QueryShield

Secure SQL proxy for AI agents with natural language to SQL translation, AST safety checks, per-agent row-level security, and audit logging.

QueryShield is a secure SQL proxy that sits between AI agents and your database. It translates natural language queries to SQL, applies AST-based safety checks to block dangerous operations, enforces per-agent row-level security policies, and maintains a full audit log. Requires a QUERYSHIELD_API_KEY for authentication.