The request names "mnemosyne", which none of the candidates is named after; the closest matches are AI agent memory products. Mnemoverse 1 offers persistent memory across Claude, ChatGPT, Cursor and MCP clients, and XMemo 3, Memxus 4 and Gnosis Memory 7 provide comparable persistent memory layers for AI tools.
A question back: Did you mean a specific product called Mnemosyne, or are you looking for an AI agent memory tool in general?
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Memxusmemxus.comverified and signed
AI context engine that saves persistent context and delivers it to Claude, Cursor and ChatGPT, with remember, forget and list_memories actions 414.
official:MCP server · com.memxus/memxus+2 community tools built for it
for agents: remember · forget · list_memories
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Gnosis Memorygnosismemory.comwebsite read, tools not yet checked
Persistent, encrypted AI memory shared across Claude, ChatGPT, Cursor and 13+ MCP-compatible clients, with typed memories 7.
official:MCP server · Gnosis Memory
Sources
- 1Mnemoverse Persistent Memory API for AI Agents | Mnemoverse Docsmnemoverse.com · read 2026-10-29
- 3XMemo · Memory OS for AI Agents and MCPxmemo.dev · read 2026-10-29
- 4Memxus — The AI Context Engine for Developersmemxus.com · read 2026-10-29
- 7Gnosis Memory Portable. Encrypted. Efficient.gnosismemory.com · read 2026-10-29
- 11Mnemoverse Memory: declares "memory_stats" (the record we read)github.com · read 2026-10-24
- 13XMemo: declares "Memory Recall" (the record we read and signed)unfragile.ai · read 2026-10-24
- 14memxus: declares "remember" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
memory_stats · Mnemoverse Memory found in code, not yet checked
Get an overview of the stored memory: total count, the number of learned concept associations, the list of domains, and average quality scores. This memory is shared across all AI tools the user has connected to Mnemoverse. Use it to orient yourself, to confirm the exact domain name before writing t
· MnemoDB website read, tools not yet checked
A plain-text, Markdown-compatible memory format for AI agents. Typed entries, a real trust model, and cross-tool portability - a database whose files you can read.
Memory Recall · XMemo verified and signed
Search and recall relevant context across authorized memory.
remember · memxus verified and signed
Save important information to long-term memory. Always set collection when the topic is clear: project work → project:<slug>, personal tastes → personal:preferences. Use append_to to extend an existing memory instead of creating duplicates.
memory_search · Lanonasis MCP Server found in code, not yet checked
Search memories using semantic vector search
· Agentmemory for AI Coding Agents website read, tools not yet checked
Give Claude Code, Codex, Cursor, OpenAI agents, and MCP workflows governed long-term memory for repos, decisions, procedures, and team handoffs.
· Gnosismemory website read, tools not yet checked
Persistent AI memory across every tool you use. Cross-platform, shared collections, structured tasks, encrypted by architecture. Works with Claude, ChatGPT, Cursor, and 13+ MCP-compatible clients.
· YourMemory website read, tools not yet checked
YourMemory gives your AI assistant persistent memory that survives across sessions. 89.4% Recall@5 on LongMemEval. Works with Claude, Cursor, Cline and any MCP client. Open source, self-hostable.
· MNEIA website read, tools not yet checked
MNEIA preserves shared project memory, decisions, constraints, and handoffs so AI-assisted teams can resume work with the right context.
PutStorageConfiguration · AWS IoT SiteWise verified and signed
Configures storage settings for IoT SiteWise.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.