Guide Prisma 8 development by selecting task-specific references for data definitions, queries, migrations that change database structure, runtime setup, debugging, and upgrades. Check package versions and generated contract files before proceeding with implementation.
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Use when working in a project that depends on @prisma/orm-postgres, @prisma/orm-sqlite, or @prisma/orm-mongo (Prisma 8, formerly Prisma Next): editing contract.prisma or a contract.ts builder, running `prisma contract emit`, planning or applying migrations, editing migration.ts, writing db.orm / db.sql / db.query queries, wiring db.ts or middleware, integrating a build tool, using the Supabase extension or RLS, or reading a dotted error code such as MIGRATION.HASH_MISMATCH. Use when the user asks "what is Prisma 8", "where do I start", or compares it to another ORM. Use when the user asks to upgrade or bump Prisma 8 in an app or an extension package. Use when you see @internal/* or @prisma/orm-* imports, prisma.config.ts with definePrismaConfig, or contract.json / contract.d.ts. Do not use for Prisma ORM 7 or earlier (schema.prisma + @prisma/client).
安装前可以查看交给 AI 代理的指令内容。
Edit your data contract. Prisma handles the rest.
Prisma 8 moves fast, and your training data about it is very likely outdated. This skill ships inside the installed Prisma packages, so it describes the exact version this project has — treat it and its reference files as the source of truth, over anything you remember about Prisma.
Check these before acting on anything below. Halt on the first one that fails and tell the user what is missing.
prisma.config.ts exports definePrismaConfig({ orm: ... }), and package.json depends on @prisma/orm-postgres, @prisma/orm-sqlite, or @prisma/orm-mongo. A project with schema.prisma and @prisma/client is Prisma 7 or earlier; this skill does not apply to it, and its instructions will break such a project.metadata.library_version in this file's frontmatter with the installed @prisma/orm-* version in package.json. If they differ, run prisma skills sync and re-read this file before continuing.contract.json and contract.d.ts sit next to the contract source named by prisma.config.ts. If they are missing or older than the source, run prisma contract emit first; every query and migration instruction below assumes current artefacts.Import paths in the references. The reference files spell façade imports as @internal/<target>/<subpath> and @internal/extension-<name>/<subpath>. In an application those packages are published as @prisma/orm-<target>/<subpath> (@prisma/orm-postgres/runtime, @prisma/orm-mongo/config, @prisma/orm-sqlite/runtime) and @prisma/orm-extension-<name>/<subpath> (@prisma/orm-extension-pgvector/control). Write the @prisma/orm-* name in user code; the two spellings are the same package. Paths already written as @prisma/orm-* in the references are exact. The metadata.library_version in this file's frontmatter is the version it was published with; if it does not match the project's installed Prisma packages, run prisma skills sync and re-read.
Prisma 8 is a contract-first data layer. This skill routes every Prisma 8 task to the right reference file — open the reference before writing code; do not answer from this file alone.
You author a data contract (a contract.prisma file, or a TypeScript builder). The framework emits machine-readable artifacts (contract.json, contract.d.ts) and gives you two runtime surfaces on SQL targets: a typed SQL query builder (db.sql.<ns>.<table>) and a typed ORM client (db.orm.<ns>.<Model>). On MongoDB targets only the ORM lane exists, and its keys are collection storage names (db.orm.users) rather than PSL model names — references/queries.md § MongoDB ORM addressing covers the rule. Migrations are planned from the contract diff; you review them, optionally edit the migration.ts for data transforms, and apply.
Three steps the user does:
references/contract.md)references/migrations.md)migration.ts and execute it. (references/migrations.md)Everything else — queries, runtime wiring, build integration, debugging, feedback — sits on top of those three.
One cross-cutting migration fact: migration plan does not chain from the newest migration on disk. Its origin is --from, else the db ref, else an empty database — so a project with no ref keeps planning from scratch. Over existing migrations the CLI refuses that (MIGRATION.PLAN_ORIGIN_UNKNOWN) instead of writing a full-create package; choose the exit that matches your intent rather than reflexively passing --from @empty. references/migration-model.md § The trap explains which to choose.
