ArcadeDB is a Multi-Model DBMS designed for high performance, capable of handling millions of records per second with minimal resource usage. It supports various data models including graph, document, key/value, and time series.
From the registry: Built-in MCP server for ArcadeDB multi-model database (graph, document, vector, time-series)

This server lives in a monorepo. The README covers the whole collection, so we can't extract a single canonical install. ArcadeDB is a multi-model DBMS that ships with a built-in MCP server as one feature among many. README describes the overall DBMS product, not standalone MCP install.
arcadedb.server.rootPasswordrequiredRoot password for the ArcadeDB server.arcadedb.server.defaultDatabasesrequiredDefault databases to be imported on server startup.Minimal, token-efficient Database MCP Server for PostgreSQL, MySQL, SQL Server, SQLite, MariaDB