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LangGraph basics: StateGraph and edges v1.0.0

Use this resource to build a typed and correct LangGraph StateGraph

New

  • 461 downloads
  • 125 likes
  • 163 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install langgraph-state-graph-basics

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent defines state as a TypedDict with reducers, writes nodes and conditional edges with a fallback path to END, then compiles the graph with a checkpointer. You get a graph that does not halt silently.

Mostly picked by

Updated November 2, 2026

Card for the “LangGraph basics: StateGraph and edges” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md : steps to define state, nodes and edges
  • references/first-graph-walkthrough.md : walkthrough of a first graph
  • references/recursion-limits.md : recursion limits

Good fit for

  • You are writing your first StateGraph
  • Your graph halts without reaching END

Not for

    Tags

    • langgraph
    • state graph
    • conditional edges

    About

    You say

    “Write a three-node StateGraph with a conditional edge and a fallback to END.”

    Card for the “LangGraph basics: StateGraph and edges” skill

    Skill published by Jeremy Longshore <jeremy@intentsolutions.io> under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to build a typed and correct LangGraph StateGraph
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/conditional-edges.md5.1 KB
    • references/first-graph-walkthrough.md6.6 KB
    • references/one-pager.md2.7 KB
    • references/recursion-limits.md5.1 KB
    • references/state-reducers.md5 KB
    • SKILL.md13.4 KB

    Origin and licence

    Listed unmodified

    Author
    Jeremy Longshore <jeremy@intentsolutions.io>
    Source
    github.com/jeremylongshore/tons-of-skills-marketplace/tree/ab85a061f7bcc039dac13ee193de7a4cd4388571/skills/.curated/langchain-langgraph-basics
    Licence
    MIT

    Notice

    « langchain-langgraph-basics » (Jeremy Longshore <jeremy@intentsolutions.io>, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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