AI2SQL
SQL Query Builder & Generator - AI Powered Database Assistant
What is AI2SQL?
AI2SQL is an AI-powered SQL query builder and database assistant that generates, explains, fixes, optimizes, and runs SQL queries on live database schemas. It supports multiple database dialects and includes a governed MCP endpoint for AI agents.
SpecificationsAI-estimated
Key Features of AI2SQL
Use Cases for AI2SQL
Data Analyst
Prompt in English, get correct joins and column names, run and see rows without leaving the page.
Backend Developer
Paste existing SQL for explanation, optimization, and dialect-specific fixes.
Data Engineer
Work with six databases and six dialects in one place.
AI Agents
Provide governed MCP access for agents to query data safely with read-only enforcement and logging.
Learning SQL
Get explanations with every generated query to understand the reasoning.
How to use AI2SQL?
Connect
Provide read-only credentials for your database.
Ground
AI2SQL builds a semantic layer from your schema (tables, joins, business terms).
Answer
Describe what you need, get SQL, run it, or call via MCP/REST.
Pros & Cons of AI2SQL
Pros
- Connects directly to your live database schema for accurate column names and joins
- Supports 10+ databases (PostgreSQL, MySQL, SQL Server, Oracle, Snowflake, BigQuery, Redshift, MongoDB, SQLite, Firebird)
- Read-only by default with sqlGuard to block unsafe operations
- Includes query generation, explanation, optimization, fixing, formatting, and execution
- Offers MCP endpoint for AI agents and a desktop app for local databases
- Team features with query library, role-based access, and advanced analytics
Cons
- Requires a credit card for the 7-day free trial (though $0 charged during trial)
- Free tier is limited to 100 queries per month (and actually says 'Free tier · 100 queries · no credit card' at the bottom, which may be a separate tier or inconsistency)
- Query generation requires a connection to their API (not fully offline)
- Pricing may be high for occasional users
Frequently Asked Questions
Is there a free trial and do you need my card?
Every plan starts with a 7-day free trial. $0 charged today, but a card is required. Cancel in one click before trial ends.
Is my database safe?
Read-only enforced. sqlGuard blocks INSERT, UPDATE, DELETE, DROP, DDL, multi-statement input, and file-reading functions. Credentials encrypted, queries logged.
Can it read my own schema?
Yes. AI2SQL uses your real tables, columns, and relationships to write SQL that matches your schema.
Which databases are supported?
PostgreSQL, MySQL, SQL Server, Oracle, Snowflake, BigQuery, Amazon Redshift, MongoDB, SQLite, Firebird.
How is this different from ChatGPT?
ChatGPT is fine for one-off queries on a pasted schema. AI2SQL knows your live schema, emits the correct dialect, runs queries, enforces read-only, and exposes to agents via MCP.
Is there an API and can my AI agent use it?
Yes, REST API and a governed MCP endpoint compatible with Cursor, Claude, ChatGPT in developer mode, or your own agent.
Does it work offline or on the desktop?
There is a desktop app for Windows and macOS on Pro plan to reach localhost/private databases. Query generation still requires a connection to AI2SQL API.
Pricing Overview
View full pricing →AI2SQL offers three paid subscription plans—Start, Pro, and Team—with monthly or annual billing and a 7-day free trial.
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