Back to home
From the desk
Blog
Updates, stories, and thoughts on building memory systems that actually respect your privacy.
PinnedAnalysis2026-06-098 min read
The Unreproducible Benchmark
Sibyl Labs published a 350-question benchmark comparing four memory engines. 5/350 for Mnemosyne. No runner, no corpus, no way to verify. So we reproduced it. Here's what we found.
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PinnedRelease2026-05-264 min read
Mnemosyne Is Now a Universal Memory Layer for Any AI Agent
Six months ago, Mnemosyne was memory for Hermes Agent. Today it's a universal layer for any AI agent.
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Release2026-06-206 min read
Mnemosyne 3.10: The Persona Layer
Memory that outlasts the working window. v3.10 ships the L3 persona layer (always-on behavioral rules, tiered retention, system-prompt injection) plus v3.9's sync engine and supporting fixes.
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Release2026-06-207 min read
Catching Up: Mnemosyne v3.1.2 Through v3.10.0
Nine releases in twenty-one days. The last v3 blog post covered 3.1. Everything since then got shipped without a writeup. Here is the whole backlog, in one place.
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Release2026-05-264 min read
Mnemosyne 3.1: Shared Surface & Multilingual MEMORIA
Cross-agent shared memory, multilingual MEMORIA for German/Russian/Chinese, custom embedding endpoints, and 21 bug fixes. v3.0 was the foundation. v3.1 is the expansion.
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Community2026-05-242 min read
Kevin Simback Called Mnemosyne a Standout. Here's What That Means.
Kevin Simback published a deep guide on Hermes memory systems and put Mnemosyne in Layer 3 alongside GBrain as one of two standout community projects.
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Release2026-05-186 min read
Mnemosyne 3.0: MEMORIA Fact Engine
From 35.4% to 65.2% on BEAM, leading published SOTA. Multi-hop reasoning went from 16.7% to 87.5%. Same zero-cloud architecture. MEMORIA changed everything.
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Community2026-05-073 min read
We Have a Discord Now
Mnemosyne started as a side project. Now it has a home. Come hang out with people who believe your AI's memory should live on your machine, not someone else's server.
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Release2026-05-054 min read
Mnemosyne v2.3: Tiered Memory, Smart Compression, and Memory Confidence
Three new features shipped: tiered degradation that keeps memories for years without manual pruning, entity-aware compression, and a veracity signal so you know which memories to trust.
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Story2026-05-056 min read
How I Taught Mnemosyne to Remember (Almost) Forever
A hallucinated dashboard, a decision matrix, and the contamination discovery that changed everything. The real story of how Mnemosyne v2.3 got tiered memory degradation, smart compression, and a confidence signal for every memory.
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Vision2026-05-054 min read
Where Mnemosyne Is and Where It's Going
v2.3 just shipped. The docs are honest. The comparisons are real. Here's what comes next: expanding beyond Hermes, staying local-first, and navigating the cloud question the community raised.
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Release2026-05-045 min read
Introducing the Mnemosyne Dashboard
A local-first web dashboard for browsing, visualizing, and understanding your AI memory. No cloud calls, no external deps, just you and your data. Built on top of Mnemosyne by wysie.
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Release2026-04-294 min read
Mnemosyne 2.0: A Memory System That Actually Remembers
Twenty-four days, eight phases, and one stubborn belief: your AI's memory should live on your machine, not someone else's server. Here's what 2.0 brings.
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Story2026-04-295 min read
The Road to 2.0
Eight phases of rebuilding. What broke, what worked, and why it took 24 days.
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Story2026-04-204 min read
The Plugin Wars
The struggle to integrate with Hermes Agent. The directory mismatch bug. The register() export saga. Why plugin systems are harder than they look.
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Story2026-04-105 min read
The BEAM Architecture
Moving from simple recall to four memory types. The insight that not all memories are equal. sqlite-vec, FTS5, and the first consolidation.
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Story2026-04-054 min read
How Mnemosyne Started
The first commit. Why build yet another memory system? The frustration with cloud lock-in. The decision to use SQLite. The first 24 hours of coding.
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