langgraph-code-review

Review LangGraph Python code for state schema and graph structure issues.

Updated Feb 17, 2026
One-click install
npx skills add https://github.com/javierhbr/random-poc --skill langgraph-code-review-javierhbr
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: langgraph-code-review
Source: https://github.com/javierhbr/random-poc/tree/main/custom-skills/beagle-main/plugins/beagle-ai/skills/langgraph-code-review
Command: npx skills add https://github.com/javierhbr/random-poc --skill langgraph-code-review-javierhbr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill identifies and helps fix common bugs, anti-patterns, and areas for improvement in LangGraph code, ensuring more robust and efficient graph implementations.

Core Features & Use Cases

  • Bug Detection: Catches critical issues like state mutation, incorrect edge returns, and missing checkpointers.
  • Best Practice Enforcement: Highlights state schema problems, graph structure flaws, and async/tool integration mistakes.
  • Use Case: Before deploying a complex agent using LangGraph, run this Skill to automatically audit the code for potential runtime errors and adherence to LangGraph best practices.

Quick Start

Use the langgraph-code-review skill to analyze the provided Python script for LangGraph code quality issues.

Frequently Asked Questions about langgraph-code-review

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check my LangGraph code for state mutation and graph structure bugs?

To check your LangGraph code for state mutation and graph structure bugs, use a code review skill to automatically audit Python scripts for incorrect edge returns and missing checkpointers. This identifies anti-patterns before runtime.

What are common LangGraph anti-patterns related to async tool integration?

Common LangGraph anti-patterns related to async tool integration include incorrect asynchronous execution and flawed tool integration. A code review skill detects these mistakes by auditing scripts against state management and node execution patterns.

Can I automatically audit my Python agent's LangGraph state schema problems?

Yes, you can automatically audit your Python agent's LangGraph state schema problems by running a code review skill. It evaluates Python scripts against checkpointing patterns to highlight schema flaws and ensure robust graph implementations.

Why does my LangGraph agent fail during node execution despite passing syntax checks?

Your LangGraph agent might fail during node execution due to critical state mutation issues or missing checkpointers that standard syntax checks miss. A code review skill identifies these structural flaws by analyzing graph construction.

Does the langgraph-code-review skill work with any Python agentic application?

The langgraph-code-review skill works with Python agentic applications using LangGraph for complex stateful computations. It requires adherence to LangGraph's state management, node execution, and checkpointing patterns to effectively audit the code.

What is the best way to enforce LangGraph best practices for complex stateful computations?

The best way to enforce LangGraph best practices for complex stateful computations is to run an automated code audit. This reviews the Python script for graph structure flaws and async integration mistakes before deploying complex agents.