Serverless Redis. Rechecked: Free $0; PAYG $0.2/100K commands; Fixed from $10. Not a Kafka-only unpriced kit.

Postgres vector extension. Rechecked: PostgreSQL license, 22,651 stars. Not a Faiss wrapper. No hosted dollar seat.

Open relational DB. Rechecked: PostgreSQL License, 21,814 stars, 18.6 current. Not a leftover BSD slogan page.

Managed vector DB. Rechecked: Starter Free; Builder $20; Standard $50 min; Enterprise $500 min. Not an unpriced ML toolkit.

Oracle relational DB. Rechecked: Community GPLv2, 12,382 stars, 26.7.0 tree. Not a leftover social-media origin story.

Serverless Postgres. Rechecked: Free $0; Launch and Scale are usage-based. Auth/storage/functions are beta extras.

Open Firebase alternative. Rechecked: Free $0; Pro from $25; Team from $599. Auth/storage shipped; not still-in-development.

Distributed search engine. Rechecked: 77,791 stars, AGPL/SSPL/Elastic License; Cloud trial + VCU units. Not leftover 8.0-only.

Query comprehensive food nutrition database for nutritional information, portion sizes, and meal planning.

Execute safe read-only SQL queries against PostgreSQL databases with multi-connection support and defense-in-depth security.