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LangGraph code review: state and edges v1.0.0

Use this resource to review a LangGraph graph for state and edge bugs

New

  • 599 downloads
  • 105 likes
  • 172 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install langgraph-graph-review

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 quotes the relevant code before any finding, then checks common error categories: direct state mutation, list fields without a reducer, invalid conditional edge returns and async patterns. You get findings grounded in the code it read, with a correct example for each case.

Mostly picked by

Updated November 2, 2026

Card for the “LangGraph code review: state and edges” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: critical errors (state mutation, reducers, conditional edges)
  • SKILL.md: review gates and anti-confabulation check before any finding

Good fit for

  • Your LangGraph agent uses StateGraph, nodes and edges
  • A list in graph state overwrites instead of accumulating

Not for

    Tags

    • langgraph
    • state graph
    • agents
    • review

    About

    You say

    “Review the StateGraph of my support agent: the list values seem to overwrite each other.”

    Card for the “LangGraph code review: state and edges” skill

    Skill published by existential-birds under the Apache-2.0 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 review a LangGraph graph for state and edge bugs
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE10.7 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md11 KB

    Origin and licence

    Listed unmodified

    Author
    existential-birds
    Source
    github.com/existential-birds/beagle/tree/d1a74899fbfec74974d1818e4cac7c3d54d44b65/plugins/beagle-ai/skills/langgraph-code-review
    Licence
    Apache-2.0

    Notice

    « langgraph-code-review » (existential-birds, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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