Open the reference whose triggers match the task. If more than one matches, open each — they are written to compose.
| Task | Reference | Triggers |
|---|---|---|
| Adopt / set up / first steps | references/quickstart.md | new project, existing database, "what can I do with Prisma 8", "where do I start", "just ran createprisma", npx create-prisma, first steps, first query, prisma orm init greenfield setup, contract infer + db sign brownfield adoption, connect-write-read first arc, day-to-day commands (contract emit, db init, db update, migration plan, db migrate, db schema, db verify), flags --target / --authoring / --schema-path / --probe-db / --output |
| Edit the data contract | references/contract.md | schema, models, fields, attributes, relations, indexes, enums, value objects (composite types), type aliases, namespaces (Postgres schemas), cross-contract foreign keys (cross-space FK), polymorphic types (@@discriminator / @@base), extension namespaces (pgvector.Vector(...), postgis.Geometry(...)), prisma.config.ts / definePrismaConfig / ormConfig, prisma contract emit, PSL, contract.prisma, contract.ts, contract.json, contract.d.ts, @internal/postgres/config, @internal/postgres/contract-builder, @internal/mongo/config, extensions:, pgvector, postgis, paradedb, Temporal / temporal-polyfill / RUNTIME.TEMPORAL_UNAVAILABLE, @@control, control policy (managed / tolerated / external / observed), soft delete, validations, callbacks |
| Author migrations | references/migrations.md | db update vs migration plan, db migrate, migration new, migration show, db update --dry-run, db verify, db sign, data migration, dataTransform, placeholder sentinels in framework-rendered migration.ts, MIGRATION.HASH_MISMATCH, MIGRATION.UNFILLED_PLACEHOLDER, data-loss questions (--delete, --rename, --allow, CLI.CONSENT_REQUIRED), schema drift |
| Migration graph, refs, plan origin | references/migration-model.md | migration graph, refs, migration ref set / list / delete, the db ref, --advance-ref, --no-advance-ref, migration plan --from, from: (baseline) in plan output, greenfield / from-scratch plan, baseline, first migration before deploy (Composer / CD-managed databases), chaining migrations, retrofitting migrations onto an existing database, MIGRATION.HASH_NOT_IN_GRAPH, MIGRATION.PATH_UNREACHABLE at plan/chain time |
| Review migrations on deploy | references/migration-review.md | "what migrations are going to run", "what runs on deploy / merge", merge conflict, diamond convergence, concurrent migrations, migration status, ref management for CI, staging / production environment refs, MIGRATION.MARKER_NOT_IN_HISTORY, MIGRATION.MISSING_INVARIANTS, db migrate --show |
| Write queries | references/queries.md | query, where, select, project, orderBy, limit, offset, take, skip, include, lookup, first, all, count, aggregate, groupBy, create, update, delete, upsert, returning, transaction, db.orm, db.sql, runtime.query(plan) vs runtime.execute(plan), db.prepare / prepared statements, streaming / for await, many-to-many include and nested connect, and / or / not from @prisma/orm-postgres/orm-client, db.query.from(...) (Mongo pipeline), namespace-aware accessors, .all() Thenable, single-use iterators (RUNTIME.ITERATOR_CONSUMED), target-declared aggregate types (count, integer sum, and integer avg are number; count and integer sum throw outside ±(2^53 − 1) rather than round, while avg is a fraction already and carries no guard; countBigInt / sumBigInt / avgDecimal are the lossless forms, avgDecimal on PostgreSQL only), custom collection class (extends Collection), with and query fragments (QueryFragment, Filtered, Ordered), shared query fragments and scopes (db.orm.fragment(fields, body) for a filter on every model with given fields, CodecField, db.orm.public.Post.fragment(...) for a shared select / include, orderByField for an order or sort parameter from a request), drizzle-style, kysely-style. Naming types (§ Naming model and result types): "type of my model", "return type of a query", ResultType, Scalars, Shape, models / Models namespace in contract.d.ts, Models.public_User, Prisma 7 Prisma.User / GetPayload / UserGetPayload equivalents. Postgres/SQLite specifics: references/queries-postgres.md; Mongo specifics: references/queries-mongo.md |
| Wire the runtime | references/runtime.md | db.ts, postgres<Contract>(...) / sqlite<Contract>(...) / mongo<Contract>(...) façades, middleware composition (lints, budgets, cache via @prisma/orm-extension-middleware-cache, custom activityEnded middleware, @prisma/orm-postgres/family-runtime), DATABASE_URL, .env, connection pool / poolOptions, dev vs prod config, transactions, read replicas, multi-database, script won't exit / hangs, db.close / pool.end, await using / [Symbol.asyncDispose] |
