Convex + TanStack Start

Overview

This skill provides guidance for building reactive, real-time full-stack applications using Convex (reactive backend-as-a-service) with TanStack Start (full-stack React meta-framework). The stack provides live-updating queries, type-safe end-to-end development, SSR support, and automatic cache invalidation.

When to Use This Skill

• Implementing Convex queries, mutations, or actions
• Setting up or troubleshooting Better Auth authentication
• Configuring TanStack Router routes and loaders
• Writing schema definitions and indexes
• Implementing data fetching patterns (useQuery, useSuspenseQuery)
• Working with file storage, scheduling, or cron jobs
• Building AI agents with @convex-dev/agent
• Debugging SSR or hydration issues

Quick Reference