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Perseus Vault — persistent, encrypted memory for AI agents MCP Server

io.github.Perseus-Computing-LLC/perseus-vault

Persistent, encrypted, deterministic memory system for AI agents with 173 canonical tools.

What is the Perseus Vault — persistent, encrypted memory for AI agents MCP server?

The Perseus Vault MCP server is a local-first memory system that provides persistent, encrypted, and deterministic storage for AI agents. It offers 173 canonical tools designed to enable agents to reliably store, retrieve, and manage information across sessions.

Perseus Vault gives AI agents a secure, encrypted memory layer that persists across conversations and sessions. Built on local-first principles, it ensures data stays private while providing deterministic behavior for reproducible agent operations. With 173 built-in tools, it supports complex memory management workflows without external dependencies.

How to install Perseus Vault — persistent, encrypted memory for AI agents

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "perseus-vault": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/perseus-computing-llc/perseus-vault:2.23.2",
        "-i",
        "--rm",
        "-v",
        "perseus-vault-data:/data",
        "serve",
        "--db",
        "/data/perseus-vault.db"
      ]
    }
  }
}

Use cases

Store and retrieve conversation context across multiple AI agent sessions
Maintain encrypted knowledge bases and fact repositories for consistent agent behavior
Build deterministic workflows where agent decisions are reproducible based on stored memory
Implement secure multi-turn agent systems with persistent state management
Create audit trails of agent decisions and memory modifications

Perseus Vault — persistent, encrypted memory for AI agents MCP server FAQ

What is Perseus Vault?

Perseus Vault is a local-first memory system for AI agents that provides persistent, encrypted, and deterministic storage. It includes 173 canonical tools for managing agent memory across sessions.

Is it free?

The registry entry does not specify pricing; check the GitHub repository for license and cost details.

How do I install it?

Install via the OCI container image: ghcr.io/perseus-computing-llc/perseus-vault:2.23.2. Configure it in your MCP client (Cursor, Claude, or other MCP-compatible tools) to connect to this container.

Does it require authentication?

The README does not specify authentication requirements; refer to the GitHub repository documentation for setup details.

Is my data encrypted?

Yes, Perseus Vault provides encrypted storage by design, keeping data secure and local to your system.

Can I use it offline?

Yes, Perseus Vault is local-first, meaning it operates without requiring external services or internet connectivity.

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