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LangGraph subgraphs in Python v1.0.0

Use this resource to compose LangGraph subgraphs without losing state

New

  • 481 downloads
  • 181 likes
  • 229 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install langgraph-subgraph-composition

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 declares the shared-state contract between parent and child, picks the dispatch pattern (Send or Command) and places callbacks where they belong. You get reusable subgraphs, each tested in isolation.

Mostly picked by

Updated November 2, 2026

Card for the “LangGraph subgraphs in Python” skill

Details

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

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What you get

  • SKILL.md: shared-state contract and dispatch choice
  • references/state-contract.md: keys that propagate and keys lost on return
  • references/testing-subgraphs.md: testing each subgraph

Good fit for

  • You build a planner agent that delegates to an executor
  • You want to reuse one subgraph across several agents

Not for

    Tags

    • langgraph
    • subgraphs
    • agents

    About

    You say

    “Split my agent into a planner and an executor, as LangGraph subgraphs.”

    Card for the “LangGraph subgraphs in Python” 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 compose LangGraph subgraphs without losing state
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.6 KB
    • references/callback-scoping.md6 KB
    • references/dispatch-patterns.md7.2 KB
    • references/one-pager.md3.2 KB
    • references/state-contract.md5.4 KB
    • references/testing-subgraphs.md7.4 KB
    • SKILL.md16.6 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-subgraphs
    Licence
    MIT

    Notice

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

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