Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents
MCP server · by Perseus-Computing-LLC
Local-first MCP memory server: SQLite, FTS5 and vector search, AES-256-GCM. 55 tools, no cloud.
Install
Run one of the commands below, then add the client config underneath.
docker run -i --rm ghcr.io/perseus-computing-llc/perseus-vault:2.15.0About this server
Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents is listed in the Knowledge & Memory category of the MCPNav directory. It is distributed as Docker and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents MCP server?＋
Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents is an MCP server by Perseus-Computing-LLC. Local-first MCP memory server: SQLite, FTS5 and vector search, AES-256-GCM. 55 tools, no cloud.
How do I install Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents?＋
Install it with: docker run -i --rm ghcr.io/perseus-computing-llc/perseus-vault:2.15.0. Then add the JSON config to your client's MCP settings and restart the client.
Is Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/Perseus-Computing-LLC/perseus-vault. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Perseus Vault (formerly Mimir/Mneme), persistent memory engine for AI agents?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.