permix

Development

Applies Permix authorization once a schema exists: permix.check() paths and ReBAC callbacks, frontend bindings (permix/react, permix/vue, permix/solid, permix/svelte) with SSR dehydrate/hydrate for Next.js and TanStack Start, and server middleware (permix/express, hono, fastify, trpc, orpc, node, elysia). Use for anything past initial setup — checking permissions, gating UI, or protecting routes. For creating the schema and first `permix.setup()`, use permix-getting-started first.

QUICK START

How to use this skill

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Source SKILL.md: https://github.com/letstri/permix/blob/HEAD/permix/skills/permix/SKILL.md

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Permix — check, frontend, server

Assumes a permix instance already exists (see permix-getting-started). Load the reference file that matches the task instead of reading everything:

Task	Reference
`permix.check()` paths, callbacks, `~all`/`~any`, ReBAC/ABAC with entity data, `isReady`	references/check.md
React, Vue, Solid, or Svelte UI — `PermixProvider`, `usePermix`, `createComponents`, SSR `dehydrate`/`hydrate` for Next.js / TanStack Start	references/frontend.md
Protecting Express, Hono, Fastify, tRPC, oRPC, Node, or Elysia routes — `setupMiddleware`, `checkMiddleware`	references/server.md

Rules that apply everywhere

Authorization must run on the server. Client-side check (React/Vue/Solid/Svelte) is UX only — mirror every path with checkMiddleware in references/server.md.
Use the same schema and path strings (post.update, not ad-hoc strings) across client hooks and server middleware, or types and behavior drift apart.
check before isReady throws PermixNotReadyError — gate UI with isReady/isReadyAsync, and call setupMiddleware before checkMiddleware on the server.
SSR hydrate alone is not enough. It only restores booleans; call setup again on the client for function-based/ReBAC rules — see the SSR section of references/frontend.md.