PG Circuit puts a circuit breaker inside PostgreSQL

Field notes

The visible quickstart uses Docker Compose or PGXS, preloads the library, creates the extension, and deliberately tests a DELETE without a WHERE clause before leaving production in warn mode. The homepage also shows a sample decision that combines an 89/100 risk score with estimated rows, 18.2 seconds of replication lag, and two long transactions. Community is listed under Apache 2.0, while richer policies and fleet controls are attributed to paid tiers.