Database Explorer MCP Server

title: "Database Explorer MCP Server" description: "Query and explore databases through natural language. Built with mcp-framework, this MCP server lets AI assistants run SQL queries, inspect schemas, and analyze data." order: 2 featured: true category: "Data" tags: ["database", "SQL", "schema", "mcp-framework"] keywords: ["MCP database server", "database explorer MCP", "SQL MCP tool", "AI database query"] date: "2025-03-10" author: "Community"

Overview

The Database Explorer MCP Server turns any database into an AI-accessible resource. Built with mcp-framework, it exposes schema inspection, query execution, and data analysis capabilities through the Model Context Protocol.

Your AI assistant can now answer questions like "How many users signed up last week?" by directly querying your database — safely and with full audit logging.

Key Features

• Schema Inspection — Browse tables, columns, indexes, and relationships
• Safe Query Execution — Read-only queries with configurable timeouts and row limits
• Multi-Database — Supports PostgreSQL, MySQL, SQLite, and more
• Data Previews — Smart formatting of results for AI consumption
• Audit Logging — Every query is logged for security and compliance

Supported Databases

| Database | Status | |----------|--------| | PostgreSQL | Fully supported | | MySQL | Fully supported | | SQLite | Fully supported | | SQL Server | Community maintained |

MCP Tools Exposed

| Tool | Description | |------|-------------| | list_tables | List all tables in the connected database | | describe_table | Get column types, constraints, and indexes | | execute_query | Run a read-only SQL query with row limits | | get_sample_data | Preview rows from any table | | explain_query | Get the query execution plan |

Quick Start

npm install -g mcp-framework
mcp create db-explorer
cd db-explorer

Example Conversations

"Show me the schema of the users table."

"How many orders were placed in the last 30 days?"

"What are the top 10 products by revenue this quarter?"

The AI translates natural language into SQL, executes it safely through the MCP server, and presents formatted results.

Security

• All queries run in read-only mode by default
• Configurable query timeouts prevent runaway operations
• Row limits prevent accidentally returning millions of rows
• Connection strings are never exposed to the AI client

See also: Weather Server | API Gateway | Community Stats