sql-guardrails

Circuit breaker for production PostgreSQL. Native extension that can ALLOW, WARN, or BLOCK dangerous SQL based on live database state. Apache 2.0.

EvoSchema is a phase-based database evolution runner (Pre-DDL / DML / Assert / Post-DDL) for code-driven schema and data changes across multiple datasources. It solves the consistency challenge when multiple microservices need to evolve their own databases during a major release—without cross-service distributed transactions.

Organization profile for PG Circuit (pgcircuit.com)

Operations analytics copilot prototype with FastAPI, PostgreSQL, n8n orchestration, guarded read-only SQL, KPI analysis, and report exports.

Chat-to-SQL with read-only guardrails: the model proposes SQL, deterministic code validates it (SELECT-only, allow-listed tables, limits, timeouts, read-only role) and logs every query. Includes an MCP server for Claude.