database-migrations

database-migrations is a cursor rule for Cursor from BetterTyped/hype-stack. It costs 25 tokens per session (346 once invoked), scanned A, original, MIT.

A set of project rules for changing a database schema with Prisma. A database migration is a recorded change that updates database structure while keeping application code and databases in sync.

In plain words
What is it for?
Use it whenever changing schema.prisma or another part of the database structure.
Why use it?
It reduces the risk of changing the schema without creating the required migration, regenerating the Prisma client, or synchronising the test database.

Cursor rule for Cursor

Written for Cursor: installed under .cursor/.

Good fit Use it whenever changing schema.prisma or another part of the database structure.

Compare 6 cursor rules from other repositories ↓
Install with agentmods
npx agentmods add rules/bettertyped/hype-stack/database-migrations
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/BetterTyped/hype-stack

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for database-migrations

README.md
[![agentmods](https://agentmods.dev/badge/rules/bettertyped/hype-stack/database-migrations/github.svg)](https://agentmods.dev/rules/bettertyped/hype-stack/database-migrations)
Your own site
<a href="https://agentmods.dev/rules/bettertyped/hype-stack/database-migrations"><img src="https://agentmods.dev/badge/rules/bettertyped/hype-stack/database-migrations/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for database-migrations

Your own site · 80×15
<a href="https://agentmods.dev/rules/bettertyped/hype-stack/database-migrations"><img src="https://agentmods.dev/badge/rules/bettertyped/hype-stack/database-migrations.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 346 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00025 $0.00346
Opus 5.5 $0.00010 $0.00138
Sonnet 5.5 $0.00005 $0.00069
Haiku 4.5 $0.00003 $0.00035

Measured 1mo ago against content hash c1f4878a17fc, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

database-migrations scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/rules/database-migrations.mdc · 22 lines

What it actually says

Database Migrations

Schema changes follow one workflow. All commands run in apps/backend (or via pnpm --filter @hype-stack/backend <script>).

  1. Edit schema.prisma — the single source of truth for database structure.
  2. Create the migration: pnpm migration:create (runs prisma migrate dev — prompts for a name and applies it to the dev DB).
  3. Regenerate the client: pnpm generate (Prisma client + message compilation + type declarations).
  4. Sync the test database before running integration tests: pnpm test:setup (starts the test Docker services, applies migrations, regenerates the client against the test DB). Use pnpm test:clean to tear it down.

Rules

  • Never edit an already-applied migration file — create a new migration instead.
  • Never change the database schema outside a migration (no manual SQL against dev/prod).
  • Deploying migrations uses pnpm migration:latest (prisma migrate deploy); pnpm migration:reset and pnpm rebuild-db are destructive dev-only resets.
  • Remember the ORM split: Prisma owns schema and inserts, Kysely owns query building — a schema change usually touches both the Prisma schema and the Kysely types generated from it.
  • After a schema change, update the affected db/queries / db/mutations functions and their integration tests in the same change.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 22 lines · 25 tokens per session scan A c1f4878a17fc

Subscribe to this mod's changes

database-migrations is a cursor rule published in the GitHub repository BetterTyped/hype-stack (12 stars, last pushed 15d ago), licensed MIT. It adds 25 tokens to every session and 346 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.