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LangGraph Client

Verified Integration
Author: @BrianCusack•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#Filesystem#AI#GitHub#Node.js#Docker#PostgreSQL

Client Configuration

— Connect LangGraph Client to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "langgraph-client": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-langgraph-client"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Implements LangGraph to interact with a PostgreSQL database via an MCP server.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for LangGraph Client

MCP (Model Context Protocol) standardizes how applications provide context to LLMs, enabling seamless integration of AI models with various data sources and tools, like a USB-C port for AI applications.

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