A Model Context Protocol (MCP) server that exposes tools for exploring and querying SQLite and PostgreSQL databases. It allows Large Language Models (LLMs) to inspect table structures, perform statistical profiling, generate entity-relationship diagrams, and execute queries safely.
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process.env. You'll be asked to provide them before it can run.DB_TYPE— db-type or MCP_DB_TYPE Default database engine type (sqlite, postgres, postgresql)MCP_DB_TYPE— db-type DB_TYPE or Default database engine type (sqlite, postgres, postgresql)DATABASE_URL— connection-string or MCP_DB_CONNECTION_STRING Database connection string (path for SQLite, URI for PostgreSQL)MCP_DB_CONNECTION_STRING— connection-string DATABASE_URL or Database connection string (path for SQLite, URI for PostgreSQL)ALLOW_WRITES— allow-writes Enable write operations (DML/DDL queries). Disabled by default.ALLOWED_DATABASE_DIR— allowed-dir Restricts SQLite database paths to be inside this directory.[](https://m8ven.ai/mcp/arman1o1-mcp-db-explorer-1ebcyt)