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Fresh JavaScript

A JavaScript execution server based on the MCP protocol, supporting code execution, REPL sessions, and TypeScript transpilation
Developer toolsArtificial intelligence chatbots#JS Execution#REPL Service#MCP Tool#TS Support Local.TypeScript
2 points
8.5K
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Overview

Content Details

Alternatives

What is the JavaScript MCP Server?

The JavaScript MCP Server is a tool based on the Model Context Protocol (MCP) that allows AI models to achieve dynamic interaction by running JavaScript or TypeScript code. It supports one-time script execution, persistent REPL session management, npm package import, and named pipe communication.

How to use the JavaScript MCP Server?

Simply install and start the server, then you can execute JavaScript code through the command line or API calls. It supports standard mode, interactive REPL mode, and named pipe mode.

Applicable Scenarios

Suitable for application scenarios that require dynamic execution of JavaScript code, such as automation tasks, data analysis, and prototype development.

Main Features

JavaScript Execution
Supports running JavaScript code once and quickly obtaining results.
REPL Session Management
Create persistent REPL sessions to facilitate state preservation during multiple interactions.
TypeScript Support
Automatically transpiles TypeScript code into JavaScript and then executes it.
npm Package Integration
Allows direct import and use of npm packages without manual configuration.
Named Pipe Interface
Efficiently communicates with external processes through named pipes.
Multi-Mode Operation
Provides standard mode, interactive mode, and named pipe mode for selection.
Advantages
Supports multiple programming languages (JavaScript and TypeScript)
Built-in npm package management function simplifies dependency introduction
Supports persistent REPL sessions to improve development efficiency
Flexible operation modes adapt to different needs
Easy to expand and integrate into existing systems
Limitations
May require additional optimization for high-concurrency scenarios
Some advanced features may require familiarity with the MCP protocol
Initial configuration may require a certain learning cost

How to Use

Clone the Project Repository
Use Git to clone the server code.
Install Dependencies
Install the Node.js modules required by the project.
Build the Project
Compile the project code to prepare for running.
Start the Server
Start the server in standard mode.

Usage Examples

Example 1: Execute a Simple Script
Run a simple JavaScript code.
Example 2: Create a REPL Session
Create a persistent REPL session and run multiple commands in it.

Frequently Asked Questions

How to install the JavaScript MCP Server?
Does it support TypeScript?
How to exit the interactive REPL mode?

Related Resources

GitHub Repository
The official GitHub repository, containing the complete code and documentation.
Project Documentation
Detailed project description and usage guide.
Example Code
Contains multiple practical usage examples.

Installation

Copy the following command to your Client for configuration
Note: Your key is sensitive information, do not share it with anyone.

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