rule
Test Database Limitations
Test databases created via withDevDatabase() from @prisma next/test utils use pglite (an in memory PostgreSQL implementation via @prisma/dev ). Pglite does not support PostgreSQL extensions like pgvec
Set up
Skills are installed by placing their folder where your agent loads skills.
The download comes from github.com/prisma/prisma-next itself, not from our server, so what you get is exactly what its author published. The ZIP holds the whole collection; take the folder .agents/rules/test-database-limitations.mdc out of it for Test Database Limitations.
Part of the collection prisma/prisma-next.
Copy the text of test-database-limitations.mdc into the instructions file your agent reads (CLAUDE.md, AGENTS.md, .cursor/rules, …). Written for AI coding agents in general (from where the project keeps it; we have not run it).