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Next.js 15 guides for self-hosted AI SaaS: Docker, Caddy, Auth.js, Stripe, LangGraph, pgvector, and Hetzner cost.
4 posts in LangGraph & Agents
28 Oct 2026 · LangGraph & Agents
Tool Calling with the Vercel AI SDK in Next.js 15
Dynamic model routing across OpenAI and Anthropic, tools the model can call, and the same client stream you already use for chat.
Read28 Oct 2026 · LangGraph & Agents
Fixing SSE Connection Drops Behind Reverse Proxies for LLM Chains
Why LangGraph streams die at 60s or 100s on NGINX, Cloudflare, and idle timeouts, and which timeouts to raise after you already disabled buffering.
Read28 Oct 2026 · LangGraph & Agents
Streaming Multi-Agent Workflows with LangGraph.js in Next.js 15
Supervisor to worker StateGraph, streaming intermediate reasoning over SSE, and why App Router Route Handlers beat a single chat completion.
Read28 Oct 2026 · LangGraph & Agents
Human-in-the-Loop AI Agents in Next.js, Checkpoints and Approval Gates
Why a production agent must pause before it sends email or spends money, how LangGraph stores that pause in PostgreSQL, and how an Approve button resumes the same thread.
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