M3 Memory
Local-first memory — 100+ tools, 99.2% LongMemEval-S retrieval@10, hybrid search, GDPR, no cloud.
Install
PyPIstdio
uvx m3-memory Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-skynetcmd-m3-memory": {
"command": "uvx",
"args": [
"m3-memory"
]
}
}
} Source: official MCP Registry record · registry name io.github.skynetcmd/m3-memory · published 2026-09-17 · updated 2026-09-17. Not an endorsement; review the code before connecting it to anything sensitive.