Book: AI That Plans

The series: AI in TypeScript — 5 books, from your first LLM call to agents in production — all five here

My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools

Me: xgabriel.com | GitHub

Your research agent has been searching for the same answer for a while. The model keeps asking for one more lookup, the tool keeps returning something almost useful, and then the whole run throws. No answer, no partial notes, just GraphRecursionError and a message telling you to raise a config key.

In LangGraph.js that limit counts super-steps. It has nothing to do with tokens or wall-clock time, and if you don't set it, the count is 25. In the current source of @langchain/langgraph 1.5.2 that number is a hardcoded constant: const DEFAULT_RECURSION_LIMIT = 25; .…