langchain-langgraph-subgraphs
Compose LangGraph 1.0 subgraphs correctly \u2014 shared state key propagation,\n\ Send / Command(graph=...) dispatch, callback scoping, per-subgraph recursion\nbudgets,\ \ and testing each subgraph in isolation. Use when building a planner +\nexecutor,\ \ a nested agent team, or a reusable subgraph library. Trigger with\n\"langgraph\ \ subgraph\", \"langgraph composition\", \"langgraph send\",\n\"nested agents\"\ , \"langgraph state propagation\", \"Command(graph=...)\",\n\"langgraph subgraph\ \ callbacks\".\n"
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill langchain-langgraph-subgraphs --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# LangGraph Subgraphs and Composition (Python) ## Overview A parent `StateGraph` invokes a compiled child subgraph as a node. The child node writes `state["answer"] = "42"` and returns. The parent's next node reads `state["answer"]` and gets `None`. No error, no warning, no deprecation notice — just a silent `None` that surfaces as a wrong answer three nodes later when the router picks the "couldn
What does the langchain-langgraph-subgraphs skill do?
Compose LangGraph 1.0 subgraphs correctly \u2014 shared state key propagation,\n\ Send / Command(graph=...) dispatch, callback scoping, per-subgraph recursion\nbudgets,\ \ and testing each subgraph in isolation. Use when building a planner +\nexecutor,\ \ a nested agent team, or a reusable subgraph library. Trigger with\n\"langgraph\ \ subgraph\", \"langgraph composition\", \"langgraph send\",\n\"nested agents\"\ , \"langgraph state propagation\", \"Command(graph=...)\",\n\"langgraph subgraph\ \ callbacks\".\n"
How do I install it?
Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill langchain-langgraph-subgraphs --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From jeremylongshore/claude-code-plugins-plus-skills, a repository with 2,596 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.