Agentic Blueprints 3

English question to validated SQL to a plain-language answer. Planner, Analyst, Critic, Writer.

SQL Agent

io.github.langchain-ai/sql-agent-tutorial

LangGraph

An agent that explores a database's schema, writes a query, double-checks it with a dedicated checker step, and recovers from execution errors.

Dry-runs a proposed SQL migration, checks it for locks and cost, and branches: safe ones get a green note, risky ones get a blocking report.