CrewAI
Text-to-SQL Agent with CrewAI
Build a natural language to SQL agent that converts questions into database queries, validates them, and returns formatted results — using CrewAI.
SQLdatabaseNL2SQLdata
Working Code
from crewai import Agent, Crew, Taskfrom langchain_openai import ChatOpenAIfrom langchain_core.tools import toolfrom langchain_community.utilities import SQLDatabasefrom langchain_community.agent_toolkits import SQLDatabaseToolkit
db = SQLDatabase.from_uri("sqlite:///sales.db", sample_rows_in_table_info=3)toolkit = SQLDatabaseToolkit(db=db, llm=model)sql_tools = toolkit.get_tools()
agent = Agent( role="Specialist", goal="You are a SQL analyst. Convert natural language questions into SQL queries. Only use SELECT statements. Limit results to 10 rows.", tools=sql_tools, llm=ChatOpenAI(model="gpt-4o"),)
task = Task( description="Show me top 5 customers by total spending this quarter", expected_output="Detailed response", agent=agent,)
crew = Crew(agents=[agent], tasks=[task])result = crew.kickoff()print(result.raw)Step by Step
1
Install dependencies
Install CrewAI and the required tools for this use case.
2
Define your tools
Create the domain-specific tool functions your agent will use to interact with external services.
3
Create the agent and run
Initialize the CrewAI agent with your tools, set the system prompt, and execute a query.
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