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J

Just

Verified Integration
Author: @PromptExecution•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#Automation

Client Configuration

— Connect Just to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "just-1": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-just-1"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Integrates the Just command runner with AI assistants, enabling discovery, execution, and introspection of Justfile recipes via the Model Context Protocol.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Just

It provides a context-saving abstraction for LLMs, eliminates the Justfile learning curve, offers significantly safer execution than raw bash, and is an ultra-low overhead, human-friendly tool perfect for various agent execution scenarios.

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