sqlens-mcp

MCP Tools and AgentsFreeOpen Source

Read-only MCP server giving AI agents schema inspection and safe SELECT/EXPLAIN access to Postgres, MySQL and SQLite.

🛡️ AgentReady threat assessment

MAESTRO 7-layer threat model + OWASP AIVSS risk score for sqlens-mcp, derived from its capabilities.

AIVSS 6.3 · Medium

Overview

sqlens-mcp connects an AI assistant to local development databases (Postgres, MySQL, SQLite) over a read-only surface. Tools inspect schemas, run SELECT queries and explain query plans without leaving the conversation. Security surface: a DEVDB_URL connection string with database credentials and the risk of prompt-injected queries scraping data through the read path.

Key features

Read-only SELECT/EXPLAIN over Postgres, MySQL, SQLite
Schema and table metadata discovery
Query-plan explanation for tuning
Single DEVDB_URL connection config

Use cases

Let an agent explore a dev database schema
Safely answer analytics questions over app data