Last updated 08-30-2026
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SQL query builder
AI2SQL is a text-to-SQL assistant that turns plain English into queries you can run against real databases. You connect PostgreSQL, MySQL, SQL Server, Snowflake, BigQuery, or one of six other engines, describe the result you want, and get dialect-aware SQL that uses your actual table and column names. The same browser workspace explains inherited queries, rewrites slow ones, fixes syntax errors, and formats code before you ship it.
General chat assistants can draft SQL if you paste a schema, but they cannot see whether the answer is right. AI2SQL reads your live connection, targets the dialect you picked, runs read-only statements through sqlGuard, and returns rows on the page. Teams wiring Cursor or Claude into production also get a governed MCP gateway where writes are blocked in the request path and every query is logged under a revocable key.
Data analysts use it when they know the business question but not the join path. Backend developers paste failing or slow queries and get fixes grounded in the real schema. Data engineers juggling multiple dialects keep one interface for generation, optimization, and execution. The desktop Connector covers databases on localhost or private networks without exposing credentials to the cloud.
Start plan includes 100 SQL queries per month; Pro removes the monthly cap
Connectors for PostgreSQL, MySQL, SQL Server, Oracle, Snowflake, BigQuery, Redshift, MongoDB, SQLite, and Firebird
Governed MCP gateway exposes run_query, describe_schema, and list_connections for Cursor and Claude
sqlGuard blocks INSERT, UPDATE, DELETE, and DDL before statements reach your database
Team plan includes 5 users with a shared query library and role-based access control
Desktop Connector for Windows, macOS, and Linux keeps local credentials on your machine
Ten database connectors with read-only defaults and sqlGuard enforcement on live connections.
Governed MCP gateway with per-key metering, audit logs, and write blocking for agent workflows.
Full query lifecycle in one UI: generate, explain, optimize, fix, format, and execute.
Desktop Connector keeps local credentials on your machine for private-network databases.
Team tier shares a query library across five seats with role-based access control.
Start plan caps usage at 100 SQL queries per month; unlimited requires Pro at $19 per month.
Query generation still needs a connection to the AI2SQL API even when using the desktop Connector.
Connector builds are not code-signed yet, so first launch needs extra steps on macOS and Windows.
Team plan includes only five users before you need a higher tier.
Is my database safe with AI2SQL?
Yes. SQL query builder (AI2SQL) connections are read-only by default. sqlGuard classifies every statement and blocks INSERT, UPDATE, DELETE, DDL, multi-statement input, and risky functions before execution. Credentials are encrypted, queries are logged, and API keys can be revoked at any time.
Which databases does AI2SQL support?
SQL query builder supports PostgreSQL, MySQL, SQL Server, Oracle, Snowflake, BigQuery, Amazon Redshift, MongoDB, SQLite, and Firebird through live connectors. The AI2SQL browser toolbox also generates, explains, optimizes, and fixes SQL for additional dialects when you pick a target engine.
How is AI2SQL different from ChatGPT for SQL?
ChatGPT can draft one-off SQL from a pasted schema. SQL query builder reads your live tables and columns, emits the dialect for your connected database, runs governed read-only queries, returns result rows, and exposes the same controls to agents through an MCP endpoint with per-key logging.
Does AI2SQL offer a free trial?
Yes. Every paid plan on SQL query builder starts with a 7-day free trial with $0 charged on day one, though a card is required to begin. The Start plan is $9 per month and includes 100 SQL queries per month after the trial.
Can AI agents query databases through AI2SQL?
Yes. SQL query builder provides a governed MCP endpoint and REST API that Cursor, Claude Code, Claude Desktop, and ChatGPT in developer mode can call. Agent keys are scoped, metered, read-only by default, and every run_query call is logged.
Does AI2SQL work with local databases?
Yes. SQL query builder's Connector desktop app runs on Windows, macOS, or Linux where your database lives, reads schema locally, and sends only your question and table names for generation. Pro includes the desktop app for MySQL, PostgreSQL, and SQL Server on localhost or private hosts.