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JavaScript Executor

Verified Integration
Author: @memori-ai•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

Client Configuration

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

System Overview

Executes JavaScript code securely within an isolated environment to perform data analysis on various formats including JSON, CSV, and TSV.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for JavaScript Executor

It supports JSON, CSV, TSV, and pipe-separated data. The tool automatically detects the data format and delimiter from the content, converting all tabular data into JavaScript arrays of objects for easy manipulation.

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