A Model Context Protocol server implementation that connects AI assistants to DuckDB, enabling them to query and analyze data from various sources including CSV, Parquet, JSON, and cloud storage through SQL.
AWS S3 region (default: uses AWS_DEFAULT_REGION env var)
Path to DuckDB database file (will be created if doesn't exist)
Use AWS credentials from environment variables
Run in read-only mode (will error if database doesn't exist)
AWS profile for S3 credentials (default: uses AWS_PROFILE or 'default')
Security Notice
Your environment variables and credentials are securely stored and encrypted. LangDB never shares these configuration values with third parties.
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