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convex

authentic

Convex reactive backend expert: schema design, TypeScript functions, real-time subscriptions, auth, file storage, scheduling, and deployment.

When to use

• Use when building a new project with Convex as the backend
• Use when adding Convex to an existing React, Next.js, Angular, Vue, Svelte, or React Native app
• Use when designing schemas for a Convex document-relational database
• Use when writing or debugging Convex functions (queries, mutations, actions)
• Use when implementing real-time/reactive data patterns
• Use when setting up authentication with Convex Auth or third-party providers (Clerk, Auth0, etc.)
• Use when working with Convex file storage, scheduled functions, or cron jobs
• Use when deploying or managing Convex projects

When not to use

• Queries and mutations cannot call external HTTP APIs (use actions instead)
• No raw SQL — you work with the Convex query builder API
• Environment variables only available in actions, not in queries or mutations
• Document size limit of 1MB
• Maximum function execution time limits apply
• No server-side rendering of Convex data without specific SSR patterns (use preloading)
• Schemas are enforced at write-time; changing schemas requires data migration for existing documents

Skill page

Source