| Build-tool integration | references/build.md | Vite plugin (@internal/vite-plugin-contract-emit, Vite 7/8), vite.config.ts, contract emit on save, HMR / dev server, Next.js / Webpack / esbuild / Rollup / Turbopack (named gaps, not fabricated) |
| Supabase | references/supabase.md | @internal/extension-supabase, RLS, row level security, policies (policy_select / policy_update / @@rls, auth.uid()), role binding (asUser(jwt) / asAnon() / asServiceRole()), auth.users, cross-space FKs to supabase:auth.AuthUser, JWT / JWKS (SUPABASE_JWKS_URL, SUPABASE_JWT_SECRET), SUPABASE.JWT_INVALID, SUPABASE.CONFIG_INVALID, RoleBoundDb, session pooler |
| Debug an error | references/debug.md | any structured error envelope (code, severity, why, fix, nextActions, meta), emit failed, query won't typecheck, query crashed, migration won't apply, MIGRATION.HASH_MISMATCH, MIGRATION.RUNNER_FAILED, BUDGET.ROWS_EXCEEDED, BUDGET.TIME_EXCEEDED, RUNTIME.ABORTED, RUNTIME.TEMPORAL_UNAVAILABLE, PLAN.HASH_MISMATCH, CONTRACT.MARKER_MISSING, CONFIG.* / CLI.* / CONTRACT.* / MIGRATION.* / ORM.* / RUNTIME.* codes, legacy PN-* codes, exit code 4 findings, drift, capability missing, planner conflict, EXPLAIN, query log, script won't exit / close connection |
| Upgrade Prisma in an app | references/upgrade-app.md | "upgrade Prisma", "upgrade Prisma 8", "bump Prisma 8", "move to Prisma 8 X.Y", @internal/* version bump in an application, per-transition upgrade instructions in upgrading/app/upgrades/, extension-pin pre-flight, PN-UPGRADE-* |
| Upgrade Prisma in an extension | references/upgrade-extension.md | the same request in a package that is a Prisma extension (@internal/contract / SPI dependency, ^@.*/extension- name), prisma-8-check-pins, exact-pin rule, per-transition instructions in upgrading/extension/upgrades/ |
| File feedback / ask the team | references/feedback.md | bug report, file an issue, feature request, missing feature, capability gap, "this is broken", surprising behaviour, Q&A / design discussion, ask the Prisma team, Prisma Discord (pris.ly/discord), extension-author questions |
If the task clearly matches a row, open that reference directly without asking.
For a vague prompt, ask one disambiguating question. Pick from:
references/quickstart.md (first-touch orientation path).references/quickstart.md.references/contract.md vs the others.references/migrations.md vs references/migration-review.md. If it's about where a plan starts, refs, or an unexpected from-scratch plan → references/migration-model.md.db.ts and middleware at runtime?" → references/build.md vs references/runtime.md.references/debug.md.references/feedback.md.references/upgrade-app.md vs references/upgrade-extension.md.If you still can't tell which reference applies, ask the user what they want to do. Do not guess.
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Review and rewrite architecture decision records, documents that explain design choices, from a newcomer’s perspective. Identify missing context, buried decisions, and temporary details, then reorganize each document so future readers can follow the reasoning.
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Refactor TypeScript code that handles several variants in multiple places using frozen classes and a Visitor interface, which defines a handler for each variant. This helps type checking expose missing handlers when new variants are added.
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Update Biome packages with pnpm, align configuration filenames and schema versions across the repository, and run the configured checks and fixes. Receive a report of remaining issues, with optional further fixes subject to agreement.
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Prepare and open a pull request for an external contribution to prisma/orm. Check contribution rules, change scope, tests, and contributor signoffs, then draft the title and explanation for approval before submitting from a fork.
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Create GitHub pull requests for Prisma 8 with Linear ticket IDs in their titles. Turn branch changes into a clear description covering concrete examples, design decisions, behavior changes, and testing evidence for reviewers.
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Draft Prisma 8 release notes from merged PRs since the previous published release. Select user-facing changes, put breaking changes first, link migration guidance and PR evidence, and mirror the notes in CHANGELOG.md.
中文简介正在准备中。当前显示英语简介。