Langchain Langgraph Subgraphs

Quality score: 70/100 · Category: Engineering · Sub-category: testing

Compose LangGraph 1.0 subgraphs correctly — shared state key propagation, Send / Command(graph=...) dispatch, callback scoping, per-subgraph recursion budgets, and testing each subgraph in isolation. Use when building a planner + executor, a nested agent team, or a reusable subgraph library. Trigger with "langgraph subgraph", "langgraph composition", "langgraph send", "nested agents", "langgraph state propagation", "Command(graph=...)", "langgraph subgraph callbacks".

What this skill does

Langchain Langgraph Subgraphs is a production-ready Claude Code skill (quality score 70/100) in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/langchain-langgraph-subgraphs/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when building a planner + executor, a nested agent team, or a reusable subgraph library. Trigger with "langgraph subgraph", "langgraph composition", "langgraph send", "nested agents", "langgraph state propagation", "Command(graph=.

Who uses this skill

The Langchain Langgraph Subgraphs skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/langchain-langgraph-subgraphs
curl -L https://claudskills.com/skills/langchain-langgraph-subgraphs/SKILL.md \
  -o ~/.claude/skills/langchain-langgraph-subgraphs/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/langchain-langgraph-subgraphs/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/langchain-langgraph-subgraphs/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\langchain-langgraph-subgraphs\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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