Caching AI SDK v6 tool results with Redis
Cache AI SDK v6 tool results in Redis by writing a simple, clean TypeScript wrapper. Working code with Upstash Redis and an example tool.
Builds
Everything posted under builds.
How do you store Vercel AI SDK chat history in Redis?
Persist Vercel AI SDK chat history in Redis with onFinish, saveChat, loadChat, and createIdGenerator. Working AI SDK 6 + Upstash Redis code.
Using Redis as a Session Store (2026 Guide)
How to use Redis as a session store: opaque cookie IDs, sliding TTLs, hash-vs-string layout, global revocation, and Redis 7.4 HEXPIRE, with verified @upstash/redis code.
How do I add rate limiting to a Next.js app with Upstash Redis (2026)?
How to rate limit a Next.js 16 app with and Upstash Redis: sliding window vs fixed window, proxy.ts vs Route Handlers, deny lists, costs.
Building a high-speed Bloom Filter with Upstash Redis
Build a Bloom filter on Upstash Redis in ~50 lines of TypeScript using BITFIELD and the Upstash Redis SDK. Sizing math, working code examples, and a measured 1.45% false-positive rate.