Memory Vault

stdio

Local-first AI memory layer with hybrid search. Postgres + pgvector. Self-hosted, MIT.

Getting Started

npx @getmcp/cli add io.github.MihaiBuilds/memory-vault

Requires Docker Engine. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

DB_HOST
Hostname of the Postgres+pgvector instance Memory Vault connects to (e.g. 'host.docker.internal' when Postgres runs on the host, 'localhost' when running natively, or the service name when both run in compose)
DB_PORT
Postgres port
DB_NAME
Postgres database name
DB_USER
Postgres user with read/write access to the memory vault database
DB_PASSWORD
Postgres password for DB_USER

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.MihaiBuilds/memory-vault": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "DB_HOST",
        "-e",
        "DB_PORT",
        "-e",
        "DB_NAME",
        "-e",
        "DB_USER",
        "-e",
        "DB_PASSWORD",
        "ghcr.io/mihaibuilds/memory-vault-mcp:1.0.6"
      ],
      "env": {
        "DB_HOST": "",
        "DB_PORT": "5432",
        "DB_NAME": "memory_vault",
        "DB_USER": "memory_vault",
        "DB_PASSWORD": ""
      }
    }
  }
}

Claude Desktop MCP documentation